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| 型號(hào)： | M37643M8-XXXHP |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80 |
| 文件頁(yè)數(shù)： | 120/120頁(yè) |
| 文件大?。?/td> | 1253K |
| 代理商： | M37643M8-XXXHP |
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99
7643 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to
change.
Table 23 Description of pin function (Standard Serial I/O Mode)
Pin nameSignal nameI/OFunction
VCC,VSS
Power supply inputApply 4.50 V – 5.25 V for 5 V version or 3.00 V – 3.60 V for 3 V version to
the VCC pin. Apply 0 V to the Vss pin.
CNVSS
This controls the MCU operating mode. Connect this pin to VPP (= 4.50 V –
5.25 V
I
Reset inputTo reset, input “L” level for 20 cycles or longer clocks of
φ.
I
RESET
XIN
Clock input
Connect a ceramic or crystal resonator between the XIN and XOUT pins.
When inputting an externally derived clock, input it from XIN and leave
XOUT open.
XOUT
Clock output
AVCC, AVSS
Analog power supply input
LPFLPFO
Loop filter for the frequency synthesizer. When this pin is not used, leave
this open.
Ext.Cap
3.3 V line power supply input
I
P00 to P07
I/O
USB D+
USB D+ signal port. When this pin is not used, input “H” level.
USB D+
USB D-
P10 to P17
P80
BUSY output
P81
SCLK input
I/O
O
I
Apply 4.50 V – 5.25 V for 5 V version or 3.00 V – 3.60 V for 3 V version to
the AVCC pin. Apply 0 V to the AVss pin.
USB D- signal port. When this pin is not used, input “L” level.
Power supply input pin for 3.3 V USB line driver. When this pin is not used,
input “H” level.
When these ports are not used, input “L” or “H” level, or leave them open in
output mode.
I/O port P0
I/O
I/O port P1
I/O
P20 to P27
I/O port P2
P30 to P35, P37
I/O
P40 to P44
I/O port P3I/O
I/O port P4
I/O
P50 to P57
I/O port P5
I/O
P60 to P67
I/O port P6
I/O
P70 to P74
I/O port P7
This is a BUSY output pin.
This is a serial clock input pin.
P82
SRXD inputThis is a serial data input pin.
O
P83
STXDoutput
This is a serial data output pin.
P84 to P87
When these ports are not used, input “L” or “H” level, or leave them open in
output mode.
I/O port P8
I/O
P36
CE input
I
When these ports are not used, input “L” or “H” level, or leave them open in
output mode.
Input “H” level.
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