HD6432621 Hitachi, HD6432621 Datasheet - Page 254

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Table 9-1
Port 1
Port 4
Port 9
210
Port Description
8-bit I/O
port
Schmitt-
triggered
input (P16
and P14)
8-bit input
port
8-bit input
port
Port Functions
P17/PO15/TIOCB2/TCLKD
P16/PO14/TIOCA2/IRQ1
P15/PO13/TIOCB1/TCLKC
P14/PO12/TIOCA1/IRQ0
P13/PO11/TIOCD0/
TCLKB/A23
P12/PO10/TIOCC0/
TCLKA/A22
P11/PO9/TIOCB0/A21
P10/PO8/TIOCA0/A20
P47/AN7
P46/AN6
P45/AN5
P44/AN4
P43/AN3
P42/AN2
P41/AN1
P40/AN0
P97/AN15/DA3*
P96/AN14/DA2*
P95/AN13
P94/AN12
P93/AN11
P92/AN10
P91/AN9
P90/AN8
Pins
1
1
8-bit I/O port also functioning as TPU I/O
pins (TCLKA, TCLKB, TCLKC, TCLKD,
TIOCA0, TIOCB0, TIOCC0, TIOCD0,
TIOCA1, TIOCB1, TIOCA2, TIOCB2), PPG
output pins (PO15 to PO8), interrupt input
pins (IRQ0, IRQ1), and address outputs
(A20 to A23)
8-bit input port also functioning as A/D converter analog
inputs (AN7 to AN0)
8-bit input port also functioning as A/D converter analog
inputs (AN15 to AN8) and D/A converter analog outputs
(DA3, DA2)
Mode 4
Mode 5
Mode 6
8-bit I/O port
also function-
ing as TPU
I/O pins
(TCLKA,
TCLKB,
TCLKC,
TCLKD,
TIOCA0,
TIOCB0,
TIOCC0,
TIOCD0,
TIOCA1,
TIOCB1,
TIOCA2,
TIOCB2),
PPG output
pins (PO15 to
PO8), and
interrupt input
pins (IRQ0,
IRQ1)
Mode 7