mc68hc11d0 Freescale Semiconductor, Inc, mc68hc11d0 Datasheet - Page 112

• Manufacturer Part Number: mc68hc11d0
• Description: Mc68hc11d0 Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

A-8
NOTES:
Frequency of Operation (E-Clock Frequency)
E-Clock Period
Peripheral Data Setup Time
Peripheral Data Hold Time
Delay Time, Peripheral Data Write
MCU Read of Ports A, B, C, and D
MCU Read of Ports A, B, C, and D
MCU Write to Port A
MCU Writes to Ports B, C, and D
t
1. Port C and D timing is valid for active drive (CWOM and DWOM bits not set in PIOC and SPCR registers respec-
2. All timing is shown with respect to 20% V
PWD
A, B, C, D
tively).
PORT A
PORTS
B, C, D
PORTS
= 1/4 t
E
E
cyc
+ 150 ns
Characteristic
PREVIOUS PORT DATA
Freescale Semiconductor, Inc.
Figure A-6 Port Write Timing Diagram
Figure A-7 Port Read Timing Diagram
For More Information On This Product,
Table A-5 Peripheral Port Timing
ELECTRICAL CHARACTERISTICS
MCU WRITE TO PORT
PREVIOUS PORT DATA
MCU READ OF PORT
Go to: www.freescale.com
DD
and 70% V
Symbol
t
t
PDSU
t
PWD
t
PDH
cyc
f
t PWD
o
DD
1000
, unless otherwise noted.
Min
100
dc
50
—
—
1.0 MHz
t PDSU
Max
200
350
1.0
—
—
—
Min
500
100
NEW DATA VALID
t PWD
50
dc
—
—
t PDH
2.0 MHz
Max
200
225
2.0
—
—
—
NEW DATA VALID
TECHNICAL DATA
Min
333
100
dc
50
—
—
3.0 MHz
D3 PORT WRITE TIM
Max
D3 PORT READ TIM
200
183
3.0
—
—
—
MHz
Unit
ns
ns
ns
ns
ns