HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 287

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

Table 8.20 Port F Pin Functions (cont)
Pin
PF
PF
PF
270
3
2
1
/LWR/IRQ3
/WAIT/IRQ2
/BACK/IRQ1
Selection Method and Pin Functions
The pin function is switched as shown below according to the operating mode
and bit PF3DDR.
Notes: 1. Modes 1 to 3 are not available on the F-ZTAT version.
The pin function is switched as shown below according to the operating mode,
and WAITE bit in BCRL, and PF2DDR bit.
Notes: 1. Modes 1 to 3 are not available on the F-ZTAT version.
The pin function is switched as shown below according to the operating mode,
and the BRLE bit in BCRL and PF1DDR bit.
Notes: 1. Modes 1 to 3 are not available on the F-ZTAT version.
Operating
Mode
PF3DDR
Pin function
Operating
Mode
WAITE
PF2DDR
Pin function
Operating
Mode
BRLE
PF1DDR
Pin function
2. When this pin is used as an external interrupt input, the pin function
2. When this pin is used as an external interrupt input, the pin function
2. When this pin is used as an external interrupt input, the pin function
Modes 2, 3, 6, and 7 are not available on the ROMless version.
should be set as a port (PF
Modes 2, 3, 6, and 7 are not available on the ROMless version.
should be set as a port (PF
Modes 2, 3, 6, and 7 are not available on the ROMless version.
should be set as a port (PF
input pin
input pin
LWR output pin
1, 2, 4, 5, 6 *
PF
PF
0
0
Modes
2
1
Modes 1, 2, 4, 5, 6 *
Modes 1, 2, 4, 5, 6 *
—
0
0
output pin
output pin
1
PF
PF
1
1
IRQ3 interrupt input pin *
IRQ2 interrupt input pin *
IRQ1 interrupt input pin *
2
1
3
2
1
) input pin.
) input pin.
) input pin.
PF
output pin
input pin
3
BACK
1
1
WAIT
input pin
—
—
0
1
1
Modes 3 and 7 *
input pin
input pin
Modes 3 and 7 *
Modes 3 and 7 *
PF
PF
0
0
2
2
2
2
1
PF
3
—
—
1
output pin
output pin
output pin
1
PF
PF
1
1
2
1
1
1