MSM66577 データシートの表示（PDF） - Oki Electric Industry
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MSM66577 Datasheet PDF : 34 Pages
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1Semiconductor
PEDL66577-01
MSM66577 Family
PIN DESCRIPTIONS
In the Type column, “I” indicates an input pin, “O” indicates an output pin, and “I/O” indicates an I/O pin.
Function
Port
Symbol
P0_0/D0 (AD0)
to
P0_7/D7 (AD7)
P1_0/A8
to
P1_7/A15
P2_0/A16
to
P2_3/A19
P3_0/ALE
P3_1/PSEN
P3_2/RD
P3_3/WR
P4_0/A0
to
P4_7/A7
P5_4/CPCM0
P5_5/CPCM1
P5_6/TM0OUT
P5_7/TM0EVT
P6_0/EXINT0
P6_1/EXINT1
P6_2/EXINT2
P6_3/EXINT3
P6_4/TM1EVT
P6_5/TM1OUT
P6_6/TM2EVT
P6_7/TM2OUT
Description
Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Primary function
8-bit I/O port
10 mA sink capability
Pull-up resistors can be
specified for each individual bit
8-bit I/O port
Pull-up resistors can be
specified for each individual bit
4-bit I/O port
Pull-up resistors can be
specified for each individual bit
4-bit I/O port
10 mA sink capability
Pull-up resistors can be
specified for each individual bit
8-bit I/O port
Pull-up resistors can be
specified for each individual bit
4-bit I/O port
Pull-up resistors can be
specified for each individual bit
8-bit I/O port
Pull-up resistors can be
specified for each individual bit
Type
I/O
O
Secondary function
External memory access
Data I/O port
(Address output/data I/O port when
selecting a multiplexed bus)
External memory access
Address output port
External memory access
O Address output port
External memory access
O Address latch enable signal
output pin
External program memory
O access
Read strobe output pin
External memory access
O
Read strobe output pin
External memory access
O
Write strobe output pin
External memory access
O
Address output port
(When selecting a separate bus
type)
I/O Capture 0 input / Compare
0 output pin
I/O Capture 1 input / Compare
1 output pin
O Timer 0 timer output pin
I
Timer 0 external event input pin
I
External interrupt 0 input pin
I
External interrupt 1 input pin
I
External interrupt 2 input pin
I
External interrupt 3 input pin
I
Timer1 external event input pin
O Timer 1 timer output pin
I
Timer 2 external event pin
O Timer 2 timer output pin
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