參數(shù)資料
型號(hào): M37542M2T-XXXGP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP32
封裝: 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32
文件頁數(shù): 130/139頁
文件大?。?/td> 1448K
代理商: M37542M2T-XXXGP
7542 Group
Rev.3.02
Oct 31, 2006
Page 90 of 134
REJ03B0006-0302
Pin name
Signal name
I/O
VCC,VSS
Power supply
I
CNVSS
I
RESET
Reset input
I
XIN
Clock input
I
XOUT
Clock output
O
VREF
Reference voltage input
I
P00–P03
I/O port P0
I/O
P04
RxD input
I
P05
TxD output
O
P06
SCLK input
I
P07
BUSY output
O
P10–P14
I/O port P1
I/O
P20–P27
I/O port P2
I/O
P30, P31, P33–P36
I/O port P3
I/O
P32
CE input
I
P37
RP input
I
(2) Standard serial I/O mode 2
Table 14 Description of pin function (standard serial I/O mode 2)
Function
Apply 2.7 to 5.5 V to the Vcc pin and 0 V to the Vss pin.
After input of port is set, input “H” level.
Reset input pin. System operates when RESET pin is set to “H” level after
CNVss pin is set to “H” level.
Connect an oscillation circuit between the XIN and XOUT pins.
As for the connection method, refer to the “clock generating circuit”.
(When system operates only by the on-chip oscillator, an external circuit is not
required.)
Apply reference voltage of A/D to this pin.
Input “L” or “H” level, or keep open.
Serial data input pin.
Serial data output pin.
Input “L” level.
BUSY signal output pin.
Input “L” or “H” level, or keep open.
Input “H” level.
Input “L” level.
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