Overview
1
Overview
1.1
Device comparison
Table 1. PXD20 Family Feature Set
Feature
PXD20
Package
CPU
208 LQFP
416 MAPBGA
176 LQFP
e200z4d
4 KB Instruction-Cache
16-entry Memory Management Unit (MMU)
Floating Point Unit (FPU)
Signal Processing Extension (SPE)
Execution speed
Flash memory (ECC)
RAM (ECC)
Static–125 MHz
2 MB
64 KB
On-chip graphics RAM (no ECC)
MPU
1 MB
16 entry
eDMA
16 channels
No
DRAM controller
Yes
OpenVG Graphics Accelerator
(GFX2D)
Yes (OpenVG 1.1)
Display Control Unit (DCU3)
Yes
Yes
Yes
Display Control Unit Lite (DCULite)
No
No
Timing Controller (TCON) and RSDS
interface
Video Input Unit (VIU2)
Yes
QuadSPI serial flash interface
Stepper Motor Controller (SMC)
Stepper Stall Detect (SSD)
Sound Generator Module (SGM)
32 kHz external crystal oscillator
Yes
4 motors
6 motors
Yes
Yes
Yes
Real Time Counter and Autonomous
Periodic Interrupt (RTC/API)
Yes
Periodic interrupt timer (PIT)
Software Watchdog Timer (SWT)
System Timer Module (STM)
Timed I/O
8 ch, 32-bit
Yes
4 ch, 32-bit
20 ch, 16-bit: IC / OC / OPWM
8 ch, 16-bit: IC / OC
4 ch, 16-bit: IC / OC / OPWM / QDEC
PXD20 Microcontroller Data Sheet, Rev. 2
2
Preliminary—Subject to Change Without Notice
Freescale Semiconductor