MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 2317
MCIMX281AVM4B
Manufacturer Part Number
MCIMX281AVM4B
Description
IC MPU I.MX28 1.2 289MAPBGA
Manufacturer
Freescale Semiconductor
Series
i.MX28r
Datasheets
1.MCIMX283DVM4B.pdf
(2327 pages)
2.MCIMX283DVM4B.pdf
(20 pages)
3.MCIMX281AVM4B.pdf
(72 pages)
Specifications of MCIMX281AVM4B
Core Processor
ARM9
Core Size
32-Bit
Speed
454MHz
Connectivity
CAN, EBI/EMI, Ethernet, I²C, MMC, SmartCard, SPI, SSI, UART/USART, USB OTG
Peripherals
DMA, I²S, LCD, POR, PWM, WDT
Program Memory Size
128KB (32K x 32)
Program Memory Type
Mask ROM
Ram Size
32K x 32
Voltage - Supply (vcc/vdd)
1.25 V ~ 5.25 V
Data Converters
A/D 17x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
289-LFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of I /o
-
Eeprom Size
-
Lead Free Status / Rohs Status
Supplier Unconfirmed
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Chapter 39
Register Macro Usage
39.1 Overview
This chapter provides background on the i.MX28 register set and illustrates a consistent
use of the C macros for registers. The examples provided here show how to use the hardware
register macros generated from the chip database.
39.2 Definitions
////////////////////////////////////////////////////////////////////////////////
// These macros will be generated from the chip data base in the future
#define BF_GPMI_CTRL0_SFTRST_V(v)
#define BF_GPMI_CTRL0_CLKGATE_V(v)
#define BF_GPMI_CTRL0_RUN_V(v)
#define BF_GPMI_CTRL0_UDMA_V(v)
#define BF_GPMI_CTRL0_COMMAND_MODE_V(v)
#define BF_GPMI_CTRL0_WORD_LENGTH_V(v)
#define BF_GPMI_CTRL0_LOCK_CS_V(v)
#define BF_GPMI_CTRL0_ADDRESS_V(v)
#define BF_GPMI_CTRL0_ADDRESS_INCREMENT_V(v) (BV_GPMI_CTRL0_ADDRESS_INCREMENT_##v << 16)
#define BF_TIMROT_TIMCTRLn_SELECT_V(v)
// These macros will be included in regs.h in the future
#define OR2(b,f1,f2)
#define OR3(b,f1,f2,f3)
#define OR4(b,f1,f2,f3,f4)
////////////////////////////////////////////////////////////////////////////////
// Prototypes
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
// Variables
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//! \brief Provides examples of how to use the register access macros.
//!
//! \fntype Function
//!
//! Provides examples of how to use the register access macros.
////////////////////////////////////////////////////////////////////////////////
void hw_regs_Example(void)
{
Freescale Semiconductor, Inc.
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
(b##_##f1 | b##_##f2)
(b##_##f1 | b##_##f2 | b##_##f3)
(b##_##f1 | b##_##f2 | b##_##f3 | b##_##f4)
(BV_GPMI_CTRL0_SFTRST_##v << 31)
(BV_GPMI_CTRL0_CLKGATE_##v << 30)
(BV_GPMI_CTRL0_RUN_##v << 29)
(BV_GPMI_CTRL0_UDMA_##v << 26)
(BV_GPMI_CTRL0_COMMAND_MODE_##v << 24)
(BV_GPMI_CTRL0_WORD_LENGTH_##v << 23)
(BV_GPMI_CTRL0_LOCK_CS_##v << 22)
(BV_GPMI_CTRL0_ADDRESS_##v << 17)
(BV_TIMROT_TIMCTRLn_SELECT_##v << 0)
2317
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