Datasheet

MPC852T PowerQUICC™ Hardware Specifications, Rev. 4
42 Freescale Semiconductor
IEEE 1149.1 Electrical Specifications
Figure 35 provides the reset timing for the debug port configuration.
Figure 35. Reset Timing—Debug Port Configuration
13 IEEE 1149.1 Electrical Specifications
Table 15 provides the JTAG timings for the MPC852T shown in Figure 36 through Figure 39.
Table 15. JTAG Timing
Num Characteristic
All Frequencies
Unit
Min Max
J82 TCK cycle time 100.00 ns
J83 TCK clock pulse width measured at 1.5 V 40.00 ns
J84 TCK rise and fall times 0.00 10.00 ns
J85 TMS, TDI data setup time 5.00 ns
J86 TMS, TDI data hold time 25.00 ns
J87 TCK low to TDO data valid 27.00 ns
J88 TCK low to TDO data invalid 0.00 ns
J89 TCK low to TDO high impedance 20.00 ns
J90 TRST
assert time 100.00 ns
J91 TRST
setup time to TCK low 40.00 ns
J92 TCK falling edge to output valid 50.00 ns
J93 TCK falling edge to output valid out of high impedance 50.00 ns
J94 TCK falling edge to output high impedance 50.00 ns
J95 Boundary scan input valid to TCK rising edge 50.00 ns
J96 TCK rising edge to boundary scan input invalid 50.00 ns
CLKOUT
SRESET
DSCK, DSDI
R70
R82
R80R80
R81
R81