Input/Output Pins; Register Configuration - Renesas F-ZTAT H8 Series Hardware Manual

14.1.3

Input/Output Pins

Table 14.1 lists the smart card interface pins.
Table 14.1 Smart Card Interface Pins
Name
Serial clock pin
Receive data pin
Transmit data pin
14.1.4

Register Configuration

The smart card interface has the internal registers listed in table 14.2. BRR, TDR, and RDR have
their normal serial communication interface functions, as described in section 13, Serial
Communication Interface.
Table 14.2 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. Only 0 can be written, to clear flags.
Abbreviation I/O
SCK Output
0
RxD Input
0
TxD Output
0
Section 14 Smart Card Interface
Function
Clock output
Receive data input
Transmit data output
Abbreviation R/W
SMR R/W
BRR R/W
SCR R/W
TDR R/W
R/(W) *
SSR
RDR R
SCMR R/W
Rev. 7.00 Sep 21, 2005 page 511 of 878
Initial Value
H'00
H'FF
H'00
H'FF
2
F'84
H'00
H'F2
REJ09B0259-0700