AT89C5131A-L Datasheet, PDF (21/186 Pages) ATMEL Corporation – 8-bit Flash Microcontroller with Full Speed USB Device

AT89C5131A-L
Table 21. Timer SFR’s
Mnemonic Add Name
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
TMOD
89h
Timer/Counter 0 and 1
Modes
T2CON
C8h Timer/Counter 2 control
T2MOD
C9h Timer/Counter 2 Mode
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
7
TF1
GATE1
TF2
6
TR1
C/T1#
EXF2
5
TF0
M11
RCLK
4
3
2
TR0
IE1
IT1
M01
TCLK
GATE0
EXEN2
C/T0#
TR2
S2
1
0
IE0
IT0
M10
M00
C/T2#
T2OE
CP/RL2#
DCEN
S1
S0
Table 22. Serial I/O Port SFR’s
Mnemonic Add Name
SCON
98h Serial Control
SBUF
99h Serial Data Buffer
SADEN
B9h Slave Address Mask
SADDR
A9h Slave Address
7
6
5
4
3
2
1
0
FE/SM0 SM1
SM2
REN
TB8
RB8
TI
RI
Table 23. Baud Rate Generator SFR’s
Mnemonic
Add Name
BRL
9Ah Baud Rate Reload
BDRCON
9Bh Baud Rate Control
7
6
5
4
3
2
1
0
BRR
TBCK
RBCK
SPD
SRC
21
4338F–USB–08/07