SPC5554MZP80R2 Freescale Semiconductor / Motorola, SPC5554MZP80R2 Datasheet - Page 44

• Manufacturer Part Number: SPC5554MZP80R2
• Description: MPC5554 COPPERHEAD
• Manufacturer: Freescale Semiconductor / Motorola

Electrical Characteristics
3.13.9
44
1
2
Spec
SS timing specified at V
varies depending on track delays, master pad delays, and slave pad delays.
FCK duty cycle is not 50% when it is generated through the division of the system clock by an odd number.
2
3
4
5
6
7
8
External device data sample at
FCK period (t
Clock (FCK) high time
Clock (FCK) low time
SDO lead / lag time
EQADC data setup time (inputs)
EQADC data hold time (inputs)
SDS lead / lag time
EQADC data sample at
eQADC SSI Timing
FCK falling-edge
FCK rising-edge
FCK
Rating
DDEH
= 1
SDO
SDS
FCK
÷
= 3.0–5.25 V, T
SDI
f
FCK
Table 27. EQADC SSI Timing Characteristics
)
MPC5554 Microcontroller Data Sheet, Rev. 3.0
1, 2
Figure 27. EQADC SSI Timing
A
= T
L
Symbol
t
t
t
t
t
t
SDS_LL
SDO_LL
to T
EQ_HO
5
FCKHT
EQ_SU
6
FCKLT
t
FCK
3
H
, and CL = 25 pF with SRC = 0b11. Maximum operating frequency
2
1st (MSB)
4
t
t
SYS_CLK
SYS_CLK
7
Minimum
1st (MSB) 2nd
–7.5
–7.5
22
2
1
8
− 6.5
− 6.5
2nd
Typical
—
—
—
—
—
—
—
25th
25th
9 × (t
8 × (t
26th
Maximum
SYS_CLK
SYS_CLK
Freescale Semiconductor
+7.5
+7.5
17
—
—
4
5
26th
+ 6.5)
+ 6.5)
t
SYS_CLK
Unit
ns
ns
ns
ns
ns
ns