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MC68HC908GP32 Datasheet, PDF (386/410 Pages) Motorola, Inc – M68HC08 Family of 8-bit microcontroller units (MCUs)
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Freescale Semiconductor, Inc.
Electrical Specifications
23.15 3.0-V SPI Characteristics
Diagram
Number(1)
Characteristic(2)
Symbol
Min
Max
Operating frequency
Master
Slave
fOP(M)
fOP(S)
fOP/128
dc
fOP/2
fOP
Cycle time
1
Master
Slave
tCYC(M)
2
128
tCYC(S)
1
—
2
Enable lead time
tLead(s)
1
—
3
Enable lag time
tLag(s)
1
—
Clock (SPSCK) high time
4
Master
Slave
tSCKH(M)
tSCKH(S)
tCYC –35
1/2 tCYC –35
64 tCYC
—
Clock (SPSCK) low time
5
Master
Slave
tSCKL(M)
tSCKL(S)
tCYC –35
1/2 tCYC –35
64 tCYC
—
Data setup time (inputs)
6
Master
Slave
tSU(M)
40
—
tSU(S)
40
—
Data hold time (inputs)
7
Master
Slave
Access time, slave(3)
8
CPHA = 0
CPHA = 1
9
Disable time, slave(4)
tH(M)
40
—
tH(S)
40
—
tA(CP0)
0
50
tA(CP1)
0
50
tDIS(S)
—
50
Data valid time, after enable edge
10
Master
Slave(5)
tV(M)
—
60
tV(S)
—
60
Data hold time, outputs, after enable edge
11
Master
Slave
tHO(M)
0
—
tHO(S)
0
—
Notes:
1. Numbers refer to dimensions in Figure 23-16 and Figure 23-17.
2. All timing is shown with respect to 20% VDD and 70% VDD, unless noted; 100 pF load on all SPI pins.
3. Time to data active from high-impedance state
4. Hold time to high-impedance state
5. With 100 pF on all SPI pins
Unit
MHz
MHz
tCYC
tCYC
tCYC
tCYC
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Technical Data
384
MC68HC908GP32•MC68HC08GP32 — Rev. 6
Electrical Specifications
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