MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1309

• 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

16.6.20 Bus Master and ECC Controller Debug Read Register
The hardware BCH ECC accelerator bus master and ecc controller internal state machines
and signals can be seen in the ECC debug registers.
EXAMPLE
Address:
Re-
16.6.21 Block Name Register (HW_BCH_BLOCKNAME)
Read only view of the block name string BCH.
Fixed pattern read only value for test puposes. Can be read as an ASCII string with the zero
termination coming from the first byte of the BLOCKVERSION register.
EXAMPLE
Freescale Semiconductor, Inc.
set
Bit
W
R
31
VALUES
0
VALUES
Field
31 0
Field
31 0
30
0
29
0
HW_BCH_DBGAHBMREAD
(HW_BCH_DBGAHBMREAD)
28
0
Reserved
Reserved
27
0
26
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
char *cp = ((char *)HW_BCH_BLOCKNAME_ADDR);
25
HW_BCH_DBGSYNDGENREAD field descriptions
0
HW_BCH_DBGAHBMREAD field descriptions
24
0
23
0
22
0
21
0
8000_A000h base + 140h offset = 8000_A140h
20
0
19
0
18
0
17
0
VALUES
16
0
15
0
Description
Description
Chapter 16 20-BIT Correcting ECC Accelerator (BCH)
14
0
13
0
12
0
11
0
10
0
0
reads back "BCH ".
9
0
8
0
7
0
6
0
5
0
4
3
0
0
2
0
1
1309
0
0