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Freescale Semiconductor Electronic Components Datasheet

MC9328MX21S Datasheet

MX family of microprocessors

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MC9328MX21S pdf
Freescale Semiconductor
Data Sheet: Technical Data
MC9328MX21S
266 MHz
Document Number: MC9328MX21S
Rev. 1.1, 04/2007
MC9328MX21S
Package Information
(MAPBGA–289)
Ordering Information: See Table 1 on page 3
1 Introduction
Freescale’s i.MX family of microprocessors has
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demonstrated leadership in the portable handheld
market. Building on the success of the MX (Media
Extensions) series, the i.MX21S (MC9328MX21S)
provides a leap in performance with an ARM926EJ-S
microprocessor core that provides accelerated Java
support in addition to highly integrated system functions.
The i.MX21S device addresses the needs of multiple
markets with intelligent integrated peripherals, advanced
ARM® processor core, and power management
capabilities.
Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
2 Signal Descriptions . . . . . . . . . . . . . . . . . . . . . . .4
3 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . .12
4 Pin Assignment and Package Information . . .84
5 Document Revision History . . . . . . . . . . . . . . .87
The i.MX21S features the advanced and power-efficient
ARM926EJ-S core operating at speeds up to 266 MHz
and is part of a growing family of Smart Speed products
that offer high performance processing optimized for
lowest power consumption. On-chip modules such as an
LCD controller, USB On-The-Go, 1-Wire® interface,
and synchronous serial interfaces offer designers a rich
suite of peripherals that can enhance many products.
For cost sensitive applications, the NAND Flash
controller allows the use of low-cost NAND Flash
This document contains information on a new product. Specifications and information herein are subject to change
without notice.
© Freescale Semiconductor, Inc., 2005, 2006, 2007. All rights reserved.


Freescale Semiconductor Electronic Components Datasheet

MC9328MX21S Datasheet

MX family of microprocessors

No Preview Available !

MC9328MX21S pdf
Introduction
devices to be used as primary or secondary non-volatile storage. The on-chip error correction code (ECC)
and parity checking circuitry of the NAND Flash controller frees the CPU for other tasks. WLAN,
Bluetooth and expansion options are provided through PCMCIA/CF, USB, and MMC/SD host controllers.
The device is packaged in a 289-pin MAPBGA.
System Control
JTAG/Multi- ICE®
System Boot
Clock Management
Standard System I/O
Timers x 3
PWM
WDOG
RTC
GPIO
DMAC
i.MX21S
ARM9 Platform
ARM926EJ-S
MAX
I Cache
MMU
D Cache
Bus Control
Internal Control Memory Control
Connectivity
CSPI x 2
SSI x 2
I2C
Audio Mux
UART 1, 3, & 4
1-Wire
FIRI
USB OTG/ 1 Host
Human Interface
LCD Controller
SLCD Controller
Keypad
Memory Interface
SDRAMC
WEIM
NFC
Memory Expansion
MMC/SD x 2
PCMCIA/CF
Figure 1. i.MX21S Functional Block Diagram
1.1 Conventions
This document uses the following conventions:
• OVERBAR is used to indicate a signal that is active when pulled low: for example, RESET.
Logic level one is a voltage that corresponds to Boolean true (1) state.
Logic level zero is a voltage that corresponds to Boolean false (0) state.
• To set a bit or bits means to establish logic level one.
• To clear a bit or bits means to establish logic level zero.
• A signal is an electronic construct whose state conveys or changes in state convey information.
• A pin is an external physical connection. The same pin can be used to connect a number of signals.
Asserted means that a discrete signal is in active logic state.
Active low signals change from logic level one to logic level zero.
Active high signals change from logic level zero to logic level one.
Negated means that an asserted discrete signal changes logic state.
Active low signals change from logic level zero to logic level one.
Active high signals change from logic level one to logic level zero.
MC9328MX21S Technical Data, Rev. 1.1
2 Freescale Semiconductor


Part Number MC9328MX21S
Description MX family of microprocessors
Maker Freescale Semiconductor
Total Page 30 Pages
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