HD6413008VF25 Datasheet, PDF (431/688 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

13.1.3 Pin Configuration
Table 13.1 shows the smart card interface pins.
Table 13.1 Smart Card Interface Pins
Pin Name
Serial clock pin
Receive data pin
Transmit data pin
Abbreviation
SCK
RxD
TxD
I/O
I/O
Input
Output
13. Smart Card Interface
Function
Clock input/output
Receive data input
Transmit data output
13.1.4 Register Configuration
The smart card interface has the internal registers listed in table 13.2. The BRR, TDR, and RDR
registers have their normal serial communication interface functions, as described in section 12,
Serial Communication Interface.
Table 13.2 Smart Card Interface Registers
Channel Address*¹ Name
Abbreviation
0
H'FFFB0 Serial mode register
SMR
H'FFFB1 Bit rate register
BRR
H'FFFB2 Serial control register
SCR
H'FFFB3 Transmit data register
TDR
H'FFFB4 Serial status register
SSR
H'FFFB5 Receive data register
RDR
H'FFFB6 Smart card mode register SCMR
1
H'FFFB8 Serial mode register
SMR
H'FFFB9 Bit rate register
BRR
H'FFFBA Serial control register
SCR
H'FFFBB Transmit data register
TDR
H'FFFBC Serial status register
SSR
H'FFFBD Receive data register
RDR
H'FFFBE Smart card mode register SCMR
Notes: 1. Lower 20 bits of the address in advanced mode.
2. Only 0 can be written in bits 7 to 3, to clear the flags.
R/W Initial Value
R/W H'00
R/W H'FF
R/W H'00
R/W H'FF
R/(W)*² H'84
R
H'00
R/W H'F2
R/W H'00
R/W H'FF
R/W H'00
R/W H'FF
R/(W)*² H'84
R
H'00
R/W H'F2
Rev.4.00 Aug. 20, 2007 Page 385 of 638
REJ09B0395-0400