HD6432646 Hitachi, HD6432646 Datasheet - Page 542

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Bit 6—Block Transfer Mode (BLK): Selects block transfer mode.
Bit 6
BLK
0
1
Note: etu : Elementury time unit (time for transfer of 1 bit)
Bits 3 and 2—Basic Clock Pulse 1 and 0 (BCP1, BCP0): These bits specify the number of basic
clock periods in a 1-bit transfer interval on the Smart Card interface.
Bit 3
BCP1
0
1
Bits 5, 4, 1, and 0: Operate in the same way as for the normal SCI. For details, see section 13.2.5,
Serial Mode Register (SMR).
508
Description
Normal Smart Card interface mode operation
Block transfer mode operation
Bit 2
BCP0
1
0
1
0
Error signal transmission/detection and automatic data retransmission performed
TXI interrupt generated by TEND flag
TEND flag set 12.5 etu after start of transmission (11.0 etu in GSM mode)
Error signal transmission/detection and automatic data retransmission not
performed
TXI interrupt generated by TDRE flag
TEND flag set 11.5 etu after start of transmission (11.0 etu in GSM mode)
Description
32 clock periods
64 clock periods
372 clock periods
256 clock periods
(Initial value)