TSC80251-SK Просмотр технического описания (PDF) - Temic Semiconductors

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TSC80251-SK

Extended 8–bit Microcontroller with Serial Communication Interfaces

Temic Semiconductors 

TSC87251G1A

Table 3. C251 Core SFRs

Mnemonic

ACC(1)

B(1)

PSW

PSW1

SP(1)

Name

Accumulator

B Register

Program Status Word

Program Status Word 1

Stack Pointer – LSB of SPX

Mnemonic

SPH(1)

DPL(1)

DPH(1)

DPXL(1)

Name

Stack Pointer High – MSB of SPX

Data Pointer Low byte – LSB of DPTR

Data Pointer High byte – MSB of DPTR

Data Pointer Extended Low byte of DPX – Region number

Note:

1. These SFRs can also be accessed by their corresponding registers in the register file.

Table 4. I/O Port SFRs

Mnemonic

P0

P1

Name

Port 0

Port 1

Mnemonic

P2

P3

Name

Port 2

Port 3

Table 5. Timers SFRs

Mnemonic

TL0

TH0

TL1

TH1

TL2

TH2

TCON

Name

Timer/Counter 0 Low Byte

Timer/Counter 0 High Byte

Timer/Counter 1 Low Byte

Timer/Counter 1 High Byte

Timer/Counter 2 Low Byte

Timer/Counter 2 High Byte

Timer/Counter 0 and 1 Control

Mnemonic

TMOD

T2CON

T2MOD

RCAP2L

RCAP2H

WDTRST

Name

Timer/Counter 0 and 1 Modes

Timer/Counter 2 Control

Timer/Counter 2 Mode

Timer/Counter 2 Reload/Capture Low Byte

Timer/Counter 2 Reload/Capture High Byte

WatchDog Timer Reset

Table 6. Serial I/O Port SFRs

Mnemonic

SCON

SBUF

SADEN

Name

Serial Control

Serial Data Buffer

Slave Address Mask

Mnemonic

SADDR

BRL

BDRCON

Name

Slave Address

Baud Rate Reload

Baud Rate Control

Table 7. SSLC SFRs

Mnemonic

SSCON

SSDAT

Name

Synchronous Serial control

Synchronous Serial Data

Mnemonic

SSCS

SSBR

Name

Synchronous Serial Control and Status

Synchronous Serial Bit Rate

10

Rev. A – September 21, 1998

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