參數(shù)資料
型號: MC68HC11D3CFB
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 2 MHz, MICROCONTROLLER, PQFP44
封裝: QFP-44
文件頁數(shù): 16/131頁
文件大?。?/td> 1640K
代理商: MC68HC11D3CFB
MOTOROLA
ELECTRICAL CHARACTERISTICS
MC68HC11D3
A-8
TECHNICAL DATA
NOTES:
1. Port C and D timing is valid for active drive (CWOM and DWOM bits not set in PIOC and SPCR registers respec-
tively).
2. All timing is shown with respect to 20% VDD and 70% VDD, unless otherwise noted.
Figure A-6 Port Write Timing Diagram
Figure A-7 Port Read Timing Diagram
Table A-5 Peripheral Port Timing
Characteristic
Symbol
1.0 MHz
2.0 MHz
3.0 MHz
Unit
Min
Max
Min
Max
Min
Max
Frequency of Operation (E-Clock Frequency)
fo
dc
1.0
dc
2.0
dc
3.0
MHz
E-Clock Period
tcyc
1000
500
333
ns
Peripheral Data Setup Time
MCU Read of Ports A, B, C, and D
tPDSU
100
100
100
ns
Peripheral Data Hold Time
MCU Read of Ports A, B, C, and D
tPDH
50
50
50
ns
Delay Time, Peripheral Data Write
MCU Write to Port A
MCU Writes to Ports B, C, and D
tPWD = 1/4 tcyc + 150 ns
tPWD
200
350
200
225
200
183
ns
D3 PORT WRITE TIM
t PWD
E
MCU WRITE TO PORT
PREVIOUS PORT DATA
NEW DATA VALID
PORTS
B, C, D
PORT A
tPWD
tPDH
E
MCU READ OF PORT
tPDSU
PORTS
A, B, C, D
D3 PORT READ TIM
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