MPC857T Freescale Semiconductor, Inc, MPC857T Datasheet - Page 6

• Manufacturer Part Number: MPC857T
• Description: Mpc857t Powerquicc Integrated Communications Processor
• Manufacturer: Freescale Semiconductor, Inc

Features
The MPC862/857T/857DSL is comprised of three modules that each use the 32-bit internal bus: the
MPC8xx core, the system integration unit (SIU), and the communication processor module (CPM). The
MPC862P/862T block diagram is shown in
Figure
6
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— Sleep—All units disabled except RTC, PIT, time base, and decrementer with PLL active for
— Deep sleep—All units disabled including PLL except RTC, PIT, time base, and decrementer.
— Power down mode— All units powered down except PLL, RTC, PIT, time base and
Debug interface
— Eight comparators: four operate on instruction address, two operate on data address, and two
— Supports conditions: = ≠ < >
— Each watchpoint can generate a break point internally
3.3 V operation with 5-V TTL compatibility except EXTAL and EXTCLK
357-pin plastic ball grid array (PBGA) package
Operation up to 100MHz
fast wake up
decrementer
operate on data
MPC862/857T/857DSL PowerQUICC™ Family Hardware Specifications, Rev. 3
Figure
1. The MPC857T/857DSL block diagram is shown in
Freescale Semiconductor