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Epson S1C63558 5.1 Notes for Low Current Consumption, CHAPTER 5 SUMMARY OF NOTES, CPU, SVD circuit, FSK demodulator, CPU operating frequency

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CHAPTER 5: SUMMARY OF NOTES

CHAPTER 5 SUMMARY OF NOTES

5.1 Notes for Low Current Consumption

The S1C63558 contains control registers for each of the circuits so that current consumption can be reduced.

These control registers reduce the current consumption through programs that operate the circuits at the minimum levels.

The following lists the circuits that can control operation and their control registers. Refer to these when programming.

Table 5.1.1 Circuits and control registers

Circuit (and item)	Control register
CPU	HALT instruction
CPU operating frequency	CLKCHG, OSCC
LCD system voltage circuit	LPWR
SVD circuit	SVDON
FSK demodulator	FSKON

Refer to Chapter 7, "Electrical Characteristics" for current consumption.

Below are the circuit statuses at initial reset.

CPU: Operating status

CPU operating frequency: Low speed side (CLKCHG = "0")

OSC3 oscillation circuit is in OFF status (OSCC = "0")

LCD system voltage circuit: OFF status (LPWR = "0")

SVD circuit: OFF status (SVDON = "0")

FSK demodulator: OFF status (FSKON = "0")

Also, be careful about panel selection because the current consumption can differ by the order of several µA on account of the LCD panel characteristics.

