mc68hc05pv8a Freescale Semiconductor, Inc, mc68hc05pv8a Datasheet - Page 188

• Manufacturer Part Number: mc68hc05pv8a
• Description: Mc68hc05pv8a Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Technical Data
16.14 Fast Peripheral Interface Timing
(V
Technical Data
DEN/AS Rise and Fall Time
Pulse Width AS, DEN high
Address, CS, RW setup time
Address, CS, RW hold time
Read data setup time
Read data hold time
Write data setup time
Write data hold time
DD
= 5.0Vdc 10%, V
PB0/AS
PB2/DEN
PB3/CS
PB1/RW
PA3:0
Characteristic
1
SS
2
= 0Vdc, T
NOTES:
1. The first cycle denotes a read, the second a write cycle.
2. Unlike in the HC11 AS and DEN occur only when accessing the external memory if not
3. OSC1/OSC2 input clock other than 50% duty cycle affect bus performance.
4. All timing is shown with respect to 20% V
3
Freescale Semiconductor, Inc.
enabled continuously.
A3:0
For More Information On This Product,
J
1
4
= –40 C to +125 C, unless otherwise noted)
Figure 16-4 Timing definition
Symbol
R/W
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Electrical Specifications
t
t
t
t
DHW
PW
DSW
t
t
DSR
DHR
AS
AH
t
t
R
F
1
D3:0
5
Min
100
210
49
22
50
30
30
-
-
1
6
Max
25
25
-
-
-
-
-
-
-
DD
A3:0
and 70% V
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
MC68HC(8)05PV8/A — Rev. 1.9
R/W
DD
, unless otherwise noted.
7
D3:0
Comment
8
See
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See
See
See