Hitachi H8S/2670, Reference Manual

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Table 5.1 Port Functions
Port Description Pins
Modes
1, 2, 5, 6
Mode
4
Mode
7
Port 1
•
8-bit I/O
port
•
Schmitt-
trigger
input
P17/PO15/TIOCB2/
TCLKD/
EDRAK3
P16/PO14/TIOCA2/
EDRAK2
2-bit I/O port also functioning as
EXDMA controller output pins
(
EDRAK3
,
EDRAK2
), TPU I/O
pins (TCLKD, TIOCA2,
TIOCB2), and PPG output pins
(PO15, PO14)
•
When EXPE = 0 (after reset):
2-bit I/O port also functioning
as TPU I/O pins (TCLKD,
TIOCA2, TIOCB2) and PPG
output pins (PO15, PO14)
•
When EXPE = 1: 2-bit I/O port
also functioning as EXDMA
controller output pins
(
EDRAK3
,
EDRAK2
), TPU I/O
pins (TCLKD, TIOCA2,
TIOCB2), and PPG output
pins (PO15, PO14)
P15/PO13/TIOCB1/
TCLKC
P14/PO12/TIOCA1
P13/PO11/TIOCD0/
TCLKB
P12/PO10/TIOCC0/
TCLKA
P11/PO9/TIOCB0
P10/PO8/TIOCA0
6-bit I/O port also functioning as TPU I/O pins (TCLKA, TCLKB,
TCLKC, TIOCA0, TIOCB0, TIOCC0, TIOCD0, TIOCA1, TIOCB1)
and PPG output pins (PO13 to PO8)
Port 2
•
8-bit I/O
port
•
Schmitt-
trigger
input
P27/PO7/TIOCB5/
IRQ15
/
EDRAK1
P26/PO6/TIOCA5/
IRQ14
/
EDRAK0
2-bit I/O port also functioning as
EXDMA controller output pins
(
EDRAK1
,
EDRAK0
), TPU I/O
pins (TIOCA5, TIOCB5),
interrupt input pins (
IRQ15
,
IRQ14
), and PPG output pins
(PO7, PO6)
•
When EXPE = 0 (after reset):
2-bit I/O port also functioning
as TPU I/O pins (TIOCA5,
TIOCB5), interrupt input pins
(
IRQ15
,
IRQ14
), and PPG
output pins (PO7, PO6)
•
When EXPE = 1: 2-bit I/O port
also functioning as EXDMA
controller output pins
(
EDRAK1
,
EDRAK0
), TPU I/O
pins (TIOCA5, TIOCB5),
interrupt input pins (
IRQ15
,
IRQ14
), and PPG output pins
(PO7, PO6)