IBM EM78P809N manual Summary of the Initialized Values for Registers, Address Name Reset Type Bit

Page 53

EM78P809N

8-Bit Microcontroller

Table 6. Summary of the Initialized Values for Registers

Address

 

Name

 

Reset Type

 

Bit 7

 

Bit 6

 

Bit 5

 

Bit 4

 

Bit 3

 

Bit 2

 

Bit 1

 

Bit 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit Name

 

C67

 

C66

 

C65

 

C64

 

C63

 

C62

 

C61

 

C60

0x06

 

IOC6

 

Power-On

 

1

1

 

1

 

1

 

1

 

1

 

1

 

1

 

 

 

 

/RESET and WDT time out

 

1

1

 

1

 

1

 

1

 

1

 

1

 

1

 

 

 

 

Wake-Up from SLEEP, IDLE mode

 

P

 

P

 

P

 

P

 

P

 

P

 

P

 

P

 

 

 

 

Bit Name

 

X

 

X

 

X

 

X

 

C73

 

C72

 

C71

 

C70

0x07

 

IOC7

 

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

 

X

 

X

 

C81

 

C80

0x08

 

IOC8

 

Power-on

 

U

 

U

 

U

 

U

 

U

 

U

 

1

 

1

 

 

/RESET and WDT time out

 

U

 

U

 

U

 

U

 

U

 

U

 

1

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Wake-Up from SLEEP, IDLE mode

 

U

 

U

 

U

 

U

 

U

 

U

 

P

 

P

 

 

 

 

Bit Name

 

C97

 

C96

 

C95

 

C94

 

C93

 

C92

 

C91

 

C90

0x09

 

IOC9

 

Power-On

1

1

 

1

 

1

1

1

 

1

 

1

 

 

/RESET and WDT time out

1

1

 

1

 

1

1

1

 

1

 

1

 

 

 

 

 

 

 

 

 

 

 

 

Wake-Up from SLEEP, IDLE mode

 

P

 

P

 

P

 

P

 

P

 

P

 

P

 

P

 

 

 

 

Bit Name

 

INT1NR

 

INT0EN

 

X

 

INT3ES1

 

INT3ES0

 

X

 

INT1ES

 

TC2ES

0x0B

 

INTCR

 

Power-On

0

0

 

0

 

0

0

0

 

0

 

0

 

 

/RESET and WDT time out

0

0

 

0

 

0

0

0

 

0

 

0

 

 

 

 

 

 

 

 

 

 

 

 

Wake-Up from SLEEP, IDLE mode

 

P

 

P

 

P

 

P

 

P

 

P

 

P

 

P

 

 

 

 

Bit Name

 

CALI

 

SIGN

 

VOF2

 

VOF1

 

VOF0

 

X

 

X

 

X

0x0C

 

ADOSC

Power-on

0

0

 

0

 

0

0

 

U

 

U

 

U

 

R

 

/RESET and WDT time out

0

 

P

 

P

 

P

 

P

 

U

 

U

 

U

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Wake-Up from SLEEP, IDLE mode

0

 

P

 

P

 

P

 

P

 

U

 

U

 

U

 

 

 

 

Bit Name

 

EXIE5

 

TCIE2

 

ADIE

 

X

 

EXIE3

 

TCIE4

 

SPIE

 

TCIE3

0x0E

 

IMR1

 

Power-on

0

0

 

0

 

U

0

0

 

0

 

0

 

 

/RESET and WDT time out

0

0

 

0

 

U

0

0

 

0

 

0

 

 

 

 

 

 

 

 

 

 

 

 

Wake-Up from SLEEP, IDLE mode

 

P

 

P

 

P

 

U

 

P

 

P

 

P

 

P

 

 

 

 

Bit Name

 

X

 

UERRIE

 

URIE

 

UTIE

 

TBIE

 

EXIE1

 

X

 

TCIE0

0x0F

 

IMR2

 

Power-on

 

U

0

 

0

 

0

0

0

 

U

 

0

 

 

/RESET and WDT time out

 

U

0

 

0

 

0

0

0

 

U

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

Wake-Up from SLEEP, IDLE mode

 

U

 

P

 

P

 

P

 

P

 

P

 

U

 

P

 

 

 

 

Bit Name

 

WDT0

 

/INT

 

WDTP1

WDTP0

 

WDTE

 

PSR2

 

PSR1

 

PSR0

N/A

 

CONT

 

Power-on

0

0

 

0

 

0

0

0

 

0

 

0

 

 

/RESET and WDT time out

0

0

 

0

 

0

0

0

 

0

 

0

 

 

 

 

 

 

 

 

 

 

 

 

Wake-Up from SLEEP, IDLE mode

 

P

 

P

 

P

 

P

 

P

 

P

 

P

 

P

 

 

 

 

Bit Name

-

-

 

-

 

-

-

-

 

-

 

-

0x00

 

R0

 

