参数资料
型号: MC68HC11F1CFN4R2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, EEPROM, 4 MHz, MICROCONTROLLER, PQCC68
封装: PLASTIC, LCC-68
文件页数: 51/163页
文件大小: 711K
代理商: MC68HC11F1CFN4R2
MOTOROLA
ELECTRICAL CHARACTERISTICS
MC68HC11F1
A-10
TECHNICAL DATA
NOTES:
1. Ports C, D, and G timing is valid for active drive (CWOM, DWOM, and GWOM bits cleared).
2. All timing is shown with respect to 20% VDD and 70% VDD, unless otherwise noted.
Figure A-7 Port Read Timing Diagram
Figure A-8 Port Write Timing Diagram
Table A-5 Peripheral Port Timing
VDD = 5.0 Vdc ± 5%, VSS = 0 Vdc, TA = TL to TH
Characteristic
Symbol
2.0 MHz
3.0 MHz
4.0 MHz
Unit
Min
Max
Min
Max
Min
Max
Frequency of Operation (E-Clock Frequency)
fo
dc
2.0
dc
3.0
dc
4.0
MHz
E-Clock Period
tcyc
500
333
250
ns
Peripheral Data Setup Time
(MCU Read of Ports A, C, D, E, G)
tPDSU
100
100
100
ns
Peripheral Data Hold Time
(MCU Read of Ports A, C, D, E, G)
tPDH
50—50—50—
ns
Delay Time, Peripheral Data Write
(MCU Write to Port A)
(MCU Write to Ports B, C, D, F, and G
tPWD = 1/4 tcyc + 100 ns)
tPWD
200
225
200
183
200
162
ns
E
MCU READ OF PORT
tPDSU
PORTS A, C, D, F
PORTS B, E, G
tPDH
tPDSU
tPDH
tPWD
E
MCU WRITE TO PORT
PREVIOUS PORT DATA
NEW DATA VALID
PORTS C, D, F
PORTS A, B, G
tPWD
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