mpc850de Freescale Semiconductor, Inc, mpc850de Datasheet - Page 37

• Manufacturer Part Number: mpc850de
• Description: Mpc850 Rev. A/b/c Communications Controller
• Manufacturer: Freescale Semiconductor, Inc

Figure 32 provides the reset timing for the data bus weak drive during configuration.
Figure 33 provides the reset timing for the debug port configuration.
Part VII IEEE 1149.1 Electrical Specifications
Table 12 provides the JTAG timings for the MPC850 as shown in Figure 34 to Figure 37.
MOTOROLA
Num
TCK cycle time
TCK clock pulse width measured at 1.5 V
TCK rise and fall times
TMS, TDI data setup time
Figure 32. Reset Timing—Data Bus Weak Drive during Configuration
Characteristic
Figure 33. Reset Timing—Debug Port Configuration
MPC850 (Rev. A/B/C) Hardware Specifications
Table 12. JTAG Timing
100.00
40.00
0.00
5.00
Min
50 MHz
10.00
Max
—
—
—
100.00
40.00
0.00
5.00
Min
66MHz
10.00
Max
—
—
—
100.00
40.00
0.00
5.00
Min
Layout Practices
80 MHz
10.00
Max
—
—
—
Unit
ns
ns
ns
ns
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