dsp56854 Freescale Semiconductor, Inc, dsp56854 Datasheet - Page 46

• Manufacturer Part Number: dsp56854
• Description: 16-bit Digital Signal Controllers
• Manufacturer: Freescale Semiconductor, Inc

46
SCK frequency
SCK period
SCK high time
SCK low time
Output clock rise/fall time
Delay from SCK high to SC2 (bl) high - Slave
Operating Conditions: V
SC2 (wl) output
SC1 (wl) output
SC2 (bl) output
SC1 (bl) output
SCK output
SC0 output
3
SRD
STD
Table 4-12 ESSI Slave Mode
SS
= V
SSIO
Parameter
t
t
TXVM
SCKH
Figure 4-29 Master Mode Timing Diagram
= V
t
t
t
t
RFSBHM
RFSWHM
SM
TFSWHM
t
SSA
TXEM
t
t
TFSBHM
SCKW
= 0 V, V
t
SCKL
DD
First Bit
56854 Technical Data, Rev. 6
t
HM
= 1.62-1.98V, V
5
t
t
TFSBLM
RFBLM
t
t
TSM
TXNVM
DDIO
1
Switching Characteristics
= V
DDA
t
THM
= 3.0–3.6V, T
Symbol
t
TFSBHS
t
t
t
SCKW
SCKH
SCKL
—
fs
A
= –40° to +120°C, C
33.4
33.4
Min
66.7
—
—
-1
4
4
Last Bit
Typ
—
—
—
—
—
4
Freescale Semiconductor
L
≤ 50pF, f
Max
15
29
—
—
—
—
t
t
TFSWLM
RFSWLM
2
t
op
TXHIM
= 120MHz
Units
MHz
ns
ns
ns
ns
ns