參數(shù)資料
型號(hào): MC68HC811D3VFN4
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: ROM-based high-performance microcontrollers
中文描述: 基于ROM的高性能微控制器
文件頁數(shù): 112/124頁
文件大小: 840K
代理商: MC68HC811D3VFN4
ELECTRICAL CHARACTERISTICS
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% V
DD
and 70% V
DD
, 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
Min
dc
1000
100
2.0 MHz
Min
dc
500
100
3.0 MHz
Min
dc
333
100
Unit
Max
1.0
Max
2.0
Max
3.0
Frequency of Operation (E-Clock Frequency)
E-Clock Period
Peripheral Data Setup Time
MCU Read of Ports A, B, C, and D
Peripheral Data Hold Time
MCU Read of Ports A, B, C, and D
Delay Time, Peripheral Data Write
f
o
MHz
ns
ns
t
cyc
t
PDSU
t
PDH
50
50
50
ns
MCU Write to Port A
MCU Writes to Ports B, C, and D
t
PWD
= 1/4 t
cyc
+ 150 ns
t
PWD
200
350
200
225
200
183
ns
ns
D3 PORT WRITE TIM
tPWD
E
MCU WRITE TO PORT
PREVIOUS PORT DATA
PREVIOUS PORT DATA
NEW DATA VALID
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
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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