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参数资料
| 型号： | M38227MCA-XXXHP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 5 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80 |
| 文件页数： | 34/59页 |
| 文件大小： | 900K |
| 代理商： | M38227MCA-XXXHP |
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Rev.1.20
Dec 24, 2003
page 4 of 57
3822 Group (A ver.)
PIN DESCRIPTION
Table 1 Pin description (1)
VCC, VSS
Function
Pin
Name
Function except a port function
LCD segment output pins
Power source
Apply voltage of power source to VCC, and 0 V to VSS. (For the limits of VCC, refer to “Recom-
mended operating conditions”).
VREF
AVSS
RESET
XIN
XOUT
VL1–VL3
COM0–COM3
SEG0–SEG11
P00/SEG16–
P07/SEG23
P10/SEG24–
P17/SEG31
P20 – P27
P34/SEG12 –
P37/SEG15
Analog refer-
ence voltage
Analog power
source
Reset input
Clock input
Clock output
LCD power
source
Common output
Segment output
I/O port P0
I/O port P1
I/O port P2
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.
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 I/O port.
CMOS compatible input level.
CMOS 3-state output structure.
I/O direction register allows each port to be individually
programmed as either input or output.
Pull-down control is enabled.
8-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.
4-bit input port.
CMOS compatible input level.
Pull-down control is enabled.
Key input (key-on wake-up) interrupt
input pins
LCD segment output pins
Input port P3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M38227RFS | 制造商:Renesas Electronics Corporation 功能描述:MCU - Trays |
| M3823 BK001 | 制造商:Alpha Wire Company 功能描述:CBL 30COND 18AWG BLK 1000' |
| M3823 BK002 | 制造商:Alpha Wire Company 功能描述:CBL 30COND 18AWG BLK 500' |
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| M38234G4FP#U0 | 功能描述:MCU 2/5V 16K 80-QFP QZ-ROM RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:740/38000 标准包装:250 系列:80C 核心处理器:8051 芯体尺寸:8-位 速度:16MHz 连通性:EBI/EMI，I²C，UART/USART 外围设备:POR，PWM，WDT 输入/输出数:40 程序存储器容量:- 程序存储器类型:ROMless EEPROM 大小:- RAM 容量:256 x 8 电压 - 电源 (Vcc/Vdd):4.5 V ~ 5.5 V 数据转换器:A/D 8x10b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:68-LCC（J 形引线） 包装:带卷 (TR) |
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