參數(shù)資料
型號(hào): M38503E4SS
廠商: Mitsubishi Electric Corporation
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): 56/86頁
文件大?。?/td> 1193K
代理商: M38503E4SS
56
3850 Group (Spec. H)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Table 16 Pin functions (Flash memory standard serial I/O mode)
Pin
Description
V
CC
,V
SS
Apply program/erase protection voltage to Vcc pin and 0 V to Vss pin.
CNV
SS
Connect to V
CC
when V
CC
= 4.5 V to 5.5 V.
Connect to Vpp (=4.5 V to 5.5 V) when V
CC
= 2.7 V to 4.5 V.
RESET
Reset input pin. While reset is
L
level, a 20 cycle or longer clock
must be input to X
IN
pin.
Connect a ceramic resonator or crystal oscillator between X
IN
and
X
OUT
pins. To input an externally generated clock, input it to X
IN
pin
and open X
OUT
pin.
X
IN
X
OUT
Name
Power input
CNV
SS
Reset input
Clock input
Clock output
I/O
I
I
I
O
AV
SS
V
REF
Connect AV
SS
to V
SS
.
Enter the reference voltage for AD from this pin.
P0
0
to P0
7
Input
H
or
L
level signal or open.
P1
0
to P1
7
Input
H
or
L
level signal or open.
P2
0
to P2
3
Input
H
or
L
level signal or open.
Analog power supply input
Reference voltage input
Input port P0
Input port P1
Input port P2
I
I
I
I
P4
1
Input
H
level signal, when reset is released.
P4
0,
P4
2
to P4
4
Input
H
or
L
level signal or open.
P2
4
Serial data input pin
P2
5
P2
6
Serial clock input pin
P2
7
BUSY signal output pin
Input P4
1
Input port P4
RxD input
TxD output
S
CLK
input
BUSY output
I
I
O
I
O
Serial data output pin
I
P3
0
to P3
4
Input
H
or
L
level signal or open.
Input port P3
I
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