MPC870 FREESCALE [Freescale Semiconductor, Inc], MPC870 Datasheet - Page 44

• Manufacturer Part Number: MPC870
• Description: Hardware Specifications
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

IEEE 1149.1 Electrical Specifications
Figure 35
12 IEEE 1149.1 Electrical Specifications
Table 16
44
Num
J82
J83
J84
J85
J86
J87
J88
J89
J90
J91
J92
J93
J94
J95
J96
DSCK, DSDI
provides the JTAG timings for the MPC875/870 shown in
provides the reset timing for the debug port configuration.
CLKOUT
SRESET
TCK cycle time
TCK clock pulse width measured at 1.5 V
TCK rise and fall times
TMS, TDI data setup time
TMS, TDI data hold time
TCK low to TDO data valid
TCK low to TDO data invalid
TCK low to TDO high impedance
TRST assert time
TRST setup time to TCK low
TCK falling edge to output valid
TCK falling edge to output valid out of high impedance
TCK falling edge to output high impedance
Boundary scan input valid to TCK rising edge
TCK rising edge to boundary scan input invalid
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Figure 35. Reset Timing—Debug Port Configuration
MPC875/MPC870 Hardware Specifications, Rev. 3.0
Characteristic
R80
Table 16. JTAG Timing
R70
R81
Figure 36
R82
R80
to
Figure
R81
39.
100.00
100.00
40.00
25.00
40.00
50.00
50.00
0.00
5.00
0.00
Frequencies
Min
—
—
—
—
—
Freescale Semiconductor
All
10.00
27.00
20.00
50.00
50.00
50.00
Max
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns