XPC850ZT50B Freescale Semiconductor, XPC850ZT50B Datasheet - Page 40

• Manufacturer Part Number: XPC850ZT50B
• Manufacturer: Freescale Semiconductor

Specifications of XPC850ZT50B

• Family Name: MPC8xx
• Device Core: PowerQUICC
• Device Core Size: 32b
• Frequency (max): 50MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 3.3V
• Operating Supply Voltage (max): 3.465V
• Operating Supply Voltage (min): 3.135V
• Operating Temp Range: 0C to 95C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 256
• Package Type: BGA
• Lead Free Status / Rohs Status: Not Compliant

Layout Practices
Table 6-11 shows the reset timing for the MPC850.
Figure 6-31 shows the reset timing for the data bus configuration.
40
Num
CLKOUT to HRESET high impedance
CLKOUT to SRESET high impedance
RSTCONF pulse width
Configuration data to HRESET rising
edge set up time
Configuration data to RSTCONF rising
edge set up time
Configuration data hold time after
RSTCONF negation
Configuration data hold time after
HRESET negation
HRESET and RSTCONF asserted to
data out drive
RSTCONF negated to data out high
impedance.
CLKOUT of last rising edge before chip
tristates HRESET to data out high
impedance.
DSDI, DSCK set up
DSDI, DSCK hold time
SRESET negated to CLKOUT rising
edge for DSDI and DSCK sample
Figure 6-31. Reset Timing—Configuration from Data Bus
Characteristic
Freescale Semiconductor, Inc.
MPC850 (Rev. A/B/C) Hardware Specifications
For More Information On This Product,
Table 6-11. Reset Timing
Go to: www.freescale.com
340.00
350.00
350.00
160.00
60.00
0.00
0.00
0.00
Min
—
—
—
—
—
—
50 MHz
20.00
20.00
25.00
25.00
25.00
Max
—
—
—
—
—
—
—
—
—
515.00
505.00
350.00
242.00
90.00
0.00
0.00
0.00
Min
—
—
—
—
—
—
66MHz
20.00
20.00
25.00
25.00
25.00
Max
—
—
—
—
—
—
—
—
—
425.00
425.00
350.00
200.00
75.00
0.00
0.00
0.00
Min
—
—
—
—
—
—
80 MHz
20.00
20.00
25.00
25.00
25.00
Max
—
—
—
—
—
—
—
—
—
FFACTOR Unit
17.000
15.000
3.000
8.000
MOTOROLA
—
—
—
—
—
—
—
—
—
—
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns