HD6412350 Hitachi, HD6412350 Datasheet - Page 409

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

Table 9-24 Port F Pin Functions (cont)
Pin
PF
PF
BREQO
PF
Note: * Modes 2, 3, 6, and 7 only apply to the H8S/2351.
3
2
1
/LWR
/LCAS/WAIT/
/BACK
Selection Method and Pin Functions
The pin function is switched as shown below according to the operating mode
and bit PF3DDR.
The pin function is switched as shown below according to the combination of
the operating mode, and bits RMTS2 to RMTS0, LCASS, BREQOE, WAITE,
ABW5 to ABW2, and PF2DDR.
Note: 1. Only in DRAM space 16-bit access in modes 4 to 6 when RMTS2 to
The pin function is switched as shown below according to the combination of
the operating mode, and bits BRLE and PF1DDR.
Operating
Mode
PF3DDR
Pin function
Operating
Mode
LCASS
BREQOE
WAITE
PF2DDR
Pin function
Operating
Mode
BRLE
PF1DDR
Pin function
RMTS0 = B'001 to B'011.
Modes 1, 2, 4, 5, 6*
input
input pin
LWR output pin
PF
pin
0
PF
2
0
1
0
Modes 1, 2, 4, 5, 6*
—
output
PF
0
pin
Modes 1, 2, 4, 5, 6*
0
1
output pin
2
PF
0
1
WAIT
input
1
pin
—
1
PF
output pin
BREQO
3
output
BACK
input pin
pin
—
—
—
0
1
1
Modes 3 and 7*
output
LCAS
pin
1*
—
—
—
input pin
Modes 3 and 7*
PF
0
1
PF
Modes 3 and 7*
input
PF
pin
3
0
—
output pin
2
output pin
1
—
—
—
PF
output
1
PF
pin
1
1
2
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