i.MX21.pdf 데이터시트 (총 30 페이지) - 파일 다운로드 i.MX21 데이타시트 다운로드

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i.MX21
Applications Processor
Reference Manual
Document Number: MC9328MX21RM
Rev. 3
04/2007

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Contents – Concise
Part 1: Device Introduction
Chapter 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Chapter 2 Signal Descriptions and Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Chapter 3 Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Part 2: Core Technology
Chapter 4 ARM9 Platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Chapter 5 ARM926EJ-S Interrupt Controller (AITC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Chapter 6 Phase-Locked Loop (PLL), Clock and Reset Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Chapter 7 AHB-Lite IP Interface (AIPI) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Part 3: System Control
Chapter 8 System Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
Chapter 9 Internal ROM, System Boot Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
Chapter 10 Multi-layer AHB Crossbar Switch (MAX) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
Chapter 11 JTAG Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
Chapter 12 Watchdog Timer Module (WDOG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
Chapter 13 Real-Time Clock (RTC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-1
Chapter 14 General-Purpose Timers (GPT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-1
Chapter 15 General-Purpose I/O (GPIO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-1
Chapter 16 Pulse-Width Modulator (PWM). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-1
Part 4: Memory Interfaces
Chapter 17 SDRAM Memory Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-1
Chapter 18 Direct Memory Access Controller (DMAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-1
Chapter 19 NAND Flash Memory Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-1
Chapter 20 External Interface Module (EIM). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-1
Chapter 21 Bus Master Interface (BMI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-1
Part 5: InterChip Connectivity
Chapter 22 I2C Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-1
Chapter 23 Configurable Serial Peripheral Interface (CSPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-1
Chapter 24 Synchronous Serial Interface (SSI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-1
Part 6: Peripherals
Chapter 25 CMOS Sensor Interface (CSI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-1
Chapter 26 Liquid Crystal Display Controller (LCDC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26-1
Chapter 27 Smart Liquid Crystal Display Controller (SLCDC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27-1
Chapter 28 enhanced Multimedia Accelerator (eMMA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28-1
Chapter 29 MultimediaCard/Secure Digital Host Controller (MMC/SDHC) . . . . . . . . . . . . . . . . . . . 29-1
Chapter 30 Digital Audio Mux (AUDMUX) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-1
Freescale Semiconductor
i.MX21 Reference Manual, Rev. 3
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Part 7: Connectivity and Expansion
Chapter 31 Universal Asynchronous Receiver/Transmitters (UART) Modules . . . . . . . . . . . . . . . . . 31-1
Chapter 32 Universal Serial Bus On-The-Go (USB OTG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-1
Chapter 33 PCMCIA/CF Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-1
Chapter 34 Keypad Port (KPP). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34-1
Chapter 35 Fast InfraRed Interface (FIRI) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35-1
Chapter 36 1-Wire Interface (1-Wire®) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36-1
i.MX21 Reference Manual, Rev. 3
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Contents – Full
Part 1: Device Introduction
Chapter 1
Introduction
1.1 i.MX21 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.2 i.MX21 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1.2.1
ARM926EJ-S Core Complex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1.2.2
System Control and Timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1.2.2.1
Watchdog Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1.2.2.2
Real-Time Clock/Sampling Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
1.2.2.3
Three General-Purpose 32-Bit Counters/Timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
1.2.2.4
Pulse-Width Modulator Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
1.2.2.5
General-Purpose I/O Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
1.2.2.6
Endianness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
1.2.3
Memory Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
1.2.3.1
SDRAM Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
1.2.3.2
Direct Memory Access Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
1.2.3.3
NAND Flash Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
1.2.3.4
External Interface Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
1.2.4
Bus Master Interface (BMI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
1.2.5
Inter-Chip Connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
1.2.5.1
Inter-IC (I2C) Bus Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
1.2.5.2
Three Configurable Serial Peripheral Interfaces for High Speed Data Transfer . . . . . . 1-7
1.2.5.3
Two Synchronous Serial Interfaces with Inter-IC Sound (I2S) and AC97 Host Controller
Module (SSI/I2S/AC97) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
1.2.6
Peripheral Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
1.2.6.1
CMOS Sensor Interface (CSI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
1.2.7
Display and Video Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
1.2.7.1
LCD Controller (LCDC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
1.2.7.2
Smart LCD Controller (SLCDC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
1.2.8
enhanced Multimedia Accelerator (eMMA). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
1.2.8.1
Video Encoder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
1.2.8.2
Video Decoder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
1.2.8.3
Image Pre-processor (PrP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
1.2.8.4
Postprocessor (PP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
1.2.8.5
Two Multimedia Card and Secure Digital Host Controller Modules . . . . . . . . . . . . . . 1-12
1.2.8.6
Digital Audio Mux . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
1.2.9
Connectivity and Expansion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
1.2.9.1
Four Universal Asynchronous Receiver/Transmitters
(UART1, UART2, UART3, and UART4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
1.2.9.2
USB On-The-Go (USB OTG) Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
1.2.10 Debug Capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
1.2.10.1
PCMCIA/CF Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
1.2.10.2
Keypad Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
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i.MX21 Reference Manual, Rev. 3
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