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AT89C51AC3-RDTIM 数据表(PDF) 23 Page - ATMEL Corporation

部件名 AT89C51AC3-RDTIM
功能描述  Enhanced 8-bit Microcontroller with 64KB Flash Memory
PDF  140 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-RDTIM 数据表(HTML) 23 Page - ATMEL Corporation

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AT89C51AC3
4383D–8051–02/08
Figure 11. External Data Read Waveforms
Notes:
1. RD# signal may be stretched using M0 bit in AUXR register.
2. When executing MOVX @Ri instruction, P2 outputs SFR content.
Figure 12. External Data Write Waveforms
Notes:
1. WR# signal may be stretched using M0 bit in AUXR register.
2. When executing MOVX @Ri instruction, P2 outputs SFR content.
ALE
P0
P2
RD#1
DPL or Ri
D7:0
DPH or P22
P2
CPU Clock
ALE
P0
P2
WR#1
DPL or Ri
D7:0
P2
CPU Clock
DPH or P22



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