Rainbow Electronics AT89C5131 - Manual (Page 15)

15
AT89C5131
4136A–USB–03/03
Table 15. Timer SFR’s
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 S2 S1 S0
Table 16. Serial I/O Port SFR’s
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
Table 17. Baud Rate Generator SFR’s
Mnemonic Add Name 7 6 5 4 3 2 1 0
BRL 9Ah Baud Rate Reload
BDRCON 9Bh Baud Rate Control BRR TBCK RBCK SPD SRC