MCIMX286CVM4B Freescale Semiconductor, MCIMX286CVM4B Datasheet - Page 1150

• Manufacturer Part Number: MCIMX286CVM4B
• Description: IC MPU I.MX286 289MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX28r

Specifications of MCIMX286CVM4B

• 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: Compliant

Programmable Registers
14.8.46 DRAM Control Register 50 (HW_DRAM_CTL50)
This is a DRAM configuration register.
Address:
1150
Reset
Reset
CURRENT_BDW
AXI1_BDW_
AXI1_BDW
PRIORITY
Bit
Bit
OVFLOW
W
W
AXI0_R_
R
R
RSVD4
RSVD3
RSVD2
RSVD1
30 24
23 17
AXI1_
Field
Field
14 8
2 0
7 2
RSVD4
RSVD2
31
16
15
31
15
0
0
HW_DRAM_CTL50
30
14
0
0
Priority of read cmds from AXI port 0.
Always write zeroes to this field.
Current bandwidth usage percentage for port 1. READ-ONLY.
Always write zeroes to this field.
Port 1 behavior when bandwidth maximized.
Always write zeroes to this field.
Maximum bandwidth percentage for port 1.
Always write zeroes to this field.
29
13
0
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
HW_DRAM_CTL49 field descriptions (continued)
AXI1_CURRENT_BDW
28
12
0
0
AXI1_BDW
800E_0000h base + C8h offset = 800E_00C8h
HW_DRAM_CTL50 field descriptions
27
11
0
0
26
10
0
0
25
0
0
9
24
0
0
8
Description
Description
23
0
0
7
22
0
0
6
21
0
5
0
RSVD1
RSVD3
20
0
4
0
Freescale Semiconductor, Inc.
19
0
0
3
18
0
0
2
AXI1_FIFO_
TYPE_REG
17
0
0
1
16
0
0
0