MC912DG128A Motorola, MC912DG128A Datasheet - Page 369

• Manufacturer Part Number: MC912DG128A
• Description: Microcontrollers
• Manufacturer: Motorola

19-elec
MOTOROLA
Num
1. All AC timing is shown with respect to 20% V
Operating Frequency
Master
Slave
SCK Period
Master
Slave
Enable Lead Time
Master
Slave
Enable Lag Time
Master
Slave
Clock (SCK) High or Low Time
Master
Slave
Sequential Transfer Delay
Master
Slave
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
Rise Time
Input
Output
Fall Time
Input
Output
(V
DD
5.0 Vdc 10%, V
Function
SS
Table 79 SPI Timing
DD
Electrical Characteristics
0 Vdc, T
and 70% V
A
DD
T
L
levels unless otherwise noted.
to T
Symbol
t
t
t
wsck
t
t
f
lead
t
t
sck
t
t
t
t
lag
t
dis
t
op
t
ho
t
H
su
td
ro
fo
hi
a
ri
v
fi
, 200 pF load on all SPI pins)
t
t
cyc
cyc
1/256
1/256
Min
1 2
1 2
1 2
30
30
30
—
—
—
—
—
—
—
—
2
2
1
1
1
0
0
0
60
30
MC68HC912DT128A Rev 2.0
Electrical Characteristics
t
t
128 t
cyc
cyc
Max
256
1 2
1 2
50
50
30
30
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
1
cyc
30
30
(1)
Tables of Data
Unit
f
t
t
t
t
t
t
t
t
t
t
eclk
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
cyc
cyc
sck
cyc
sck
cyc
sck
cyc
cyc
cyc
369