mpc880 Freescale Semiconductor, Inc, mpc880 Datasheet - Page 44

• Manufacturer Part Number: mpc880
• Description: Mpc885 Powerquicc Integrated Communications Processor
• Manufacturer: Freescale Semiconductor, Inc

IEEE 1149.1 Electrical Specifications
11 IEEE 1149.1 Electrical Specifications
Table 15
44
Num
P44
J45
J46
J47
J48
J49
J50
J51
J52
J53
J54
J55
J56
J57
J58
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
provides the JTAG timings for the MPC885/MPC880 shown in
TCK
MPC885/MPC880 PowerQUICC™ Hardware Specifications, Rev. 4
J84
Figure 38. JTAG Test Clock Input Timing
J82
Characteristic
J82
Table 15. JTAG Timing
J83
J83
Figure 38
J84
100.00
100.00
All Frequencies
40.00
25.00
40.00
50.00
50.00
0.00
5.00
0.00
Min
—
—
—
—
—
through
Freescale Semiconductor
10.00
27.00
20.00
50.00
50.00
50.00
Max
Figure
—
—
—
—
—
—
—
—
—
41.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns