參數(shù)資料
型號(hào): T89C51AC2-SLSIM
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: Enhanced 8-bit Microcontroller with 32 KB Flash Memory
中文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 156/170頁
文件大小: 1927K
代理商: T89C51AC2-SLSIM
156
A/T89C51CC01
4129L–CAN–08/05
External Data Memory Write Cycle
External Data Memory Read Cycle
Serial Port Timing – Shift Register Mode
Table 129.
Symbol Description (F = 40 MHz)
T
QVWH
T
LLAX
ALE
PSEN
WR
PORT 0
PORT 2
A0-A7
DATA OUT
ADDRESS
OR SFR-P2
T
AVWL
T
LLWL
T
QVWX
ADDRESS A8-A15 OR SFR P2
T
WHQX
T
WHLH
T
WLWH
ALE
PSEN
RD
PORT 0
PORT 2
A0-A7
DATA IN
ADDRESS
OR SFR-P2
T
AVWL
T
LLWL
T
RLAZ
ADDRESS A8-A15 OR SFR P2
T
RHDZ
T
WHLH
T
RLRH
T
LLDV
T
RHDX
T
LLAX
T
AVDV
Symbol
Parameter
T
XLXL
Serial port clock cycle time
T
QVHX
Output data set-up to clock rising edge
T
XHQX
Output data hold after clock rising edge
T
XHDX
Input data hold after clock rising edge
T
XHDV
Clock rising edge to input data valid
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