HD6412332 RENESAS [Renesas Technology Corp], HD6412332 Datasheet - Page 462

• Manufacturer Part Number: HD6412332
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Pin
PF
PF
BREQO
PF
Rev.4.00 Sep. 07, 2007 Page 432 of 1210
REJ09B0245-0400
3
2
1
/LWR
/LCAS/
/BACK
Selection Method and Pin Functions
The pin function is switched as shown below according to the operating mode,
bit PF3DDR, and bit LWROD in SYSCR.
The pin function is switched as shown below according to the combination of
the operating mode, and bits RMTS2 to RMTS0, BREQOE, ABW5 to ABW2,
BREQOPS, and PF2DDR.
The pin function is switched as shown below according to the combination of
the operating mode, and bits BRLE and PF1DDR.
Operating
Mode
LWROD
PF3DDR
Pin function
Operating
Mode
[DRAM space
setting] ⋅
[16-bit access
setting]
[BREQOE ⋅
BREQOPS]
PF2DDR
Pin function
Operating
Mode
BRLE
PF1DDR
Pin function
input pin
output pin
input pin
PF
LWR
PF
0
—
0
0
2
1
0
output pin
0
Modes 4 to 6
Modes 4 to 6
PF
output pin
Modes 4 to 6
input pin
0
1
2
PF
PF
0
1
3
1
BREQO
output
1
pin
—
1
output pin
output pin
BACK
PF
—
1
1
output pin
3
LCAS
—
—
1
input pin
input pin
PF
PF
input pin
0
0
3
1
PF
Mode 7
Mode 7
0
2
Mode 7
—
—
—
—
output pin
output pin
output pin
PF
PF
1
PF
1
1
3
1
2