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IBM EM78P312N manual Bit Microcontroller Register Bank, Address, Name, Reset Type

Models: EM78P312N

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Register Bank 3

EM78P312N

8-Bit Microcontroller

Register Bank 2

Address

Name

Reset Type

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Bit Name

URTD8

UMODE1

UMODE0

BRATE2

BRATE1

BRATE0

UTBE

TXE

0x05

URC1

Power-on

U

0

0

0

0

0

0

0

/RESET and WDT time out

P

P

P

P

P

P

0

0

Wake-up from Sleep, Idle mode

P

0

P

P

P

P

P

0

Bit Name

X

X

SBIM1

SBIM0

UINVEN

X

X

X

0x06

URC2

Power-on

U

U

0

0

0

U

U

U

/RESET and WDT time out

U

U

P

P

P

U

U

U

Wake-up from Sleep, Idle mode

U

U

P

P

P

U

U

U

Bit Name

URRD8

EVEN

PRE

PRERR

OVERR

FMERR

URBF

RXE

0x07

URS

Power-on

U

0

0

0

0

0

0

0

/RESET and WDT time out

P

P

P

0

0

0

0

0

Wake-up from Sleep, Idle mode

P

P

P

P

P

P

P

0

Bit Name

URRD7

URRD6

URRD5

URRD4

URRD3

URRD2

URRD1

URRD0

0x08

URRD

Power-on

U

U

U

U

U

U

U

U

/RESET and WDT time out

P

P

P

P

P

P

P

P

Wake-up from Sleep, Idle mode

P

P

P

P

P

P

P

P

Bit Name

URTD 7

URTD 6

URTD 5

URTD 4

URTD 3

URTD 2

URTD 1

URTD0

0x09

URTD

Power-on

U

U

U

U

U

U

U

U

/RESET and WDT time out

P

P

P

P

P

P

P

P

Wake-up from Sleep, Idle mode

P

P

P

P

P

P

P

P

Register Bank 3

Address

Name

Reset Type

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Bit Name

SMP

DCOL

BRS2

BRS1

BRS0

EDS

DORD

WBE

0x05

SPIC1

Power-on

0

0

0

0

0

0

0

0

/RESET and WDT time out

P

P

P

P

P

P

P

0

Wake-up from Sleep, Idle mode

P

P

P

P

P

P

P

P

Bit Name

SPIS

X

X

X

X

SPIM1

SPIM0

RBF

0x06

SPIC2

Power-on

0

0

0

0

0

0

0

0

/RESET and WDT time out

0

0

0

0

0

P

P

0

Wake-up from Sleep, Idle mode

0

P

P

P

P

P

P

P

Bit Name

SPID17

SPID16

SPID15

SPID14

SPID13

SPID12

SPID11

SPID10

0x07

SPID1

Power-on

U

U

U

U

U

U

U

U

/RESET and WDT time out

P

P

P

P

P

P

P

P

Wake-up from Sleep, Idle mode

P

P

P

P

P

P

P

P

Bit Name

X

X

/PHE81

/PHE80

/PHE63

/PHE62

/PHE61

/PHE60

0x0A

PHC1

Power-on

U

U

1

1

1

1

1

1

/RESET and WDT time out

U

U

1

1

1

1

1

1

Wake-up from Sleep, Idle mode

U

U

P

P

P

P

P

P

Bit Name

X

X

/PLE81

/PLE80

/PLE63

/PLE62

/PLE61

/PLE60

0x0B

PLC2

Power-on

U

U

1

1

1

1

1

1

/RESET and WDT time out

U

U

1

1

1

1

1

1

Wake-up from Sleep, Idle mode

U

U

P

P

P

P

P

P

Bit Name

X

X

X

X

/PHE73

/PHE72

/PHE71

/PHE70

0x0C

PHC2

Power-on

U

U

U

U

1

1

1

1

/RESET and WDT time out

U

U

U

U

1

1

1

1

Wake-up from Sleep, Idle mode

U

U

U

U

P

P

P

P

Bit Name

X

X

X

X

/PLE73

/PLE72

/PLE71

/PLE70

0x0D

PLC2

Power-on

U

U

U

U

1

1

1

1

/RESET and WDT time out

U

U

U

U

1

1

1

1

Wake-up from Sleep, Idle mode

U

U

U

U

P

P

P

P

Product Specification (V1.0) 10.03.2006

• 47

(This specification is subject to change without further notice)

Image 51

IBM EM78P312N manual Bit Microcontroller Register Bank, Address, Name, Reset Type

