MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1667

• 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

Address:
Re-
26.4.7 ENET MAC MII Speed Control Register (HW_ENET_MAC_MSCR)
Address:
Freescale Semiconductor, Inc.
set
Reset
Bit
W
R
Bit
31
W
0
R
ST
31 30
29 28
27 23
22 18
17 16
DATA
Field
15 0
OP
RA
ST
PA
TA
30
0
31
0
29
0
OP
HW_ENET_MAC_MSCR
HW_ENET_MAC_MMFR
28
0
30
0
Start of frame delimiter. These bits must be programmed to 0b01 for a valid MII management frame.
Operation code:
00 Write frame operation, but not MII compliant.
01 Write frame operation for a valid MII management frame.
10 Read frame operation for a valid MII management frame.
11 Read frame operation, but not MII compliant.
PHY address. This field specifies one of up to 32 attached PHY devices.
Register address. This field specifies one of up to 32 registers within the specified PHY device.
Turn around. This field must be programmed to '10' to generate a valid MII management frame.
Management frame data. This is the field for data to be written to or read from the PHY register.
27
0
26
0
29
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
PA
25
0
24
0
28
0
HW_ENET_MAC_MMFR field descriptions
23
0
22
0
27
0
800F_0000h base + 44h offset = 800F_0044h
800F_0000h base + 40h offset = 800F_0040h
21
0
RA
20
0
26
0
19
0
18
25
0
0
17
0
RSRVD0[31:16]
TA
16
24
0
0
15
0
Description
23
14
0
0
13
0
22
12
0
0
11
0
21
0
10
Chapter 26 Ethernet Controller (ENET)
0
0
9
20
0
DATA
0
8
0
7
19
0
0
6
0
5
18
0
0
4
3
0
17
0
0
2
0
1
1667
16
0
0
0