Rainbow-electronics T89C51CC02 Manual de usuario descargar pdf (Pagina 9)

Rev.A - May 17, 2001 9

Preliminary

T89C51CC02

5. SFR Mapping

The Special Function Registers (SFRs) of the T89C51CC02 fall into the following categories:

Table 3. C51 Core SFRs

Table 4. I/O Port SFRs

Table 5. Timers SFRs

Table 6. Serial I/O Port SFRs

Mnemonic Add Name 7 6 5 4 3 2 1 0

ACC E0h Accumulator

B F0h B Register

PSW D0h Program Status Word

SP 81h

Stack Pointer

LSB of SPX

DPL 82h

Data Pointer Low byte

LSB of DPTR

DPH 83h

Data Pointer High byte

MSB of DPTR

Mnemonic Add Name 7 6 5 4 3 2 1 0

P1 90h Port 1

P2 A0h Port 2 (x2)

P3 B0h Port 3

P4 C0h Port 4 (x2)

Mnemonic Add Name 7 6 5 4 3 2 1 0

TH0 8Ch Timer/Counter 0 High byte

TL0 8Ah Timer/Counter 0 Low byte

TH1 8Dh Timer/Counter 1 High byte

TL1 8Bh Timer/Counter 1 Low byte

TH2 CDh Timer/Counter 2 High byte

TL2 CCh Timer/Counter 2 Low byte

TCON 88h Timer/Counter 0 and 1 control

TF1 TR1 TF0 TR0 IE1 IT1 IE0 IT0

TMOD 89h Timer/Counter 0 and 1 Modes

GATE1 C/T1# M11 M01 GATE0 C/T0# M10 M00

T2CON C8h Timer/Counter 2 control

TF2 EXF2 RCLK TCLK EXEN2 TR2 C/T2# CP/RL2#

T2MOD C9h Timer/Counter 2 Mode

- - - - - - T2OE DCEN

RCAP2H CBh

Timer/Counter 2 Reload/Capture

High byte

RCAP2L CAh

Timer/Counter 2 Reload/Capture

Low byte

WDTRST A6h WatchDog Timer Reset

WDTPRG A7h WatchDog Timer Program

-----S2S1S0

Mnemonic Add Name 7 6 5 4 3 2 1 0

SCON 98h Serial Control

FE/SM0 SM1 SM2 REN TB8 RB8 TI RI

SBUF 99h Serial Data Buffer

SADEN B9h Slave Address Mask

SADDR A9h Slave Address

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 136 137

T89C51CC02 1

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Rainbow-electronics T89C51CC02 Manual de usuario Pagina 9

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