MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 2111

• Manufacturer Part Number: MCIMX281AVM4B
• Description: IC MPU I.MX28 1.2 289MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX28r

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

The LCD interface status register that contains read only views of some parameters or
current state of the block.
Address:
Freescale Semiconductor, Inc.
Reset
Reset
TXFIFO_EMPTY
LFIFO_EMPTY
TXFIFO_FULL
LFIFO_FULL
DMA_REQ
PRESENT
Bit
Bit
W
W
R
R
BUSY
Field
31
30
29
28
27
26
25
31
15
1
0
HW_LCDIF_STAT
30
14
0
0
0: LCDIF not present on this product
1: LCDIF is present.
Reflects the current state of the DMA Request line for the LCDIF. The DMA Request line toggles for each
new request.
Read only view of the signal that indicates that LCD read datapath FIFO is full, will be generally used in the
write mode of the LCD interface.
Read only view of the signal that indicates that LCD read dapatath FIFO is empty, will be generally used in
the read mode of the LCD interface.
Read only view of the signal that indicates that LCD write datapath FIFO is full, will be generally used in the
write mode of the LCD interface.
Read only view of the signal that indicates that LCD write dapatath FIFO is empty, will be generally used in
the read mode of the LCD interface.
Read only view of the input busy signal from the external LCD controller.
29
13
0
0
RSRVD0[15:9]
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
28
12
1
0
8003_0000h base + 1B0h offset = 8003_01B0h
HW_LCDIF_STAT field descriptions
27
11
0
0
26
10
1
0
BUSY
25
0
0
9
24
1
0
8
Description
23
0
0
7
22
0
0
6
21
0
5
0
LFIFO_COUNT
RSRVD0[23:16]
Chapter 33 LCD Interface (LCDIF)
20
0
4
0
19
0
0
3
18
0
0
2
17
0
0
1
2111
16
0
0
0