FN2950.3 April 26, 2006 FIGURE 20. OTHER TIMING NOTES: 1. DR bit D7 in USR is updated each time DR changes state. TDRH always from trailing edg" />
參數(shù)資料
型號: CP82C52Z
廠商: Intersil
文件頁數(shù): 10/20頁
文件大?。?/td> 0K
描述: IC UART/BRG 5V 16MHZ 28-PDIP
標準包裝: 143
特點: 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
18
FN2950.3
April 26, 2006
FIGURE 20. OTHER TIMING
NOTES:
1. DR bit D7 in USR is updated each time DR changes state. TDRH always from trailing edge of 11th CO(BRG) in last Stop bit.
2. INTR on receive flags OE, FE, PE, and RBRK: INTEN enabled; Respective USR bits updated at this time regardless of interrupt configuration.
- INT on OE, FE, PE, RBRK occurs from the trailing edge of the 11th CO(BRG) in the last Stop bit. To avoid OE, RD(RBR) must go low by the
trailing edge of the 8th CO(BRG) in the last Stop bit.
3. INTR on MS: INTEN and MIEN enabled; USR bit D4(MS) is updated at this time regardless of INTEN/MIEN.
- INTR on MS occurs whenever CTS or DSR input changes state.
UART Timing Characterization (Continued)
INTR
DSR
/CTS
RD
RTS
/DTR
WR
(23)
TRLIL
(22)
TIHM
MSR
(27)
TWHO
MCR
NOTE 3
82C52
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