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EPSON

S1C63558 TECHNICAL AMANUAL

Contents

Page NOTICE © SEIKO EPSON CORPORATION 2001, All rights reserved SEIKO EPSON CORPORATION Page Page The information of the product number change Configuration of product number Devices S1 C 63158 F 0A01 Packing specification Page OUTLINE Features Block Diagram Pin Layout Diagram Pin Description 4.6 I/O Ports (P00–P03, P10–P13, P20–P23and P30–P33) 4.7 LCD Driver (COM0–COM16, SEG0–SEG39) Clock Timer Stopwatch Timer 4.10 Programmable Timer SUMMARY OF NOTES 5.1 Notes for Low Current Consumption 5.2 Summary of Notes by Function Precautions on Mounting BASIC EXTERNAL WIRING DIAGRAM CHAPTER 8 PACKAGE Plastic Package Ceramic Package for Test Samples CHAPTER 9 PAD LAYOUT Diagram of Pad Layout CHAPTER 1 OUTLINE 1.1 Features 1.2 Block Diagram 1.3 Pin Layout Diagram 1.4 Pin Description 1.5 Mask Option (8)Output specification of the DP terminal (9)Gain of FSK demodulator input amplifier (10)Output specification of other special output terminals <Mask option list 1.MULTIPLE KEY ENTRY RESET COMBINATION 5. I/O PORT OUTPUT SPECIFICATION 6. I/O PORT PULL UP RESISTOR 7. DP PORT OUTPUT SPECIFICATION 8.SVD EXTERNAL VOLTAGE DETECTION 9.LCD DRIVER SPECIFICATION 2.1 Power Supply 2.1.1 Voltage <VD1> for oscillation circuit and internal circuits 2.1.2 Voltage <VC1–VC5>for LCD driving 2.2 Initial Reset 2.2.1 Reset terminal (RESET) 2.2.2 Simultaneous low input to terminals K00–K03 2.2.3 Internal register at initial resetting 2.2.4 Terminal settings at initial resetting 2.3 Test Terminal (TEST) CHAPTER 3 CPU, ROM, RAM 3.1 CPU 3.2 Code ROM 3.3 RAM 3.4 Data ROM CHAPTER 4 PERIPHERAL CIRCUITS AND OPERATION 4.1 Memory Map Table 4.1.1 (a) I/O memory map (FF00H–FF18H) Remarks ∗ 1 Initial value at initial reset Constantly "0" when being read ∗ 2 Not set in the circuit Table 4.1.1 (b) I/O memory map (FF20H–FF42H) Table 4.1.1 (c) I/O memory map (FF44H–FF4DH) Table 4.1.1 (d) I/O memory map (FF4EH–FF67H) Table 4.1.1 (e) I/O memory map (FF6CH–FF7AH) ransmit/receive data Table 4.1.1 (f) I/O memory map (FF7CH–FFCBH) Table 4.1.1 (g) I/O memory map (FFE2H–FFF7H) Table 4.1.1 (h) I/O memory map (FFF8H–FFFAH) 4.2 Watchdog Timer 4.2.1 Configuration of watchdog timer 4.2.2 Interrupt function 4.2.3 I/O memory of watchdog timer 4.2.4 Programming notes 4.3 Oscillation Circuit 4.3.1 Configuration of oscillation circuit 4.3.2 OSC1 oscillation circuit 4.3.3 OSC3 oscillation circuit 4.3.4 Switching the CPU operating clock 4.3.5 Clock frequency and instruction execution time 4.3.6 I/O memory of oscillation circuit 4.3.7 Programming notes 4.4 Input Ports (K00–K03and K10–K13) 4.4.1 Configuration of input ports 4.4.2 Interrupt function 4.4.3 Mask option 4.4.4 I/O memory of input ports SIK00–SIK03:K0 port interrupt selection register (FF20H) SIK10–SIK13:K1 port interrupt selection register (FF24H) KCP00–KCP03:K0 port input comparison register (FF22H) KCP10–KCP13:K1 port input comparison register (FF26H) EIK0: K0 input interrupt mask register (FFE4H•D0) 4.4.5 Programming notes Output Ports 4.5.1 Configuration of output ports 4.5.2 Mask option 4.5.3 High impedance control 4.5.4 Special output •XBZ (R00) •BZ (R01) •TOUT (R02) •FOUT (R03) •XTMUTE (R10) •XRMUTE (R11) •HDO (R12) •HFO (R13) 4.5.5 I/O memory of output ports R00HIZ–R03HIZ:R0 port high impedance control register (FF30H) R10HIZ–R13HIZ:R1 port high impedance control register (FF32H) R20HIZ–R23HIZ:R2 port high impedance control register (FF34H) R00–R03:R0 output port data register (FF31H) R10–R13:R1 output port data register (FF33H) PTOUT: TOUT output control register (FFC1H•D2) FOUTE: FOUT output control register (FF06H•D3) FOFQ0, FOFQ1: FOUT frequency selection register (FF06H•D0, D1) CTMO: R10 output selection register (FF13H•D0) 4.5.6 Programming notes 4.6 I/O Ports (P00–P03, P10–P13, P20–P23and P30–P33) 4.6.1 Configuration of I/O ports 4.6.2 Mask option 4.6.3 I/O control registers and input/output mode 4.6.4 Pull-upduring input mode 4.6.5 Special outputs (CL, FR) 4.6.6 I/O memory of I/O ports Table 4.6.6.1(b) Control bits of I/O ports (1) Selection of port function EXLCDC: Expanded LCD driver signal control register (FF61H•D3) Sets P22 and P23 to the CL signal and the FR signal output ports When "1" is written: CL/FR signal output ESIF: Serial interface (1) enable