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T89C51AC2-RLSI-M 数据表(PDF) 113 Page - ATMEL Corporation

部件名 T89C51AC2-RLSI-M
功能描述  8-bit MCU with 32K bytes Flash, 10 bits A/D and EEPROM
PDF  117 Pages
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制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

T89C51AC2-RLSI-M 数据表(HTML) 113 Page - ATMEL Corporation

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Draft.A - March 30, 2001
113
Preview - Confidential
T89C51AC2
18.4.8. Shift Register Timing Waveforms
18.4.9. External Clock Drive Characteristics (XTAL1)
Table 35. AC Parameters
Table 34. AC Parameters for a Variable Clock
Symbol
Type
Standard
Clock
X2 Clock
X parameter
for -M range
Units
TXLXL
Min
12 T
6 T
ns
TQVHX
Min
10 T - x
5 T - x
50
ns
TXHQX
Min
2 T - x
T - x
20
ns
TXHDX
Min
x
x
0
ns
TXHDV
Max
10 T - x
5 T- x
133
ns
Symbol
Parameter
Min
Max
Units
TCLCL
Oscillator Period
25
ns
TCHCX
High Time
5
ns
TCLCX
Low Time
5
ns
TCLCH
Rise Time
5
ns
TCHCL
Fall Time
5
ns
TCHCX/TCLCX
Cyclic ratio in X2 mode
40
60
%
VALID
VALID
INPUT DATA
VALID
VALID
01
2
3
4
5
6
8
7
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
CLEAR RI
TXLXL
TQVXH
TXHQX
TXHDV
TXHDX
SET TI
SET RI
INSTRUCTION
01
2
3
4
5
67
VALID
VALID
VALID
VALID



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