Pin Configuration; Register Configuration - Hitachi H8/3022 Hardware Manual

12.1.3

Pin Configuration

Table 12-1 shows the Smart Card interface pin configuration.
Table 12-1 Smart Card Interface Pins
Pin Name
Serial clock pin 0
Receive data pin 0
Transmit data pin 0
12.1.4

Register Configuration

Table 12-2 shows the registers used by the Smart Card interface. Details of SMR, BRR, SCR,
TDR, and RDR are the same as for the normal SCI function: see the register descriptions in
section 11, Serial Communication Interface.
Table 12-2 Smart Card Interface Registers
1
Address* Name
H'FFB0 Serial mode register
H'FFB1 Bit rate register
H'FFB2 Serial control register
H'FFB3 Transmit data register
H'FFB4 Serial status register
H'FFB5 Receive data register
H'FFB6 Smart card mode
register
Notes: 1. Lower 16 bits of the address.
2. Can only be written with 0 for flag clearing.
Abbreviation I/O
SCK Output
0
RxD Input
0
TxD Output
0
Abbreviation
SMR
BRR
SCR
TDR
SSR
RDR
SCMR
Function
SCI clock output
0
SCI receive data input
0
SCI transmit data output
0
R/W Initial Value
R/W H'00
R/W H'FF
R/W H'00
R/W H'FF
2
R/(W)* H'84
R H'00
R/W H'F2
385