AT89C5122 ATMEL [ATMEL Corporation], AT89C5122 Datasheet - Page 37

• Manufacturer Part Number: AT89C5122
• Description: MICROCONTROLLER WITH USB AND SMART CARD READER INTERFACES
• Manufacturer: ATMEL [ATMEL Corporation]

Table 13. Timers SFRs
Table 14. Watchdog SFRs
Table 15. Serial I/O Ports SFRs
Table 16. Baud Rate Generator SFRs
Table 17. Interrupt SFRs
4202D–SCR–06/05
Mnemonic
TH0
TL0
TH1
TL1
TCON
TMOD
Mnemonic
WDTRST
WDTPRG
Mnemonic
SCON
SBUF
SADEN
SADDR
Mnemonic
BRL
BDRCON
Mnemonic
IEN0
IEN1
IPL0
Add Name
Add Name
Add Name
Add Name
Add Name
8Ch Timer/Counter 0 High byte
8Ah Timer/Counter 0 Low byte
8Dh Timer/Counter 1 High byte
8Bh Timer/Counter 1 Low byte
A6h Watchdog Timer Reset
A7h Watchdog Timer Program
B9h Slave Address Mask
A9h Slave Address
9Ah Baud Rate Reload
9Bh Baud Rate Control
A8h Interrupt Enable Control 0
B1h Interrupt Enable Control 1
B8h
88h
89h
98h Serial Control
99h Serial Data Buffer
Timer/Counter 0 and 1
control
Timer/Counter 0 and 1
Modes
Interrupt Priority Control
Low 0
FE/SM0
GATE1
TF1
EA
7
7
7
7
7
C/T1#
EUSB
SM1
TR1
6
6
6
6
6
SM2
M11
TF0
5
5
5
5
5
REN
BRR
M01
TR0
PSL
ES
4
4
4
4
4
WDTRST
SADDR
SADEN
SBUF
TH0
TH1
BRL
TL0
TL1
GATE0
TBCK
ESCI
PT1L
TB8
ET1
IE1
3
3
3
3
3
ESPI
C/T0#
RBCK
PX1L
RB8
EX1
IT1
2
2
2
2
2
(1)
PT0L
S2-0
SPD
M10
ET0
IE0
1
1
1
TI
1
1
M0SRC
EKB
PX0L
M00
EX0
IT0
0
0
0
RI
0
0
(1)
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