M68HC16 Z SERIES
ELECTRICAL CHARACTERISTICS
USER’S MANUAL
A-49
Table A-29 Low Voltage SPI Timing
(V
DD
and V
DDSYN
= 2.7 to 3.6 Vdc, V
SS
= 0 Vdc, T
A
= T
L
to T
H
)
1
NOTES:
1. Refer to notes in
.
Num
Function
Symbol
Min
Max
Unit
1
Operating Frequency
Master
Slave
f
op
DC
DC
1/4
1/4
f
sys
f
sys
2
Cycle Time
Master
Slave
t
qcyc
4
4
510
—
t
cyc
t
cyc
3
Enable Lead Time
Master
Slave
t
lead
2
2
128
—
t
cyc
t
cyc
4
Enable Lag Time
Master
Slave
t
lag
—
2
1/2
—
SCK
t
cyc
5
Clock (SCK) High or Low Time
Master
Slave
2
t
sw
2 t
cyc
– 60
2 t
cyc
– n
255 t
cyc
—
ns
ns
6
Sequential Transfer Delay
Master
Slave (Does Not Require Deselect)
t
td
17
13
8192
—
t
cyc
t
cyc
7
Data Setup Time (Inputs)
Master
Slave
t
su
20
20
—
—
ns
ns
8
Data Hold Time (Inputs)
Master
Slave
t
hi
30
20
—
—
ns
ns
9
Slave Access Time
t
a
—
1
t
cyc
10
Slave MISO Disable Time
t
dis
—
2
t
cyc
11
Data Valid (after SCK Edge)
Master
Slave
t
v
—
—
50
50
ns
ns
12
Data Hold Time (Outputs)
Master
Slave
t
ho
0
0
—
—
ns
ns
13
Rise Time
Input
Output
t
ri
t
ro
—
—
2
30
µ
s
ns
14
Fall Time
Input
Output
t
fi
t
fo
—
—
2
30
µ
s
ns
F
re
e
sc
a
le
S
e
m
ic
o
n
d
u
c
to
r,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
c
.
..