Freescale Semiconductor
Data Sheet: Technical Data
Document Number: PXN20
Rev. 1, 09/2011
PXN20 PXN21
MAPBGA–208
17 mm x 17 mm
PXN20 Microcontroller Data
Sheet
•
PXN20 features:
– Internal conversion triggering for ADC
– Triggerable by internal timers or eMIOS200
• 32-bit CPU core complex (e200z650)
– Compliant with Power Architecture embedded category
– 32 KB unified cache with line locking and eight-entry
store buffer16
– Execution speed static to 116 MHz
• 32-bit I/O processor (e200z0)
• Deserial Serial Peripheral Interface (DSPI)
– Four individual DSPI modules
– Full duplex, synchronous transfers
– Master or slave operation
2
• Inter-IC communication (I C) interface
2
– Four individual I C modules
– Execution speed static to 1/2 CPU core speed (58 MHz)
• 2 MB on-chip flash
– Multi-master operation
• Serial Communication Interface (eSCI) module
– Two-channel DMA interface
– Configurable as LIN bus master
• eMIOS200 timed input/output
– 24 channels, 16-bit timers (PXN20)
– 32 channels, 16-bit timers (PXN21)
• Controller Area Network (FlexCAN) module
– Compliant with CAN protocol specification, Version
2.0B active
– Supports read during program and erase operations, and
multiple blocks allowing EEPROM emulation
• 512 KB + 80 KB (592 KB) on-chip ECC SRAM (PXN20)
• 128 KB on-chip ECC SRAM (PXN21)
• 16-entry Memory Protection Unit (PXN21 only)
• Direct memory access controller
– 16-channel on PXN20
– 32-channel on PXN21
• Fast ethernet controller
– 64 mailboxes, each configurable as transmit or receive
• Dual-channel FlexRay controller
– Full implementation of FlexRay Protocol Specification
2.1, RevA
– Supports 10-Mbps and 100-Mbps IEEE 802.3 MII,
10-Mbps 7-wire interface
– IEEE 802.3 MAC (compliant with IEEE 802.3 1998
edition)
– 128 message buffers
• JTAG controller (PXN20 only)
• Media Local Bus (MLB) interface (PXN20 only)
– Supports 16 logical channels, max speed 1024 Fs
• Interrupt controller (INTC) supports 316 external interrupt
vectors (22 are reserved)
– Compliant with the IEEE 1149.1-2001
• Nexus Development Interface (NDI)
– Available in 256 MAPBGA package only
– Compliant with IEEE-ISTO 5001-2003
– Nexus class 3 development support on e200z650
– Nexus class 2+ development support on e200z0
• Internal voltage regulator allows operation from single
3.3 V or 5 V supply
• System clocks
– Frequency-modulated phase-locked loop (FMPLL)
– 4 – 40 MHz crystal oscillator (XTAL)
– 32 kHz crystal oscillator (XTAL)
– Dedicated 16 MHz and 128 kHz internal RC oscillators
• Analog to Digital Converter (ADC) module
– 10-bit A/D resolution
– 32 external channels
– 36 internal channels (PXN20)
– 64 internal channels (PXN21)
• Cross-Triggering Unit (PXN21 only)
© Freescale Semiconductor, Inc., 2011. All rights reserved.
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