mc68hc908gt8 Freescale Semiconductor, Inc, mc68hc908gt8 Datasheet - Page 270

• Manufacturer Part Number: mc68hc908gt8
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Electrical Specifications
20.18 3.0-V SPI Characteristics
270
1. Numbers refer to dimensions in
2. All timing is shown with respect to 20% V
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
10
11
1
2
3
4
5
6
7
8
9
(1)
Operating frequency
Cycle time
Enable lead time
Enable lag time
Clock (SPSCK) high time
Clock (SPSCK) low time
Data setup time (inputs)
Data hold time (inputs)
Access time, slave
Disable time, slave
Data valid time, after enable edge
Data hold time, outputs, after enable edge
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
CPHA = 0
CPHA = 1
Master
Slave
Master
Slave
MC68HC908GT16 • MC68HC908GT8 • MC68HC08GT16 Data Sheet, Rev. 5.0
(5)
Characteristic
(3)
Figure 20-17
(4)
DD
(2)
and 70% V
and
Figure
DD
20-18.
, unless noted; 100 pF load on all SPI pins.
Symbol
t
t
t
t
t
SCKH(M)
t
t
SCKH(S)
SCKL(M)
SCKL(S)
t
t
t
t
f
CYC(M)
t
t
f
CYC(S)
Lead(s)
t
t
A(CP0)
A(CP1)
OP(M)
SU(M)
t
DIS(S)
t
HO(M)
OP(S)
Lag(s)
SU(S)
t
t
HO(S)
H(M)
H(S)
V(M)
V(S)
1/2 t
1/2 t
t
t
f
CYC
CYC
OP
Min
CYC
CYC
dc
40
40
40
40
—
—
—
/128
2
1
1
1
0
0
0
0
–35
–35
–35
–35
Freescale Semiconductor
64 t
64 t
f
Max
OP
128
f
50
50
50
60
60
—
—
—
—
—
—
—
—
—
—
—
OP
CYC
CYC
/2
MHz
MHz
Unit
t
t
t
t
CYC
CYC
CYC
CYC
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns