mpc5644a Freescale Semiconductor, Inc, mpc5644a Datasheet - Page 124

• Manufacturer Part Number: mpc5644a
• Description: Mpc5644a Microcontroller Data Sheet
• Manufacturer: Freescale Semiconductor, Inc

Electrical characteristics
3.17.9
124
#
1
1
2
3
4
5
6
7
8
t
t
t
t
t
t
SDO_LL
SDS_LL
EQ_HO
FCKHT
t
EQ
FCKLT
f
t
DVFE
FCK
FCK
Symbol
eQADC SSI timing
_
SU
CC
CC
CC
CC
CC
CC
CC
CC
CC
Table 46. eQADC SSI timing characteristics (pads at 3.3 V or at 5.0 V)
Figure 30. DSPI modified transfer format timing — slave, CPHA =1
SCK Input
(CPOL=1)
SCK Input
(CPOL=0)
PCSx
C
P
D
D
D
P
P
P
P
P
PCSS
CLOAD = 25 pF on all outputs. Pad drive strength set to maximum.
SOUT
SIN
SS
FCK Frequency
FCK Period (t
Clock (FCK) High Time
Clock (FCK) Low Time
SDS Lead/Lag Time
SDO Lead/Lag Time
Data Valid from FCK Falling Edge
(t
eQADC Data Setup Time (Inputs)
eQADC Data Hold Time (Inputs)
FCKLT+
Preliminary—Subject to Change Without Notice
Figure 31. DSPI PCS strobe (PCSS) timing
t
5
MPC5644A Microcontroller Data Sheet, Rev. 4
SDO_LL
7
11
Rating
FCK
)
2, 3
= 1/ f
9
First Data
First Data
FCK
10
)
Data
Data
t
t
SYS_CLK
SYS_CLK
1/17
Min
-7.5
-7.5
22
2
1
1
 6.5
 6.5
Last Data
12
Last Data
Typ
8
6
9*
8*
t
t
SYS_CLK
SYS_CLK
Freescale Semiconductor
Max
12
7.5
7.5
1
17
 6.5
 6.5
f
t
SYS_CLK
SYS_CLK
Unit
ns
ns
ns
ns
ns
ns
ns