Power-on

 

U

 

U

 

U

 

U

 

U

 

U

 

U

 

U

 

 

/RESET and WDT time out

 

P

 

P

 

P

 

P

 

P

 

P

 

P

 

P

 

(IAR)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Wake-Up from SLEEP, IDLE mode

 

P

 

P

 

P

 

P

 

P

 

P

 

P

 

P

 

 

 

 

Bit Name

 

-

 

-

 

-

 

-

 

-

 

-

 

-

 

-

0x01

 

R1

 

Power-on

0

0

 

0

 

0

0

0

 

0

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(TCC)

 

/RESET and WDT time out

0

0

 

0

 

0

0

0

 

0

 

0

 

 

 

 

 

 

 

 

 

 

 

Wake-Up from SLEEP, IDLE mode

 

P

 

P

 

P

 

P

 

P

 

P

 

P

 

P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit Name

 

-

 

-

 

-

 

-

 

-

 

-

 

-

 

-

0x02

 

R2

 

Power-on

0

0

 

0

 

0

 

0

 

0

 

0

 

0

 

(PC)

 

/RESET and WDT time out

0

0

 

0

 

0

 

0

 

0

 

0

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

Wake-Up from SLEEP, IDLE mode

 

 

 

Jump to interrupt vector or execute next instruction

 

 

 

 

 

 

Bit Name

 

RBS1

 

RBS0

 

X

 

T

 

P

 

Z

 

DC

 

C

0x03

 

R3

 

Power-on

0

0

 

0

 

1

 

1

 

U

 

U

 

U

 

(SR)

 

/RESET and WDT time out

0

0

 

0

 

t

 

t

 

P

 

P

 

P

 

 

 

 

 

 

 

 

 

 

 

 

 

Wake-Up from SLEEP, IDLE mode

 

P

 

P

 

P

 

t

 

t

 

P

 

P

 

P

 

 

R4

 

Bit Name

 

GRBS1

 

GRBS0

 

RSR5

 

RSR4

 

RSR3

 

RSR2

 

RSR1

 

RSR0

0x04

 

 

Power-On

0

0

 

U

 

U

 

U

 

U

 

U

 

U

 

(RSR)

 

/RESET and WDT time out

0

0

 

P

 

P

 

P

 

P

 

P

 

P

 

 

 

 

 

 

 

 

 

 

 

 

 

Wake-Up from SLEEP, IDLE mode

 

P

 

P

 

P

 

P

 

P

 

P

 

P

 

P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Product Specification (V1.0) 07.26.2005

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• 49

(This specification is subject to change without further notice)

