Rainbow-electronics AT89C5131 Manual do Utilizador descarregar pdf (Página 15)

AT89C5131

4136A–USB–03/03

Table 15. Timer SFR’s

MnemonicAddName 76543210

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 S2 S1 S0

Table 16. Serial I/O Port SFR’s

MnemonicAddName 76543210

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

Table 17. Baud Rate Generator SFR’s

MnemonicAddName 76543210

BRL 9Ah Baud Rate Reload

BDRCON 9Bh Baud Rate Control BRR TBCK RBCK SPD SRC

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 174 175

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