AT89C5122 ATMEL [ATMEL Corporation], AT89C5122 Datasheet - Page 38

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

Table 17. Interrupt SFRs
Table 18. SCIB SFRs
38
Mnemonic
SCGT0
SCGT1
SCWT0
SCWT1
SCWT2
SCWT3
SCICR
SCCON
SCETU0
SCETU1
SCISR
SCIIR
SCIER
SCSR
SCIBUF
Mnemonic
IPH0
IPL1
IPH1
ISEL
AT8xC5122/23
Add Name
Add Name
ACh
ACh Smart Card ETU Register 0
ADh Smart Card ETU Register 1
ADh
AEh
AEh
ABh
AAh Smart Card Buffer Register
B7h
B2h
B3h
A1h Interrupt Enable Register
B4h
B5h
B4h
B5h
B6h
C1h
B6h
Smart Card Transmit Guard
Time Register 0
Smart Card Transmit Guard
Time Register 1
Smart Card Character/ Block
Waiting Time Register 0
Smart Card Character/ Block
Waiting Time Register 1
Smart Card Character/ Block
Waiting Time Register 2
Smart Card Character/ Block
Waiting Time Register 3
Smart Card Interface Control
Register
Smart Card Interface
Contacts Register
Smart Card UART Interface
Status Register (Read only)
Smart Card UART Interrupt
Identification Register (Read
only)
Smart Card UART Interrupt
Enable Register
Smart Card Selection
Register
Interrupt Priority Control
High 0
Interrupt Priority Control
Low 1
Interrupt Priority Control
High 1
Note:
Can store a new byte to be transmitted on the I/O pin when SCTBE is set. Bit ordering on the I/O pin
depends on the convention
Provides the byte received from the I/O pin when SCRI is set. Bit ordering on the I/O pin depends on
the convention.
ESCTBI
RESET
SCTBE
CPLEV
1. Only for AT8xC5122
COMP
SCTBI
CLK
7
7
CARDDET
CARDIN
PUSBH
BGTEN
PUSBL
6
6
ICARDOVF
ICARDERR
ICARDER
CARDC8
PRESIT
5
5
VCARD1-0
VCARDOK
VCARDERR
EVCARDER
CREPSEL
CARDC4
RXIT
PSH
4
4
WT23-16
WT31-24
ETU7 - 0
WT7 - 0
WT15-8
GT7 - 0
CARDIO
ESCWTI
SCWTO
OELEV
SCWTI
PSCIH
PSCIL
UART
PT1H
3
3
ALTKPS1-0
CARDCLK CARDRST CARDVCC
PSPIH
PSPIL
ESCTI
OEEN
WTEN
SCTC
PX1H
SCTI
2
2
(1)
(1)
PRESEN
ETU10-8
SCCLK1
ESCRI
SCRC
CREP
PT0H
SCRI
1
1
4202D–SCR–06/05
PKBH
PKBL
ESCPI
RXEN
CONV
SCRS
PX0H
SCPE
SCPI
GT8
0
0
(1)
(1)