參數(shù)資料
型號(hào)： MPC8245ARVV400D
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 400 MHz, RISC PROCESSOR, PBGA352
封裝： 35 X 35 MM, 1.65 MM HEIGHT, 1.27 MM PITCH, LEAD FREE, TBGA-352
文件頁(yè)數(shù)： 24/68頁(yè)
文件大?。?/td> 1143K
代理商： MPC8245ARVV400D
MPC8245 Integrated Processor Hardware Specifications, Rev. 9
30
Freescale Semiconductor
Electrical and Thermal Characteristics
Figure 20. PIC Serial Interrupt Mode Output Timing Diagram
Figure 21. PIC Serial Interrupt Mode Input Timing Diagram
4.3.6
IEEE 1149.1 (JTAG) AC Timing Specifications
Table 16 provides the JTAG AC timing specifications for the MPC8245 while in the JTAG operating mode
at recommended operating conditions (see Table 2) with LVDD = 3.3 V ± 0.3 V. Timings are independent
of the system clock (PCI_SYNC_IN).
Table 16. JTAG AC Timing Specification (Independent of PCI_SYNC_IN)
Num
Characteristic
Min
Max
Unit
Notes
TCK frequency of operation
0
25
MHz
1
TCK cycle time
40
—
ns
2
TCK clock pulse width measured at 1.5 V
20
—
ns
3
TCK rise and fall times
0
3
ns
4TRST setup time to TCK falling edge
10
—
ns
1
5TRST assert time
10
—
ns
6
Input data setup time
5
—
ns
2
7
Input data hold time
15
—
ns
2
8
TCK to output data valid
0
30
ns
3
9
TCK to output high impedance
0
30
ns
3
10
TMS, TDI data setup time
5
—
ns
S_CLK
S_RST
VM
S_FRAME
sys_logic_clk
VM
4
3
5
4
6
S_CLK
S_INT
7
VM
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