HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 288
HD6412340
Manufacturer Part Number
HD6412340
Description
H8S/2345 F-ZTAT Hardware Manual
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
1.HD6412340.pdf
(907 pages)
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Table 8.20 Port F Pin Functions (cont)
Pin
PF
8.12
8.12.1
Port G is a 5-bit I/O port. Port G pins also function as bus control signal output pins (CS0 to CS3).
The A/D converter input pin (ADTRG), and interrupt input pins (IRQ6, IRQ7). The interrupt input
pins (IRQ6, IRQ7) are Schmitt-triggered inputs.
Figure 8.24 shows the port G pin configuration.
0
/BREQ/IRQ0
Port G
Overview
Selection Method and Pin Functions
The pin function is switched as shown below according to the operating mode,
and the BRLE bit in BCRL and PF0DDR bit.
Notes: 1. Modes 1 to 3 are not available on the F-ZTAT version.
Operating
Mode
BRLE
PF0DDR
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
input pin
PF
0
0
Modes 1, 2, 4, 5, 6 *
0
output pin
PF
1
IRQ0 interrupt input pin *
0
0
) input pin.
input pin
BREQ
1
—
1
input pin
Modes 3 and 7 *
PF
0
2
0
—
output pin
PF
1
0
1
271
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