XPC823VR81B2T Freescale Semiconductor, XPC823VR81B2T Datasheet - Page 47

• Manufacturer Part Number: XPC823VR81B2T
• Description: IC MPU POWERQUICC 81MHZ 256-PBGA
• Manufacturer: Freescale Semiconductor

Specifications of XPC823VR81B2T

• Processor Type: MPC8xx PowerQUICC 32-Bit
• Speed: 81MHz
• Voltage: 1.8V
• Mounting Type: Surface Mount
• Package / Case: 256-PBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -

NOTES:
NUM
71a
78a
80a
83a
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
L1RCLK and L1TCLK frequency (DSC=0)
L1RCLK and L1TCLK width low (DSC=0)
L1RCLK and L1TCLK width high (DSC=0)
L1TXD, L1ST(1Ð8), L1RQ, L1CLKO rise and fall
times
L1RSYNC, L1TSYNC valid to L1CLK edge
(SYNC setup time)
L1CLK edge to L1RSYNC and L1TSYNC invalid
(SYNC hold time)
L1RSYNC and L1TSYNC rise and fall times
L1RXD valid to L1CLK edge (L1RXD setup time)
L1CLK edge to L1RXD invalid (L1RXD hold time)
L1CLK edge to L1ST(1Ð8) valid
L1SYNC valid to L1ST(1Ð8) valid
L1CLK edge to L1ST(1Ð8) invalid
L1CLK edge to L1TXD valid
L1TSYNC valid to L1TXD valid
L1CLK edge to L1TXD high impedance
L1RCLK and L1TCLK frequency (DSC=1)
L1RCLK and L1TCLK width low (DSC=1)
L1RCLK and L1TCLK width high (DSC=1)
L1CLK edge to L1CLKO valid (DSC=1)
L1RQ valid before falling edge of L1TSYNC
L1GR setup time
L1GR hold time
L1CLK edge to L1SYNC valid
(FSD = 00, CNT = 0000, BYT = 0, DSC=0)
1.
2.
3.
4.
The ratio SyncCLK/L1RCLK must be greater than 2.5/1.
Where P=1/CLKO1. For a 25MHz CLKO1 rate, P=40ns.
These electrical speciÞcations are only valid for IDL mode.
The strobes and TXD2 on the Þrst bit of the frame becomes valid after L1CLK edge or L1SYNC, whichever
is later.
CHARACTERISTIC
3
3
Freescale Semiconductor, Inc.
For More Information On This Product,
MPC823 ELECTRICAL SPECIFICATIONS
Table 12. Serial Interface Timing
4
4
Go to: www.freescale.com
3
1,3
2
2
3
P+10
P+10
P+10
P+10
MIN
20
35
42
35
10
10
10
10
10
42
42
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
0
1
25MHZ
MAX
12.5
10
Ñ
Ñ
15
Ñ
Ñ
15
45
45
45
65
65
42
Ñ
30
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
0
P+10
P+10
P+10
P+10
MIN
Ñ
Ñ
20
35
Ñ
42
35
10
10
10
10
10
Ñ
Ñ
42
42
Ñ
0
1
40MHZ
MAX
10
15
15
45
45
45
65
65
42
16
30
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
0
P+10
P+10
P+10
P+10
MIN
20
35
42
35
10
10
10
10
10
42
42
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
0
1
50MHZ
MAX
10
15
15
45
45
45
65
65
42
16
30
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
Ñ
0
L1TCLK
UNIT
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
47