HD64F2149 Datasheet, PDF (227/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Port Description Pins
Port 9 • 8-bit I/O
port
P92/IRQ0
P91/IRQ1
P90/LWR/IRQ2/
ADTRG/ECS2
Port A • 8-bit I/O
port
PA7/A23/KIN15/
CIN15/PS2CD
PA6/A22/KIN14/
CIN14/PS2CC
PA5/A21/KIN13/
CIN13/PS2BD
PA4/A20/KIN12/
CIN12/PS2BC
PA3/A19/KIN11/
CIN11/PS2AD
PA2/A18/KIN10/
CIN10/PS2AC
PA1/A17/KIN9/
CIN9
PA0/A16/KIN8/
CIN8
Expanded Modes
Single-Chip Mode
Mode 1
Mode 2, Mode 3 Mode 2, Mode 3
(EXPE = 1)
(EXPE = 0)
I/O port also functioning as external interrupt input (IRQ0,
IRQ1)
I/O port also functioning as
expanded data bus control
output (LWR), external
interrupt input (IRQ2), and A/D
converter external trigger input
(ADTRG)
I/O port also functioning
as external interrupt
input (IRQ2), A/D
converter external
trigger input (ADTRG),
and host interface (XBS)
control input (ECS2)
I/O port also
functioning
as key-
sense
interrupt
input
(KIN15 to
KIN8),
expansion
A/D
converter
input
(CIN15 to
CIN8), and
keyboard
buffer
controller
input/output
(PS2CD,
PS2CC,
PS2BD,
PS2BC,
PS2AD,
PS2AC)
I/O port also
functioning as
address output
(A23 to A16),
key-sense
interrupt input
(KIN15 to KIN8),
expansion A/D
converter input
(CIN15 to CIN8),
and keyboard
buffer controller
input/output
(PS2CD,
PS2CC,
PS2BD, PS2BC,
PS2AD,
PS2AC)
I/O port also functioning
as key-sense interrupt
input (KIN15 to KIN8),
expansion A/D converter
input (CIN15 to CIN8),
and keyboard buffer
controller input/output
(PS2CD, PS2CC,
PS2BD, PS2BC,
PS2AD, PS2AC)
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