PXS20 Datasheet, PDF (4/119 Pages) Freescale Semiconductor, Inc – PXS20 Microcontroller

Introduction
Crossbar
Memory
Modules
Modules
(cont.)
Supply
Clocking
Debug
Packages
Table 1. PXS20 Family Feature Set (continued)
Feature
PXS20
Master × slave ports
Lock Step Mode: 4 × 3
Decoupled Parallel Mode: 6 × 3
Code/data flash
1 MB, ECC, RWW
Static RAM (SRAM)
128 KB, ECC
Interrupt controller (INTC)
16 interrupt levels, replicated module
Periodic Interrupt Timer (PIT)
1 × 4 channels
System timer module (STM)
1 × 4 channels, replicated module
Software watchdog timer (SWT)
Yes, replicated module
eDMA
16 channels, replicated module
FlexRay
1 × 64 message buffers, dual channel
CAN
2 × 32 message buffers
UART with DMA support
2
Clock out
Yes
Fault control & collection unit (FCCU)
Yes
Cross triggering unit (CTU)
Yes
eTimer
3 × 6 channels
PWM
2 Module 4 × (2 + 1) channels
Analog-to-digital converter (ADC)
2 × 12-bit ADC, 16 channels per ADC
(3 internal, 4 shared and 9 external)
Sine-wave generator (SWG)
32 point
Serial peripheral interface (SPI)
3 × SPI
as many as 8 chip selects
Cyclic redundancy checker (CRC) unit
Yes
Junction temperature sensor (TSENS)
Yes, replicated module
Digital I/Os
 16
Device power supply
3.3 V with integrated bypassable ballast transistor
External ballast transistor not needed for bare die
Analog reference voltage
3.0 V – 3.6 V and 4.5 V – 5.5 V
Frequency-modulated phase-locked loop (FMPLL)
2
Internal RC oscillator
16 MHz
External crystal oscillator
4 – 40 MHz
Nexus
Level 3+
Type
144 LQFP
257 MAPBGA
PXS20 Microcontroller Data Sheet, Rev. 1
4
Freescale Semiconductor
Preliminary—Subject to Change Without Notice