dsp56853 Freescale Semiconductor, Inc, dsp56853 Datasheet - Page 40

• Manufacturer Part Number: dsp56853
• Description: 16-bit Digital Signal Controllers
• Manufacturer: Freescale Semiconductor, Inc

4.9 Serial Peripheral Interface (SPI) Timing
40
Operating Conditions: V
Cycle time
Master
Slave
Enable lead time
Master
Slave
Enable lag time
Master
Slave
Clock (SCLK) high time
Master
Slave
Clock (SCLK) low time
Master
Slave
Data set-up time required for inputs
Master
Slave
Data hold time required for inputs
Master
Slave
Access time (time to data active from high-impedance state)
Slave
Disable time (hold time to high-impedance state)
Slave
Data valid for outputs
Master
Slave (after enable edge)
Data invalid
Master
Slave
Rise time
Master
Slave
Fall time
Master
Slave
SS
Characteristic
= V
SSIO
= V
SSA
= 0 V, V
DD
Table 4-10 SPI Timing
56853 Technical Data, Rev. 6
= 1.62-1.98V, V
DDIO
Symbol
= V
t
t
t
t
ELD
ELG
t
t
t
t
t
CH
DS
DH
t
t
DV
t
t
CL
DI
C
A
D
R
F
DDA
= 3.0–3.6V, T
12.5
12.5
12.5
12.5
Min
1
25
25
12
10
—
—
—
—
—
—
—
—
9
2
0
2
5
2
0
0
A
= –40° to +120°C, C
Max
11.5
10.0
9.7
9.0
15
14
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
9
2
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Freescale Semiconductor
L
≤ 50pF, f
See Figure
4-23, 4-24,
4-25,
4-23, 4-24,
4-25,
4-23, 4-24,
4-25,
4-23, 4-24,
4-25,
4-23, 4-24,
4-25,
4-23, 4-24,
4-25,
4-23, 4-24,
4-25,
4-23, 4-24,
4-25,
op
4-26
4-26
4-26
4-26
4-26
= 120MHz
4-26
4-26
4-26
4-26
4-26
4-26
4-26
4-26