参数资料
型号: MCC68HC711D3
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 3 MHz, MICROCONTROLLER, UUC
封装: DIE
文件页数: 32/157页
文件大小: 2252K
代理商: MCC68HC711D3
Electrical Characteristics
Peripheral Port Timing
MC68HC711D3 — Rev. 2
Data Sheet
MOTOROLA
Electrical Characteristics
127
9.7 Peripheral Port Timing
Figure 9-8. Port Write Timing Diagram
Figure 9-9. Port Read Timing Diagram
Characteristic(1)
Symbol
1.0 MHz
2.0 MHz
3.0 MHz
Unit
Min
Max
Min
Max
Min
Max
Frequency of operation (E-clock frequency)
fO
1.0
2.0
3.0
MHz
E-clock period
tCYC
1000
500
333
ns
Peripheral data setup time(2)
MCU read of ports A, B, C, and D
tPDSU
100
100
100
ns
Peripheral data hold time(2)
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
1. VDD = 5.0 Vdc ± 10%, VSS = 0 Vdc, TA = TL to TH. All timing is shown with respect to 20% VDD and 70% VDD, unless
otherwise noted.
2. Port C and D timing is valid for active drive (CWOM and DWOM bits not set in PIOC and SPCR registers respectively).
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
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