MCIMX286CVM4B Freescale Semiconductor, MCIMX286CVM4B Datasheet - Page 1148

• 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
14.8.43 DRAM Control Register 45 (HW_DRAM_CTL45)
This is a DRAM configuration register.
Address:
Re-
14.8.44 DRAM Control Register 48 (HW_DRAM_CTL48)
This is a DRAM configuration register.
Address:
1148
set
Reset
Reset
Bit
W
R
Bit
Bit
31
W
W
0
R
R
TXSNR
RSVD4
31 16
TXSR
Field
15 0
Field
RSVD4
RSVD2
31
30
0
31
15
0
0
29
0
HW_DRAM_CTL48
HW_DRAM_CTL45
28
0
30
14
0
0
DRAM TXSR parameter in cycles.
Defines the DRAM time from a self-refresh exit to a command that requires the memory DLL to be locked.
DRAM TXSNR parameter in cycles.
Defines the DRAM time from a self-refresh exit to a command that does not require the memory DLL to be
locked. (txs)
Always write zeroes to this field.
27
0
26
0
29
13
0
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
25
0
AXI0_CURRENT_BDW
TXSR
24
0
28
12
0
0
AXI0_BDW
23
0
HW_DRAM_CTL45 field descriptions
800E_0000h base + C0h offset = 800E_00C0h
HW_DRAM_CTL48 field descriptions
800E_0000h base + B4h offset = 800E_00B4h
22
0
27
11
0
0
21
0
20
0
26
10
0
0
19
0
18
25
0
0
0
9
17
0
16
24
0
0
0
8
15
0
Description
Description
23
14
0
0
0
7
13
0
22
12
0
0
6
0
11
0
21
0
5
0
10
RSVD1
0
RSVD3
0
9
TXSNR
20
0
4
0
0
8
Freescale Semiconductor, Inc.
0
7
19
0
0
3
0
6
0
5
18
0
0
2
0
4
3
0
AXI0_FIFO_
TYPE_REG
17
0
0
1
0
2
0
1
16
0
0
0
0
0