参数资料
型号: TSC87C52-12AIR
厂商: ATMEL CORP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, CQCC44
封装: CERAMIC, QPJ-44
文件页数: 13/24页
文件大小: 181K
代理商: TSC87C52-12AIR
TSC87C52
20
Rev. D – December 14, 1998
External Data Memory Read Cycle
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
TAVDV
TLLAX
Serial Port Timing – Shift Register Mode
Symbol
Parameter
0 to 12MHz
Units
Symbol
Parameter
Min
Max
Units
TXLXL
Serial port clock cycle time
12TCLCL
ns
TQVHX
Output data set–up to clock rising edge
10TCLCL–133
ns
TXHQX
Output data hold after clock rising edge
2TCLCL–117
ns
TXHDX
Input data hold after clock rising edge
0
ns
TXHDV
Clock rising edge to input data valid
10TCLCL–133
ns
Shift Register Timing Waveforms
VALID
INPUT DATA
VALID
0
1
23
45
6
8
7
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
CLEAR RI
TXLXL
TQVXH
TXHQX
TXHDV
TXHDX
SET TI
SET RI
INSTRUCTION
0
1
2
345
67
VALID
相关PDF资料
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