Summary of the Initialized Values for Registers | IBM EM78P809N

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)

Image 53

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

Contents

DOC. Version EM78P809N Elan Microelectronics Corporation Contents Specification Revision History Bit Microcontroller CPU „ General purpose Applications Pin Assignment OTP Programming Pins Function Description Functional Block Diagram Tbktc Operating Registers R2/PC − Program Counter & Stack Address 02h R1/TCC − Time Clock /Counter Address 01h Bit 7 ~ Bit 6 RBS1 ~ RBS0 R-Register page select R3/SR − Status Register Address 03hBit 5 Not used RBS1 RBS0 General 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 08h TC4S = 1 Start TC4CR Timer/Counter 4 Control Register Address 0BhTC4FF1 TC4FF0 TC4CK2 TC4CK1 TC4CK0 ISFR1 − Interrupt Status Flag Register 1 Address 0Eh Bit Microcontroller TC4D − Timer 4 Data Buffer Address 0Ch TC3CAP = Bit 7 TC3CAP Software capture controlTC3S = 1 Start TC3CAP TC3S TC3CK1 TC3CK0 TC3M TC2M = 1 Window mode TC3DB − Timer 3 Data Buffer B Address 07hBit 7 ~ Bit 6 ADD1 ~ ADD0 AD low 2-bit data buffer TC2S = 1 Start Adcr − 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 0Dh TEN = 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 0Eh Uinven = 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 Select Even = 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 WBE SPIC2 − SPI Control Register 2 Address 06h Transfer ModeSpid SPI Data Buffer Address 07h SPID7 SPID6 SPID5 SPID4 SPID3 SPID2 SPID1 SPID0 PLC1 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 0Dh Accumulator Special Purpose RegistersControl Register Bit 7 Wdto WDT output select Intcr − INT Control Register Address 0Bh Bit Microcontroller IOC6 ~ IOC9 − I/O Port Control RegisterBit 2 Reserved INT1ES = 0 Rising edge INT1ES = 1 Falling edge External Interrupt INT Pin Secondary Enable Condition Function PinAdoscr − AD Offset Control Register Address 0Ch Edge Uerrie Urie Utie Tbie EXIE1 TCIE0 IMR2 − Interrupt Mask Register 2 Address 0Fh Registers for CPU operation mode CPU Operation ModeRbank Register Bank bits 7, 6 of R3, R/W Read/Write Rbank Normal 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 Mode Receiving Transmitting Registers for the SPI Circuit SPI Serial Peripheral InterfaceBaud Rate Generator Transfer Mode Shift Direction and Sample PhaseBit Transmit Mode Serial Clock Bit Transmit/Receive Mode Bit Microcontroller Bit Receive Mode Multiple Device Connect /SS SCK pin Rbank 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 Chart Configuration of Timer/Counter3 Capture mode TCIF4 Registers for Timer 4 Circuit TCR4 PDO Mode TC4 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 Bit SCR Bit Microcontroller Register Bank TC2D9 TC2D8 Register Bank Reset Type Previous value before resetStatus of RST, T, and P of Status Register Bit Microcontroller General Purpose Registers Interrupt Controller Reset Block Diagram Oscillator Modes OscillatorCrystal Oscillator/Ceramic Resonators Crystal Summary of Maximum Operating Speeds EM78P809N Oscillator Type Frequency Mode C1 pF C2 pFExt. Clock 740 Crystal/Resonator-Parallel Mode Circuit External RC Oscillator Mode Code Option Register Enwdtb = 0 Enable Enwdtb = 1 DisableCode Option Register Word For design reference only External Power-on Reset Circuit Power-on ConsiderationsCustomer ID Register Cyes = 0 One cycle Cyes = 1 Two cycles Vdd Residue-Voltage ProtectionEM78P809N Rin Vdd EM78P809N Vdd 40KR2 Instruction Set DEC Binary Instruction Hex Mnemonic Operation Status Affected Absolute 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 ratio AC Test Input/Output Waveform Timing Diagram Pin Count Package Size Package TypesOTP MCU Contents III EM78P809N