參數(shù)資料
型號: M38859M3-XXXHP
廠商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 單芯片8位CMOS微機(jī)
文件頁數(shù): 75/103頁
文件大小: 1580K
代理商: M38859M3-XXXHP
3885 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
74
Table 20 Description of Pin Function (Flash Memory Parallel I/O Mode)
Pin name
Signal name
I/O
Function
V
CC
,V
SS
Power supply input
Apply 3.0 ± 0.3 V to the Vcc pin and 0 V to the Vss pin.
CNV
SS
Power suppy input
Connect to V
pp
= 5V ± 0.5V.
I
Reset input
Input
L
level.
I
RESET
I
X
IN
Clock input
Connect a ceramic or crystal resonator between the X
IN
and X
OUT
pins.
When entering an externally derived clock, enter it from X
IN
and leave
X
OUT
open.
I
X
OUT
Clock output
O
AV
SS
Analog power supply input
V
REF
Reference voltage input
I
Connect to Vss.
Connect to Vss.
P0
0
to P0
7
Data I/O D
0
to D
7
These are data D
0
D
7
input/output pins.
I/O
P1
0
to P1
7
I
These are address A
8
A
15
input pins.
Address input A
0
to A
7
This is address A
0
A
7
input pins.
I
P2
0
to P2
7
I
P3
0
Input P3
0
Input
H
or
L
or keep open.
Address input A
8
to A
15
P3
3
I
P3
4
I
WE input
RP input
This is a RP input pin.
This is a WE input pin.
I
P3
7
I
P3
6
P4
7
Input P4
7
I
CE input
OE input
This is a OE input pin.
This is a CE input pin.
P3
5
O
RY/BY output
This is a RY/BY output pin.
P5
0
to P5
7
Input P5
I
P4
0
to P4
5
Input P4
0
to P4
5
I
I
I
P3
1
BSEL input
This is a BSEL input pin.
I
P3
2
Input P3
2
Input
H
or
L
or keep open.
P4
6
Flash mode Input
Connect
L
for Pallarel I/O mode.
I
Input
H
or
L
or keep open.
P6
0
to P6
7
Input P6
I
P7
0
to P7
7
Input P7
I
P8
0
to P8
7
Input P8
I
Input
H
or
L
or keep open.
Input
H
or
L
or keep open.
Input
H
or
L
or keep open.
Input
H
or
L
or keep open.
Input
H
or
L
or keep open.
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