register (FF70H•D0) ESIFS: Serial interface (2) enable register (FF58H•D0) (2) I/O port control P00–P03:P0 I/O port data register (FF42H) P10–P13:P1 I/O port data register (FF46H) IOC00–IOC03:P0 port I/O control register (FF40H) IOC10–IOC13:P1 port I/O control register (FF44H) IOC20–IOC23:P2 port I/O control register (FF48H) IOC30–IOC33:P3 port I/O control register (FF4CH) PUL00–PUL03:P0 port pull-upcontrol register (FF41H) 4.6.7 Programming notes 4.7 LCD Driver (COM0–COM16, SEG0–SEG39) 4.7.1 Configuration of LCD driver 4.7.2 Mask option 4.7.3 Power supply for LCD driving 4.7.4 LCD display control (ON/OFF) and switching of duty (2)Switching of drive duty 4.7.5 Display memory Page 4.7.6 LCD contrast adjustment 4.7.7 I/O memory of LCD driver LPWR: LCD power control (ON/OFF) register (FF60H•D0) LDUTY0, LDUTY1: LCD drive duty switching register (FF60H•D2, D3) ALON: LCD all ON control register (FF61H•D1) ALOFF: LCD all OFF control register (FF61H•D2) 4.7.8 Programming notes 4.8 Clock Timer 4.8.1 Configuration of clock timer 4.8.2 Data reading and hold function 4.8.3 Interrupt function 4.8.4 I/O memory of clock timer 4.8.5 Programming notes 4.9 Stopwatch Timer 4.9.1 Configuration of stopwatch timer 4.9.2 Count-uppattern 4.9.3 Interrupt function 4.9.4 I/O memory of stopwatch timer 4.9.5 Programming notes 4.10 Programmable Timer 4.10.1 Configuration of programmable timer 4.10.2 Setting of initial value and counting down 4.10.3 Counter mode 4.10.4 Setting of input clock in timer mode 4.10.5 Interrupt function 4.10.6 Setting of TOUT output 4.10.7 Transfer rate setting for serial interface 4.10.8 I/O memory of programmable timer CKSEL0: Prescaler 0 source clock selection register (FFC1H•D0) CKSEL1: Prescaler 1 source clock selection register (FFC1H•D1) EVCNT: Timer 0 counter mode selection register (FFC0H•D2) FCSEL: Timer 0 function selection register (FFC0H•D1) PLPOL: Timer 0 pulse polarity selection register (FFC0H•D0) RLD00–RLD07:Timer 0 reload data register (FFC4H, FFC5H) RLD10–RLD17:Timer 1 reload data register (FFC6H, FFC7H) PTD00–PTD07:Timer 0 counter data (FFC8H, FFC9H) PTRST0: Timer 0 reset (reload) (FFC2H•D1) PTRST1: Timer 1 reset (reload) (FFC3H•D1) PTRUN0: Timer 0 RUN/STOP control register (FFC2H•D0) PTRUN1: Timer 1 RUN/STOP control register (FFC3H•D0) CHSEL: TOUT output channel selection register (FFC1H•D3) EIPT0: Timer 0 interrupt mask register (FFE2H•D0) EIPT1: Timer 1 interrupt mask register (FFE2H•D1) IPT0: Timer 0 interrupt factor flag (FFF2H•D0) IPT1: Timer 1 interrupt factor flag (FFF2H•D1) 4.10.9 Programming notes 4.11 Serial Interface 4.11.1 Configuration of serial interface 4.11.2 Mask option 4.11.3 Transfer modes Clock synchronous master mode Clock synchronous slave mode 7-bitasynchronous mode 8-bitasynchronous 8-bitmode 4.11.4 Clock source 4.11.5 Transmit-receivecontrol 4.11.6 Operation of clock synchronous transfer Data transmit procedure Data receive procedure Transmit/receive ready (SRDY) signal Timing chart 4.11.7 Operation of asynchronous transfer Page Page Receive error 4.11.8 Interrupt function Transmit completion interrupt Receive completion interrupt Error interrupt 4.11.9 I/O memory of serial interface Table 4.11.9.1(b) Serial interface control bits Sets P10–P13to the input/output port for the serial interface When "1" is written: Serial interface PUL10: Serial interface (1) SIN pull-upcontrol register (FF45H•D0) PUL12: Serial interface (1) SCLK pull-upcontrol register (FF45H•D2) PUL30: Serial interface (2) SIN pull-upcontrol register (FF4DH•D0) PUL32: Serial interface (2) SCLK pull-upcontrol register (FF4DH•D2) SMD0, SMD1: Serial interface (1) mode selection register (FF70H•D1, D2) EPR: Serial interface (1) parity enable register (FF71H•D3) EPRS: Serial interface (2) parity enable register (FF59H•D3) PMD: Serial interface (1) parity mode selection register (FF71H•D2) PMDS: Serial interface (2) parity mode selection register (FF59H•D2) TXEN: Serial interface (1) transmit enable register (FF72H•D0) RXEN: Serial interface (1) receive enable register (FF72H•D2) RXENS: Serial interface (2) receive enable register (FF5AH•D2) RXTRG: Serial interface (1) receive trigger/status (FF72H•D3) RXTRGS: Serial interface (2) receive trigger/status (FF5AH•D3) TRXD0–TRXD7:Serial interface (1) transmit/receive data (FF74H, FF75H) During receiving OER: Serial