mc94mx21 Freescale Semiconductor, Inc, mc94mx21 Datasheet - Page 56

• Manufacturer Part Number: mc94mx21
• Description: 333 And 350 Mhz
• Manufacturer: Freescale Semiconductor, Inc

Specifications
56
Ref
No.
11a
11b
27a
27b
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
1
2
3
4
5
6
7
8
9
(Tx/Rx) CK clock period
(Tx) CK high to FS (bl) high
(Rx) CK high to FS (bl) high
(Tx) CK high to FS (bl) low
(Rx) CK high to FS (bl) low
(Tx) CK high to FS (wl) high
(Rx) CK high to FS (wl) high
(Tx) CK high to FS (wl) low
(Rx) CK high to FS (wl) low
(Tx) CK high to STXD valid from high impedance
(Tx) CK high to STXD high
(Tx) CK high to STXD low
(Tx) CK high to STXD high impedance
SRXD setup time before (Rx) CK low
SRXD hold time after (Rx) CK low
(Tx/Rx) CK clock period
(Tx/Rx) CK clock high period
(Tx/Rx) CK clock low period
(Tx) CK high to FS (bl) high
(Rx) CK high to FS (bl) high
(Tx) CK high to FS (bl) low
(Rx) CK high to FS (bl) low
(Tx) CK high to FS (wl) high
(Rx) CK high to FS (wl) high
(Tx) CK high to FS (wl) low
(Rx) CK high to FS (wl) low
(Tx) CK high to STXD valid from high impedance
(Tx) CK high to STXD high
(Tx) CK high to STXD low
Parameter
1
1
Table 36. SSI to SSI3 Ports Timing Parameters
Internal Clock Operation
External Clock Operation (SSI3 Ports)
MC94MX21 Technical Data, Rev. 1.4
Minimum
22.77
36.36
36.36
10.30
10.30
10.30
10.30
90.91
90.91
-2.09
-2.74
-2.09
-2.74
-2.09
-2.74
-2.09
-2.74
-1.73
-2.87
-2.87
-1.73
9.62
9.62
9.62
9.62
9.02
8.48
8.48
1
0
1.8 V ± 0.1 V
(SSI3 Ports)
Maximum
17.10
17.10
19.54
17.10
19.54
17.10
19.54
19.54
16.46
15.32
15.32
-0.66
-0.84
-0.66
-0.84
-0.66
-0.84
-0.66
-0.84
-0.26
-0.80
-0.80
-0.26
–
–
–
–
–
–
Minimum
90.91
22.77
90.91
36.36
36.36
-2.09
-2.74
-2.74
-2.09
-2.74
-2.09
-2.74
-1.73
-2.87
-1.73
-2.09
-2.87
7.90
8.58
7.90
8.58
7.90
8.58
7.90
8.58
7.29
6.75
6.75
0
3.0 V ± 0.3 V
Freescale Semiconductor
Maximum
15.61
18.05
15.61
18.05
15.61
18.05
15.61
18.05
14.97
13.83
13.83
-0.66
-0.84
-0.84
-0.66
-0.84
-0.66
-0.84
-0.80
-0.26
-0.66
-0.26
-0.80
–
–
–
–
–
–
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
ns
ns
ns