Page 52 Page 54
Image 53
Page 52 Page 54
Contents DOC. Version EM78P809NElan Microelectronics Corporation Contents Specification Revision History Bit Microcontroller CPU„ General purpose ApplicationsPin Assignment OTP Programming Pins Function Description Functional Block DiagramTbktc Operating RegistersR2/PC − Program Counter & Stack Address 02h R1/TCC − Time Clock /Counter Address 01hBit 7 ~ Bit 6 RBS1 ~ RBS0 R-Register page select R3/SR − Status Register Address 03hBit 5 Not used RBS1 RBS0General Purpose Register Bank Address 20H ~ 3FH Bit 0 C Carry flag R4/RSR − RAM Select Register Address 04hGRBS1 GRBS0 PORT6 − Port 6 I/O Data Register Address 06h SIS = 0 Idle mode SIS = 1 Sleep modePORT7 Port 7 I/O Data Register Address 07h PORT8 − Port 8 I/O Data Register Address 08hTC4S = 1 Start TC4CR Timer/Counter 4 Control Register Address 0BhTC4FF1 TC4FF0 TC4CK2 TC4CK1 TC4CK0ISFR1 − Interrupt Status Flag Register 1 Address 0Eh Bit Microcontroller TC4D − Timer 4 Data Buffer Address 0ChTC3CAP = Bit 7 TC3CAP Software capture controlTC3S = 1 Start TC3CAP TC3S TC3CK1 TC3CK0 TC3MTC2M = 1 Window mode TC3DB − Timer 3 Data Buffer B Address 07hBit 7 ~ Bit 6 ADD1 ~ ADD0 AD low 2-bit data buffer TC2S = 1 StartAdcr − AD Control Register Address 0Bh TC2DH − Timer 2 Data Buffer High Byte Address 09hTC2DL − Timer 2 Data Buffer Low Byte Address 0Ah Bit 7 ~ Bit 0 ADE7 ~ ADE0 AD input pin enable control Bit 3 ADP AD power controlAdic − AD Input Pin Control Address 0Ch Addh − AD High 8-bit Data Buffer Address 0DhTEN = 0 Disable TEN = 1 Enable Bit 7 TEN Keytone enable controlBit 3 Tbten Time Base Timer Enable Control Bit Microcontroller Tbktc − TBT/Keytone Control Address 0EhUinven = 0 Disable TXD and RXD port inverse output Bit 3 Uinven Enable Uart TXD and RXD port inverse outputUinven = 1 Enable TXD and RXD port inverse output Bit 4 ~ Bit 2 BRATE2 ~ BRATE1 Transmit Baud Rate SelectEven = 0 Odd parity Even = 1 Even parity Bit 5 PRE Enable parity additionBit Microcontroller URS − Uart Status Register Address 07h EDS = 0 Rising edge EDS = 1 Falling edge Bit 2 EDS Data shift out edge selectSMP Dcol BRS2 BRS1 EDS Dord WBESPIC2 − SPI Control Register 2 Address 06h Transfer ModeSpid SPI Data Buffer Address 07h SPID7 SPID6 SPID5 SPID4 SPID3 SPID2 SPID1 SPID0PLC1 Pull Low Control Register 1 Address 0Bh PLE7x = 1 Disable P7x pull lowPHC2 − Pull High Control Register 2 Address 0Ch PLC2 − Pull Low Control 2 Address 0DhAccumulator Special Purpose RegistersControl Register Bit 7 Wdto WDT output selectIntcr − INT Control Register Address 0Bh Bit Microcontroller IOC6 ~ IOC9 − I/O Port Control RegisterBit 2 Reserved INT1ES = 0 Rising edge INT1ES = 1 Falling edgeExternal Interrupt INT Pin Secondary Enable Condition Function PinAdoscr − AD Offset Control Register Address 0Ch EdgeUerrie Urie Utie Tbie EXIE1 TCIE0 IMR2 − Interrupt Mask Register 2 Address 0FhRegisters for CPU operation mode CPU Operation ModeRbank Register Bank bits 7, 6 of R3, R/W Read/Write RbankNormal Mode Switching ControlOperation Mode Registers for AD Converter Circuit AD Converter→ Don’t care → Interrupt request flag will be recorded Conversion Time ADC Data RegisterSampling Time Max. Frequency Max. Conversion Rate per Bit Time Base Timer and Keytone GeneratorADCK10 Tone Output Pin Timing Chart Rbank Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit Uart Universal Asynchronous Receiver/TransmitterRegisters for Uart Circuit Data Format in Uart Uart ModeReceiving TransmittingRegisters for the SPI Circuit SPI Serial Peripheral InterfaceBaud Rate Generator Transfer Mode Shift Direction and Sample PhaseBit Transmit Mode Serial ClockBit Transmit/Receive Mode Bit Microcontroller Bit Receive ModeMultiple Device Connect /SS SCK pinRbank Address Name Bit 7 Bit 6 Bit Timer/CounterRegisters for Timer/Counter 2 Circuit Window Mode Timer ModeCounter Mode Registers for Timer/Counter 3 Circuit Window Mode Timing ChartConfiguration of Timer/Counter3 Capture modeTCIF4 Registers for Timer 4 CircuitTCR4 PDO ModeTC4 Interrupt PWM Mode12 TCC/WDT & Prescaler 13 I/O Ports Reset and Wake-upReset All interrupt Wake-up from Sleep ModeWake-up from Idle mode Summary of the Initialized Values for Registers Address Name Reset Type BitSCR Bit Microcontroller Register BankTC2D9 TC2D8 Register Bank Reset Type Previous value before resetStatus of RST, T, and P of Status Register Bit Microcontroller General Purpose RegistersInterrupt Controller Reset Block DiagramOscillator Modes OscillatorCrystal Oscillator/Ceramic Resonators Crystal Summary of Maximum Operating SpeedsEM78P809N Oscillator Type Frequency Mode C1 pF C2 pFExt. Clock 740Crystal/Resonator-Parallel Mode Circuit External RC Oscillator ModeCode Option Register Enwdtb = 0 Enable Enwdtb = 1 DisableCode Option Register Word For design reference onlyExternal Power-on Reset Circuit Power-on ConsiderationsCustomer ID Register Cyes = 0 One cycle Cyes = 1 Two cyclesVdd Residue-Voltage ProtectionEM78P809N Rin Vdd EM78P809NVdd 40KR2 Instruction SetDEC Binary Instruction Hex Mnemonic Operation Status AffectedAbsolute Maximum Ratings Symbol Parameter Condition Min Typ Max UnitRecommended Operating Conditions Vss =Typical value is based on characterization results at 25C DC Electrical CharacteristicsTa= 25 C, VDD= 5.0V ± 5%, VSS= Ta= 25 C, VDD= 3.0V ± 5%, VSS= Varef Symbol Parameter Conditions Min Typ Max Unit AC Electrical CharacteristicTa=- 40C ~ 85 C, VDD=5V ± 5%, VSS=0V = selected prescaler ratioAC Test Input/Output Waveform Timing DiagramPin Count Package Size Package TypesOTP MCU Contents III EM78P809N
Top Page Image Contents