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MC912DG128ACPVE Datasheet, PDF (437/478 Pages) Freescale Semiconductor, Inc – Upward compatible with M68HC11 instruction set
Freescale Semiconductor, Inc.
Electrical Specifications
Tables of Data
Table 21-15. SPI Timing
(VDD = 5.0 Vdc ±10%, VSS = 0 Vdc, TA = TL to TH , 200 pF load on all SPI pins)(1)
Num
Function
Symbol
Min
Max
Operating Frequency
Master
Slave
fop
1/256
1/2
1/256
1/2
SCK Period
Master
Slave
tsck
2
256
2
—
Enable Lead Time
Master
Slave
tlead
1/2
—
1
—
Enable Lag Time
Master
Slave
tlag
1/2
—
1
—
Clock (SCK) High or Low Time
Master
Slave
Sequential Transfer Delay
Master
Slave
twsck
ttd
tcyc − 30
tcyc − 30
1/2
1
128 tcyc
—
—
—
Data Setup Time (Inputs)
Master
Slave
Data Hold Time (Inputs)
Master
Slave
Slave Access Time
Slave MISO Disable Time
Data Valid (after SCK Edge)
Master
Slave
Data Hold Time (Outputs)
Master
Slave
tsu
30
—
30
—
thi
0
—
30
—
ta
—
1
tdis
—
1
tv
—
50
—
50
tho
0
—
0
—
Rise Time
Input
Output
Fall Time
Input
Output
tri
—
tcyc − 30
tro
—
30
tfi
—
tcyc − 30
tfo
—
30
1. All AC timing is shown with respect to 20% VDD and 70% VDD levels unless otherwise noted.
Unit
feclk
tcyc
tcyc
tsck
tcyc
tsck
tcyc
ns
ns
tsck
tcyc
ns
ns
ns
ns
tcyc
tcyc
ns
ns
ns
ns
ns
ns
ns
ns
MC68HC912DT128A — Rev 4.0
MOTOROLA
Electrical Specifications
For More Information On This Product,
Go to: www.freescale.com
Technical Data
437