mc68hc11k4 Freescale Semiconductor, Inc, mc68hc11k4 Datasheet - Page 263

• Manufacturer Part Number: mc68hc11k4
• Description: Mc68hc11k1 Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

12.9 Peripheral Port Timing
M68HC11K Family
MOTOROLA
Frequency of operation (E clock)
E-clock period
Peripheral data setup time
Peripheral data hold time
Delay time, peripheral data write
1. V
2. Ports C and D timing is valid only in active drive mode. (CWOM and DWOM bits are cleared in OPT2 and SPCR registers,
MCU read of ports A, B, C, D, E,
MCU read of ports A, B, C, D, E,
Standard devices
Extended voltage
All timing measurements refer to 20% V
respectively.)
F, G, and H
F, G, and H
MCU write to port A, B, G, and H
MCU write to ports C, D, and F
MCU write to port A, B, G, and H
MCU write to ports C, D, and F
DD
(t
(t
PWD
PWD
= 4.5 to 5.5 Vdc for standard devices, V
= 1/4 t
= 1/4 t
Characteristic
cyc
cyc
+ 100 ns)
+ 150 ns)
(2)
(1)
Freescale Semiconductor, Inc.
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DD
and 70% V
Go to: www.freescale.com
Symbol
SS
Electrical Characteristics
t
t
t
PDSU
t
PWD
PDH
= 0 Vdc, T
f
cyc
o
DD
1000
, unless otherwise noted.
Min
100
50
A
dc
—
—
—
—
1.0 MHz
= T
L
to T
Max
200
350
250
400
1.0
—
—
H
Min
500
100
dc
50
—
—
—
—
2.0 MHz
Max
200
225
250
225
2.0
—
—
Min
333
100
dc
50
—
—
—
—
3.0 MHz
Max
200
183
250
233
3.0
Electrical Characteristics
—
—
Peripheral Port Timing
Min
250
100
dc
50
—
—
—
—
4.0 MHz
Technical Data
Max
200
162
4.0
—
—
—
—
MHz
Unit
ns
ns
ns
ns
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