Contents

ELAN MICROELECTRONICS CORP Green Product SpecificationEM78P312N 8-BIT MicrocontrollerELAN MICROELECTRONICS CORPORATION Copyright 2006 by ELAN Microelectronics CorporationAll Rights Reserved Pin Assignment ContentsFeatures General DescriptionAPPENDIX Specification Revision HistoryEM78P312N 2 Features1 General Description Pin Assignment8-Bit Microcontroller Pin DescriptionSymbol EM78P312NThis specification is subject to change without further notice 5.1 Functional Block Diagram5 Function Description Fig. 5-1 Functional Block Diagram8-Bit Microcontroller 5.2 Operating RegistersThis specification is subject to change without further notice EM78P312NR2 Program Counter & Stack EM78P312N8-Bit Microcontroller R0 Indirect Addressing Register R1 Time Clock /CounterR3 Status Register EM78P312N8-Bit Microcontroller User Memory SpaceR5 System Control Register EM78P312N8-Bit Microcontroller Bit 0 C Carry flag R4 RAM Select Register8-Bit Microcontroller R6 Port 6 I/O Data Register RB Timer/Counter 4 Control RegisterBit 7 ~ Bit 6 TC4FF1 ~ TC4FF0 Timer/Counter 4 flip-flop control EM78P312N8-Bit Microcontroller Bit 4 ~ Bit 2 TC4CK2 ~ TC4CK 0 Timer/Counter 4 Clock Source SelectRC Timer 4 Data Buffer EM78P312NEM78P312N 8-Bit Microcontroller RE Interrupt Status Flag RegisterRFInterrupt Status Flag Register Bank 1 R7 TC3DB Timer 3 Data Buffer B Bank 1 R5 TC3CR Timer/Counter 3 Control RegisterBit 5 ~ Bit 4 TC3CK1 ~ TC3CK0 Timer/Counter 3 Clock Source Select TC3M = “1” Capture mode Bank 1 R6 TC3DA Timer 3 Data Buffer ATC2M Timer/Counter 2 mode select Bit 2 ~ Bit 0 TC2CK2 ~ TC2CK0 Timer/Counter 2 Clock Source SelectBank 1 R9 TC2DH Timer 2 Data Buffer High Byte Bank 1 RA TC2DL Timer 2 Data Buffer Low Byte8-Bit Microcontroller ADP = “0” Power on ADP = “1” Power downBit 7 ~ Bit 0 ADE7 ~ ADE0 AD input pin enable control EM78P312NEM78P312N TEN = “0” Disable TEN = “1” EnableTBTEN = “0” Disable TBTEN = “1” Enable Bit 2 ~ Bit 0 TBTCK2 ~ TBTCK0 Time Base Timer Clock Source SelectBit 4 ~ Bit 2 BRATE2 ~ BRATE1 Transmit Baud Rate Select TXE = “0” Disable TXE = “1” EnableEM78P312N 8-Bit Microcontroller8-Bit Microcontroller PRE = “0” Disable PRE = “1” Enable Bit 4 PRERR Parity error flagBit 0 RXE Enable receiving RXE = “0” Disable RXE = “1” Enable EM78P312NEDS = “0” Rising edge EDS = “1” Falling edge EM78P312N8-Bit Microcontroller Bit 5 ~ Bit 3 BRS0 ~ BRS2 SPI Clock Source SelectBank EM78P312N8-Bit Microcontroller Bit 2 ~ Bit 1 SPIM1 ~ SPIM0 SPI Transfer Mode SelectWDTE = “0” Disable WDTE = “1” Enable 5.3 Special Purpose RegistersPHE7x = “0” Enable P7x pull high PHE7x = “1” Disable P7x pull highIOC6 ~ IOC9 − I/O Port Control Register Bit 6 INT0EN INT0 enable control INT0EN = “0” General I/OEM78P312N 8-Bit Microcontroller Bit 2 PSR2 ~ Bit 0 PSR0 TCC prescaler bitsBit 5 ~ Bit 3 VOF2 ~ VOF0 Offset voltage bits EM78P312N8-Bit Microcontroller ADOSCR − AD Offset Control Register Address 0ChIMR2 − Interrupt Mask Register 2 Address 0Fh Bit 1 SPIE SPI Interrupt enable bitEM78P312N 8-Bit Microcontroller5.4 CPU Operation Mode EM78P312N8-Bit Microcontroller Table 4. Wake-up Methods 5.5 AD ConverterEM78P312N 8-Bit MicrocontrollerA/D Sampling Time EM78P312N8-Bit Microcontroller ADC Data RegisterEM78P312N 5.6 Time Base Timer and Keytone GeneratorFig. 