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AT89C51AC3-RDTUM 数据表(PDF) 129 Page - ATMEL Corporation

部件名 AT89C51AC3-RDTUM
功能描述  Enhanced 8-bit Microcontroller with 64KB Flash Memory
PDF  143 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

AT89C51AC3-RDTUM 数据表(HTML) 129 Page - ATMEL Corporation

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AT89C51AC3
4383B–8051–01/05
External Data Memory Write Cycle
External Data Memory Read Cycle
Serial Port Timing – Shift Register Mode
Table 79. Symbol Description (F = 40 MHz)
TQVWH
TLLAX
ALE
PSEN
WR
PORT 0
PORT 2
A0-A7
DATA OUT
ADDRESS
OR SFR-P2
TAVWL
TLLWL
TQVWX
ADDRESS A8-A15 OR SFR P2
TWHQX
TWHLH
TWLWH
ALE
PSEN
RD
PORT 0
PORT 2
A0-A7
DATA IN
ADDRESS
OR SFR-P2
TAVWL
TLLWL
TRLAZ
ADDRESS A8-A15 OR SFR P2
TRHDZ
TWHLH
TRLRH
TLLDV
TRHDX
TLLAX
TAVDV
Symbol
Parameter
TXLXL
Serial port clock cycle time
TQVHX
Output data set-up to clock rising edge
TXHQX
Output data hold after clock rising edge
TXHDX
Input data hold after clock rising edge
TXHDV
Clock rising edge to input data valid



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