参数资料
型号: IS82C52
厂商: Intersil
文件页数: 15/20页
文件大小: 0K
描述: IC PERIPH UART/BRG 16MHZ 28-PLCC
标准包装: 37
特点: 单芯片 UART/BRG
通道数: 1,UART
规程: RS232C
电源电压: 4.5 V ~ 5.5 V
带并行端口:
带故障启动位检测功能:
带调制解调器控制功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 28-LCC(J 形引线)
供应商设备封装: 28-PLCC(11.51x11.51)
包装: 管件
4
FN2950.3
April 26, 2006
SDI
25
I
High
SERIAL DATA INPUT: Serial data input to the 82C52 receiver circuits. A Mark (1) is high, and a
Space (0) is low. Data inputs on SDI are disabled when operating in the loop mode or when RST is
true.
DR
26
O
High
DATA READY: A true level indicates that a character has been received, transferred to the RBR, and
is ready for transfer to the CPU. DR is reset on a data READ of the Receiver Buffer Register (RBR)
or when RST is true.
VCC
27
High
VCC: +5V positive power supply pin. A 0.1F decoupling capacitor from VCC (Pin 27) to GND (Pin
16) is recommended.
CS0
28
I
Low
CHIP SELECT: The chip select input acts as an enable signal for the RD and WR input signals.
Pin Description (Continued)
SYMBOL
PIN
NO.
TYPE
ACTIVE
LEVEL
DESCRIPTION
82C52
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