AT83EC5123 ATMEL Corporation, AT83EC5123 Datasheet - Page 26

• Manufacturer Part Number: AT83EC5123
• Description: (AT8xx512x) Smart Card Reader ICs
• Manufacturer: ATMEL Corporation

Table 25. Smart Card Interface (SCI) Registers
Table 26. DC/DC Converter Register
Table 27. Keyboard Interface Registers
Mnemonic
SCGT0
SCGT1
SCWT0
SCWT1
SCWT2
SCWT3
SCICR
SCCON
SCETU0
SCETU1
SCISR
SCIIR
SCIER
SCSR
SCTBUF
SCRBUF
SCICLK
26
Mnemonic
DCCKPS
Mnemonic
KBF
KBE
(1)
(1)
AT8xC5122/23
Add Name
Add Name
Add Name
ACh
ACh Smart Card ETU Register 0
ADh Smart Card ETU Register 1
ADh
B4h
B5h
B4h
B5h
B6h
C1h
B6h
AEh
AEh
ABh
AAh
AAh
C1h
BFh
9Eh Keyboard Flag Register
9Dh
Smart Card Transmit Guard
Time Register 0
Smart Card Transmit Guard
Time Register 1
Smart Card Character/ Block
Wait Time Register 0
Smart Card Character/ Block
Wait Time Register 1
Smart Card Character/ Block
Wait Time Register 2
Smart Card Character/ Block
Wait 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
Smart Card Transmit Buffer
Register (Write only)
Smart Card Receive Buffer
Register (Read Only)
Smart Card Frequency
Prescaler Register
DC/DC Converter Reload
Register
Keyboard Input Enable
Register
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.
XTSCS
ESCTBI
RESET
SCTBE
COMP
1. Only for AT8xC5122
MODE
SCTBI
CLK
7
7
7
(1)
CARDDET
CARDIN
OVFADJ
BGTEN
6
6
6
ICARDOVF
ICARDERR
ICARDER
CARDC8
5
5
5
BOOST[1-0]
VCARD1-0
VCARDOK
VCARDERR
EVCARDER
CREPSEL
CARDC4
4
4
4
WT23-16
WT31-24
ETU7 - 0
KBE7 - 0
KBF7 - 0
WT7 - 0
WT15-8
GT7 - 0
CARDIO
ESCWTI
SCWTO
SCWTI
UART
3
3
3
ALTKPS1-0
SCICLK5-0
CARDCLK CARDRST CARDVCC
WTEN
ESCTI
SCTC
SCTI
2
2
2
DCCKPS3-0
ETU10-8
SCCLK1
ESCRI
SCRC
CREP
SCRI
1
1
1
4202B–SCR–07/03
CONV
ESCPI
SCPE
SCRS
SCPI
GT8
0
0
0