MCIMX286CVM4B Freescale Semiconductor, MCIMX286CVM4B Datasheet - Page 1220

• 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
Address:
14.8.161 DRAM Control Register 172 (HW_DRAM_CTL172)
This is a DRAM configuration register.
Address:
1220
Reset
Reset
Reset
AXI5_BDW_
AXI4_BDW_
DLL_RST_
Bit
Bit
Bit
OVFLOW
OVFLOW
W
W
W
R
R
R
RSVD2
RSVD1
DELAY
31 25
23 17
Field
15 0
24
16
31
15
31
0
0
0
HW_DRAM_CTL171
HW_DRAM_CTL172
30
14
30
0
0
0
Always write zeroes to this field.
Port 5 behavior when bandwidth maximized.
Always write zeroes to this field.
Port 4 behavior when bandwidth maximized.
Minimum number of cycles required for DLL reset.
Sets the number of cycles that the reset must be held asserted for the DLL.
29
13
29
0
0
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
RSVD2
RSVD4
28
12
28
0
0
0
HW_DRAM_CTL171 field descriptions
800E_0000h base + 2ACh offset = 800E_02ACh
800E_0000h base + 2B0h offset = 800E_02B0h
27
11
27
0
0
0
26
10
26
0
0
0
25
25
0
0
0
9
DLL_RST_DELAY
24
24
0
0
0
8
Description
23
23
0
0
0
7
22
22
0
0
0
6
21
21
0
5
0
0
RSVD1
RSVD3
20
20
0
4
0
0
Freescale Semiconductor, Inc.
19
19
0
0
0
3
18
18
0
0
0
2
17
17
0
0
0
1
RESYNC_
DLL
16
16
0
0
0
0