interface (1) overrun error flag (FF73H•D0) OERS: Serial interface (2) overrun error flag (FF5BH•D0) PER: Serial interface (1) parity error flag (FF73H•D1) PERS: Serial interface (2) parity error flag (FF5BH•D1) FER: Serial interface (1) framing error flag (FF73H•D2) FERS: Serial interface (2) framing error flag (FF5BH•D2) 4.11.10 Programming notes 4.12 Sound Generator 4.12.1 Configuration of sound generator 4.12.2 Buzzer output circuit 4.12.3 Control of buzzer output 4.12.4 Setting of buzzer frequency and sound level 4.12.5 Digital envelope 4.12.6 One-shotoutput 4.12.7 I/O memory of sound generator BZE: BZ output control register (FF6CH•D0) BZFQ0–BZFQ2:Buzzer frequency selection register (FF6EH•D0–D2) BDTY0–BDTY2:Duty level selection register (FF6FH•D0–D2) ENRST: Envelope reset (FF6CH•D2) ENON: Envelope ON/OFF control register (FF6CH•D1) ENRTM: Envelope releasing time selection register (FF6CH•D3) 4.12.8 Programming notes 4.13 SVD (Supply Voltage Detection) Circuit 4.13.1 Configuration of SVD circuit 4.13.2 Mask option 4.13.3 SVD operation 4.13.4 I/O memory of SVD circuit 4.13.5 Programming notes 4.14 Telephone Function (Tone/Pulse Dialer) 4.14.1 Configuration of tone/pulse dialer 4.14.2 Mask option 4.14.3 Operation of telephone function (2)Executing (3)Interrupt 4.14.4 Tone mode (DTMF) Page Page 4.14.5 Pulse mode (DP) Page Page 4.14.6 Pause Page 4.14.7 Flash 4.14.8 Hold-line 4.14.9 Interrupt 4.14.10 I/O memory of telephone function Page OSCC: OSC3 oscillation control (FF00H•D2) TPS: Tone/Pulse mode selection (FF10H•D3) MB: Make/Break ratio selection (FF10H•D1) DRS: Dialing pulse rate selection (FF10H•D0) PTS0–PTS3:Pause time selection (FF11H) FTS0–FTS3:Flash time selection (FF12H) HOLD: Hold-linefunction (FF14H•D2) PAUSE: Pause function (FF14H•D1) FLASH: Flash function (FF14H•D0) HF: Handfree (FF14H•D3) IDP0–IDP3: Inter-digitpause time selection (FF15H) SINR: DTMF row frequencies output enable (FF16H•D1) SINC: DTMF column frequencies output enable (FF16H•D0) TCD0–TCD3:Telephone code for dialing (FF17H) (1)Pulse mode (2)Tone mode CRMUT: Receive mute control (FF18H•D1) CTMUT: Transmit mute control (FF18H•D0) HSON: Hook switch ON/OFF (FF18H•D0) CTO: Continuous output tone selection (FF16H•D3) EID: Interrupt mask register (FFE9H•D0) 4.14.11 Programming notes 4.15 FSK Demodulator 4.15.1 Configuration of FSK demodulator Page 4.15.2 Mask option 4.15.3 Ring/carrier detection and interrupt 4.15.4 Inputting FSK data Page 4.15.5 I/O memory of FSK demodulator CDET: Carrier detection bit (FF66H•D0) RDETCP: RDET comparison register (FF67H•D1) CDETCP: CDET comparison register (FF67H•D0) EIRDET, EICDET: Interrupt mask registers (FFEAH•D1, D0) IRDET, ICDET: Interrupt factor flags (FFFAH•D1, D0) 4.15.6 Programming notes 4.16 Interrupt and HALT Fig. 4.16.1 Configuration of the interrupt circuit 4.16.1 Interrupt factor 4.16.2 Interrupt mask 4.16.3 Interrupt vector 4.16.4 I/O memory of interrupt Table 4.16.4.1(b) Control bits of interrupt (2) Refer to Section 4.14, "Telephone Function RDETCP, CDETCP: RDETP, CDET comparison registers (FF67H•D1, D0) Refer to Section 4.15, "FSK Demodulator EIPT1, EIPT0: Interrupt mask registers (FFE2H•D1, D0) 4.16.5 Programming notes 5.1 Notes for Low Current Consumption 5.2 Summary of Notes by Function Output port I/O port LCD driver Clock timer Stopwatch timer Serial interface (1), (2) Sound generator SVD circuit Telephone function FSK demodulator 5.3 Precautions on Mounting <Arrangement of Signal Lines <Precautions for Visible Radiation (when bare chip is mounted) CHAPTER 6 BASIC EXTERNAL WIRING DIAGRAM CHAPTER 7 ELECTRICAL CHARACTERISTICS Absolute Maximum Rating 7.2 Recommended Operating Conditions 7.3 DC Characteristics 7.4 Analog Circuit Characteristics and Power Current Consumption 7.5 Oscillation Characteristics 7.6 Serial Interface (1), (2) AC Characteristics 7.7 FSK Demodulator Characteristics 7.8 Telephone Function Characteristics 7.9 Timing Chart 7.10 Characteristic Curves (reference value) High level output current (SEGxx) Low level output current (SEGxx) CHAPTER 8 PACKAGE 8.1 Plastic Package 8.2 Ceramic Package for Test Samples CHAPTER 9 PAD LAYOUT 9.1 Diagram of Pad Layout Pad Coordinates EPSON ELECTRONICS AMERICA, INC - HEADQUARTERS - SALES OFFICES West Central “Saving” Technology Epson IS energy savings S1C63558 Technical Manual