參數資料
型號: M37516E6HP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PQFP48
封裝: 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48
文件頁數: 59/90頁
文件大?。?/td> 1144K
代理商: M37516E6HP
Rev.1.01
Jul 01, 2003
page 62 of 89
7516 Group
Table 16 Description of pin function (Standard Serial I/O Mode)
Pin
Description
VCC,VSS
Apply program/erase protection voltage to Vcc pin and 0 V to Vss pin.
CNVSS
Connect to VCC when VCC = 4.5 V to 5.5 V.
Connect to Vpp (=4.5 V to 5.5 V) when VCC = 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 XIN pin.
XIN
Connect a ceramic resonator or crystal oscillator between XIN and
XOUT pins. To input an externally generated clock, input it to XIN pin
and open XOUT pin.
XOUT
Name
Power input
CNVSS
Reset input
Clock input
Clock output
I/O
I
O
AVSS
VREF
Connect AVSS to VSS .
Enter the reference voltage for AD from this pin, or open.
P00 to P07
Input “H” or “L”, or open.
P10 to P17
Input “H” or “L”, or open.
P20 to P23
This pin is for serial data input.
Analog power supply input
Reference voltage input
Input port P0
Input port P1
Input port P2
I
P41
Input “H” when RESET is released only.
P40, P42 to P47
P24
This pin is for serial data output.
P25
P26
This pin is for serial clock input.
P27
Input port P4
RxD input
TxD output
SCLK input
BUSY output
I
P30 to P37
Input port P3I
O
Input “H” or “L”, or open.
This pin is for BUSY signal output.
Input “H” or “L”, or open.
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