5-6 Tone Output Pin Configuration Fig. 5-7 Tone Output Pin Timing Chart8-Bit Microcontroller Fig. 5-8 TBT ConfigurationFig. 5-9 Time Base Timer Timing Chart EM78P312N8-Bit Microcontroller 5.7 UART Universal Asynchronous Receiver/TransmitterFig. 5-10 Function Block Diagram EM78P312N8-Bit Microcontroller 5.7.1 UART Mode5.7.2 Transmitting EM78P312N8-Bit Microcontroller 5.7.3 Receiving5.7.4 Baud Rate Generator EM78P312NEM78P312N 5.8 SPI Serial Peripheral InterfaceFig. 5-13 SPI Block Diagram This specification is subject to change without further noticeEM78P312N 5.8.2 Shift Direction and Sample Phase5.8.1 Serial Clock 5.8.3 Transfer ModeEM78P312N 8-Bit Microcontroller b 8-bit Receive Modec 8-bit Transmit/Receive Mode SCK pin EM78P312N8-Bit Microcontroller d Multiple Device Connect /SSEM78P312N 5.9 Timer/CounterRegisters for Timer/Counter 2 Circuit Fig. 5-18 Configuration of Timer/CounterEM78P312N 5.9.1 Timer Mode5.9.2 Counter Mode 5.9.3 Window ModeEM78P312N 5.10 Timer/CounterRegisters for Timer/Counter 3 Circuit Fig. 5-21 Window Mode Timing ChartEM78P312N 5.10.1 Timer Mode5.10.2 Counter Mode 5.10.3 Capture Mode5.11 Timer/Counter EM78P312N8-Bit Microcontroller EM78P312N 5.11.1 Timer Mode5.11.2 Counter Mode 5.11.3 PDO Mode8-Bit Microcontroller 5.12 TCC/WDT & Prescaler5.11.4 PWM Mode EM78P312NEM78P312N 5.14 Reset and Wake-up5.14.1 Reset 5.13 I/O Ports8-Bit Microcontroller 5.14.2 Wake-up from Sleep Mode5.14.3 Wake-up from Idle Mode EM78P312N8-Bit Microcontroller Reset TypeThis specification is subject to change without further notice EM78P312N8-Bit Microcontroller Register Bank Reset TypeThis specification is subject to change without further notice EM78P312N8-Bit Microcontroller Register Bank Reset TypeThis specification is subject to change without further notice EM78P312NEM78P312N Reset TypeReset Type This specification is subject to change without further notice5.14.4 The Status of RST, T, and P of the Status Register EM78P312N8-Bit Microcontroller General Purpose Registers 5.15 Interrupt EM78P312N8-Bit Microcontroller EM78P312N 5.16 Oscillator5.16.1 Oscillator Modes 5.16.2 Crystal Oscillator/Ceramic Resonators CrystalXTAL EM78P312N8-Bit Microcontroller OSCICrystal/Resonator-Parallel Mode Circuit 5.16.3 External RC Oscillator ModeEM78P312N 8-Bit MicrocontrollerEM78P312N 5.17 Code Option Register5.17.1 Code Option Register Word ENWDTB = “0” Enable ENWDTB = “1” DisableHLP = “0” Low power HLP = “1” High power 5.18 Power-on Considerations5.18.1 External Power-on Reset Circuit 5.17.2 Customer ID Register8-Bit Microcontroller 5.18.2 Residue-Voltage ProtectionRESET EM78P312N5.19 Instruction Set EM78P312N8-Bit Microcontroller 8-Bit Microcontroller EM78P312NEM78P312N 6 Absolute Maximum Ratings6.1 Absolute Maximum Ratings 6.2 Recommended Operating Conditions8-Bit Microcontroller 7 Electrical Characteristics7.1 DC Electrical Characteristics EM78P312NEM78P312N 8-Bit MicrocontrollerTa= 25 C, VDD= 3.0V ± 5%, VSS= 8-Bit Microcontroller EM78P312NTa=- 40C ~ 85 C, VDD=5V ± 5%, VSS=0V 7.2 AC Electrical CharacteristicEM78P312N 8-Bit MicrocontrollerEM78P312N 7.3 Timing DiagramRESET Timing CLK=0 This specification is subject to change without further noticeOTP MCU APPENDIX A Package TypesEM78P312N 8-Bit Microcontroller