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AT89C5122D-RDRUM 数据表(PDF) 195 Page - ATMEL Corporation

部件名 AT89C5122D-RDRUM
功能描述  C51 Microcontroller with USB and Smart Card Reader Interfaces
PDF  208 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

AT89C5122D-RDRUM 数据表(HTML) 195 Page - ATMEL Corporation

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AT83R5122, AT8xC5122/23
4202F–SCR–07/2008
External Data Memory Read
Cycle
Serial Port Timing - Shift
Register Mode
Table 118.
Symbol Description (F = 40 MHz)
Table 119.
AC Parameters for a Variable Clock
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
Symbol
Type
Standard
Clock
X2 Clock
X parameter
Units
TXLXL
Min
12T
6 T
ns
TQVHX
Min
10T - x
5 T - x
50
ns
TXHQX
Min
2T - x
T - x
20
ns
TXHDX
Min
x
x
0
ns
TXHDV
Max
10T - x
5 T- x
133
ns



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