Hitachi H8S/2670, Справочное руководство

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191
Port Description Pins
Modes
1, 2, 5, 6
Mode
4
Mode
7
Port H
•
4-bit I/O
port PH2/
CS6
/
IRQ6
When CS6E = 0 (after reset):
I/O port also functioning as
IRQ6
interrupt input
When CS6E = 1 and DDR = 0:
Input port also functioning as
IRQ6
interrupt input
When CS6E = 1 and DDR = 1:
Dual function as
IRQ6
interrupt
input and
CS6
output
When EXPE = 0 (after reset), or
when EXPE = 1 and CS6E = 0:
I/O port also functioning as
IRQ6
interrupt input
When EXPE = 1, CS6E = 1,
and DDR = 0: Input port also
functioning as
IRQ6
interrupt
input
When EXPE = 1, CS6E = 1,
and DDR = 1: Dual function as
IRQ6
interrupt input and
CS6
output
PH1/
CS5
When CS5E = 0 (after reset):
I/O port
When CS5E = 1 and DDR = 0:
Input port
When CS5E = 1 and DDR = 1:
CS5
output
When EXPE = 0 (after reset), or
when EXPE = 1 and CS5E = 0:
I/O port
When EXPE = 1, CS5E = 1,
and DDR = 0: Input port
When EXPE = 1, CS5E = 1,
and DDR = 1:
CS5
output
PH0/
CS4
When CS4E = 0 (after reset):
I/O port
When CS4E = 1 and DDR = 0:
Input port
When CS4E = 1 and DDR = 1:
CS4
output
When EXPE = 0 (after reset), or
when EXPE = 1 and CS4E = 0:
I/O port
When EXPE = 1, CS4E = 1,
and DDR = 0: Input port
When EXPE = 1, CS4E = 1,
and DDR = 1:
CS4
output