mc68hc908mr32 Freescale Semiconductor, Inc, mc68hc908mr32 Datasheet - Page 269

• Manufacturer Part Number: mc68hc908mr32
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

19.8 Serial Peripheral Interface Characteristics
Freescale Semiconductor
1. V
2. Numbers refer to dimensions in
3. Time to data active from high-impedance state
4. Hold time to high-impedance state
5. With 100 pF on all SPI pins
Number
Diagram
load on all SPI pins
DD
10
1
2
3
4
5
6
7
8
9
= 5.0 Vdc ± 10%, all timing is shown with respect to 20% V
(1)
Operating frequency
Cycle time
Enable lead time
Enable lag time
Clock (SPCK) high time
Clock (SPCK) low time
Data setup time (inputs)
Data hold time (inputs)
Access time, slave
Disable time, slave
Data valid time after enable edge
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
CPHA = 0
CHPA = 1
Master
Slave
(5)
MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
Characteristic
Figure 19-1
(3)
(4)
and
(2)
Figure
19-2.
DD
and 70% V
Symbol
t
t
t
t
t
t
SCKH(M)
t
SCKH(S)
SCKL(M)
SCKL(S)
t
t
t
t
f
CYC(M)
Lead(S)
t
f
CYC(S)
t
A(CP0)
A(CP1)
OP(M)
Lag(S)
SU(M)
t
DIS(S)
t
OP(S)
SU(S)
t
t
H(M)
H(S)
V(M)
V(S)
DD
Serial Peripheral Interface Characteristics
, unless otherwise noted; assumes 100 pF
f
OP
Min
100
100
dc
15
15
50
50
45
15
—
—
—
/128
2
1
5
0
0
0
f
Max
OP
128
f
40
20
25
10
40
—
—
—
—
—
—
—
—
—
—
—
OP
/2
MHz
Unit
t
CYC
ns
ns
ns
ns
ns
ns
ns
ns
ns
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