參數(shù)資料
型號(hào)： M38258MCMXXXGP
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP100
封裝： 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100
文件頁(yè)數(shù)： 67/73頁(yè)
文件大小： 1323K
代理商： M38258MCMXXXGP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
3825 Group
4
PIN DESCRIPTION
Table 1. Pin description (1)
Function
Apply voltage of power source to VCC, and 0 V to VSS. (For the limits of VCC, refer to “Recom-
mended operating conditions”.)
Reference voltage input pin for A-D converter.
GND input pin for A-D converter.
Connect to VSS.
Reset input pin for active “L”
Input and output pins for the main clock generating circuit.
Feedback resistor is built in between XIN pin and XOUT pin.
Connect a ceramic resonator or a quartz-crystal oscillator between the XIN and XOUT pins to set
the oscillation frequency.
If an external clock is used, connect the clock source to the XIN pin and leave the XOUT pin open.
This clock is used as the oscillating source of system clock.
Input 0
≤ VL1 ≤ VL2 ≤ VL3 ≤ VCC voltage
Input 0 – VL3 voltage to LCD
External capacitor pins for a voltage multiplier (3 times) of LCD contorl.
LCD common output pins
COM2 and COM3 are not used at 1/2 duty ratio.
COM3 is not used at 1/3 duty ratio.
LCD segment output pins
8-bit output port
CMOS 3-state output structure
Pull-down control is enabled.
Port output control is enabled.
6-bit output port
CMOS 3-state output structure
Pull-down control is enabled.
Port output control is enabled.
2-bit I/O port
CMOS compatible input level
CMOS 3-state output structure
I/O direction register allows each pin to be individually programmed as either input or output.
Pull-up control is enabled.
8-bit Input port
CMOS compatible input level
CMOS 3-state output structure
I/O direction register allows each pin to be individually
programmed as either input or output.
Pull-up control is enabled.
8-bit output port
CMOS 3-state output structure
Pull-down control is enabled.
Port output control is enabled.
LCD segment pins
Key input (key-on wake up) interrupt
input pins
LCD segment pins
Pin
VCC, VSS
VREF
AVSS
RESET
XIN
XOUT
VL1 – VL3
C1, C2
COM0 – COM3
SEG0 – SEG17
P00/SEG26 –
P07/SEG33
P10/SEG34 –
P15/SEG39
P16, P17
P20 – P27
P30/SEG18 –
P37/SEG25
Name
Power source
Analog reference
voltage
Analog power
source
Reset input
Clock input
Clock output
LCD power source
Charge-pump
capacitor pin
Common output
Segment output
Output port P0
Output port P1
I/O port P1
I/O port P2
Output port P3
Function except a port function
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