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) i" />
參數(shù)資料
型號: CP82C52Z
廠商: Intersil
文件頁數(shù): 15/20頁
文件大?。?/td> 0K
描述: IC UART/BRG 5V 16MHZ 28-PDIP
標(biāo)準(zhǔn)包裝: 143
特點(diǎn): 單芯片 UART/BRG
通道數(shù): 1,UART
規(guī)程: RS232C
電源電壓: 4.5 V ~ 5.5 V
帶并行端口:
帶故障啟動位檢測功能:
帶調(diào)制解調(diào)器控制功能:
帶CMOS:
安裝類型: 通孔
封裝/外殼: 28-DIP(0.600",15.24mm)
供應(yīng)商設(shè)備封裝: 28-PDIP
包裝: 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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