HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 492

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

Bit 1—Reserved: Read-only bit, always read as 1.
Bit 0—Smart Card Interface Mode Select (SMIF): Enables or disables the Smart Card interface
function.
Bit 0
SMIF
0
1
13.2.2
Bit 4 of SSR has a different function in Smart Card interface mode. Coupled with this, the setting
conditions for bit 2, TEND, are also different.
Bits 7 to 5—Operate in the same way as for the normal SCI. For details, see section 12.2.7, Serial
Status Register (SSR).
478
Note: * Only 0 can be written to bits 7 to 3, to clear these flags.
Bit
Initial value
R/W
Serial Status Register (SSR)
Description
Smart Card interface function is disabled
Smart Card interface function is enabled
:
:
:
R/(W)*
TDRE
7
1
R/(W)*
RDRF
6
0
R/(W)*
ORER
5
0
R/(W)*
ERS
4
0
R/(W)*
PER
3
0
TEND
R
2
1
MPB
R
1
0
(Initial value)
MPBT
R/W
0
0