參數(shù)資料
型號: M38857M8-XXXHP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP80
封裝: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件頁數(shù): 81/105頁
文件大小: 1403K
代理商: M38857M8-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
VCC,VSS
Power supply input
Apply 3.0 ± 0.3 V to the Vcc pin and 0 V to the Vss pin.
CNVSS
Power suppy input
Connect to Vpp = 5V ± 0.5V.
I
Reset input
Input “L” level.
I
RESET
I
XIN
Clock input
Connect a ceramic or crystal resonator between the XIN and XOUT pins.
When entering an externally derived clock, enter it from XIN and leave
XOUT open.
I
XOUT
Clock output
O
AVSS
Analog power supply input
VREF
Reference voltage input
I
Connect to Vss.
P00 to P07
Data I/O D0 to D7
These are data D0–D7 input/output pins.
I/O
P10 to P17
I
These are address A8–A15 input pins.
Address input A0 to A7
This is address A0–A7 input pins.
I
P20 to P27
I
P30
Input P30
Input “H” or “L” or keep open.
Address input A8 to A15
P33
I
P34
I
WE input
RP input
This is a RP input pin.
This is a WE input pin.
I
P37
I
P36
P47
Input P47
I
CE input
OE input
This is a OE input pin.
This is a CE input pin.
P35
O
RY/BY output
This is a RY/BY output pin.
P50 to P57
Input P5
I
P40 to P45
Input P40 to P45
I
P31
BSEL input
This is a BSEL input pin.
I
P32
Input P32
Input “H” or “L” or keep open.
P46
Flash mode Input
Connect “L” for Pallarel I/O mode.
I
Input “H” or “L” or keep open.
P60 to P67
Input P6
I
P70 to P77
Input P7
I
P80 to P87
Input P8
I
Input “H” or “L” or keep open.
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