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MC68HC908GT16 Datasheet, PDF (399/412 Pages) Motorola, Inc – Microcontrollers
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Electrical Specifications
5.0-V SPI Characteristics
23.17 5.0-V SPI Characteristics
Diagram
Number(1)
Characteristic(2)
Symbol
Min
Max
Unit
Operating frequency
Master
Slave
fOP(M)
fOP(S)
fOP/128
dc
fOP/2
fOP
MHz
MHz
Cycle time
1
Master
Slave
2
Enable lead time
3
Enable lag time
tCYC(M)
2
tCYC(S)
1
tLead(S)
1
tLag(S)
1
128
tCYC
—
tCYC
—
tCYC
—
tCYC
Clock (SPSCK) high time
4
Master
Slave
tSCKH(M)
tCYC –25
64 tCYC
ns
tSCKH(S) 1/2 tCYC –25
—
ns
Clock (SPSCK) low time
5
Master
Slave
tSCKL(M)
tCYC –25
64 tCYC
ns
tSCKL(S)
1/2 tCYC –25
—
ns
Data setup time (inputs)
6
Master
Slave
tSU(M)
30
tSU(S)
30
—
ns
—
ns
Data hold time (inputs)
7
Master
Slave
Access time, slave(3)
8
CPHA = 0
CPHA = 1
9
Disable time, slave(4)
Data valid time, after enable edge
10
Master
Slave(5)
tH(M)
30
tH(S)
30
tA(CP0)
0
tA(CP1)
0
tDIS(S)
—
tV(M)
—
tV(S)
—
—
ns
—
ns
40
ns
40
ns
40
ns
50
ns
50
ns
Data hold time, outputs, after enable edge
11
Master
tHO(M)
0
Slave
tHO(S)
0
—
ns
—
ns
1. Numbers refer to dimensions in Figure 23-15 and Figure 23-16.
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
MC68HC908GT16 • MC68HC908GT8 — Rev. 2
MOTOROLA
Electrical Specifications
Technical Data
399
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