MC9S08QE32 Datasheet, PDF (22/44 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit (CPU)

Electrical Characteristics
Table 13. SPI Timing
No. C
Function
Symbol
Min
Max
Unit
Operating frequency
— D Master
Slave
SPSCK period
1 D Master
Slave
Enable lead time
2 D Master
Slave
Enable lag time
3 D Master
Slave
Clock (SPSCK) high or low time
4 D Master
Slave
Data setup time (inputs)
5 D Master
Slave
f_op
t_SPSCK
t_Lead
t_Lag
t_WSPSCK
t_SU
f_Bus/2048
0
2
4
1/2
1
1/2
1
t_cyc – 30
t_cyc – 30
15
15
f_Bus/2¹
f_Bus/4
2048
—
—
—
—
—
1024 t_cyc
—
—
—
Hz
t_cyc
t_cyc
t_SPSCK
t_cyc
t_SPSCK
t_cyc
ns
ns
ns
ns
Data hold time (inputs)
6 D Master
Slave
t_HI
0
—
ns
25
—
ns
7 D Slave access time
8 D Slave MISO disable time
Data valid (after SPSCK edge)
9 D Master
Slave
t_a
—
t_dis
—
1
t_cyc
1
t_cyc
t_v
—
25
ns
—
25
ns
Data hold time (outputs)
10 D Master
Slave
t_HO
0
0
—
ns
—
ns
Rise time
11 D Input
Output
t_RI
—
t_cyc – 25
ns
t_RO
—
25
ns
Fall time
12 D Input
Output
t_FI
—
t_cyc – 25
ns
t_FO
—
25
ns
1 _{Max operating frequency limited to 8MHz when input filter disabled and high output drive strength enabled. Max}
operating frequency limited to 5MHz when input filter enabled and high output drive strength disabled.
MC9S08QE32 MCU Series Data Sheet, Rev. 1
22
Freescale Semiconductor