HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 327

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

Bit 1—Buffer Mode B3 (BFB3): Selects whether GRB3 operates normally in channel 3, or
whether GRB3 is buffered by BRB3.
Bit 1
BFB3
0
1
Bit 0—Buffer Mode A3 (BFA3): Selects whether GRA3 operates normally in channel 3, or
whether GRA3 is buffered by BRA3.
Bit 0
BFA3
0
1
10.2.5 Timer Output Master Enable Register (TOER)
TOER is an 8-bit readable/writable register that enables or disables output settings for channels 3
and 4.
TOER is initialized to H'FF by a reset and in standby mode.
Bits 7 and 6—Reserved: Read-only bits, always read as 1.
Bit
Initial value
Read/Write
Description
GRB3 operates normally
GRB3 is buffered by BRB3
Description
GRA3 operates normally
GRA3 is buffered by BRA3
Reserved bits
—
—
7
1
—
—
6
1
Master enable TOCXA4, TOCXB4
These bits enable or disable output
settings for pins TOCXA
EXB4
R/W
5
1
Master enable TIOCA3, TIOCB3 , TIOCA4, TIOCB4
These bits enable or disable output settings for pins
TIOCA
315
EXA4
R/W
3
4
1
, TIOCB
4
and TOCXB
EB3
R/W
3
3
1
, TIOCA
EB4
R/W
4
4
, and TIOCB
2
1
EA4
R/W
1
1
(Initial value)
(Initial value)
4
R/W
EA3
0
1