MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 862

• 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

Programmable Registers
10.8.5 System PLL2, Ethernet PLL Control Register 0
HW_CLKCTRL_PLL2CTRL0: 0x040
HW_CLKCTRL_PLL2CTRL0_SET: 0x044
HW_CLKCTRL_PLL2CTRL0_CLR: 0x048
HW_CLKCTRL_PLL2CTRL0_TOG: 0x04C
The System PLL2 Control Register 0 programs the Ethernet PLL.
EXAMPLE
HW_CLKCTRL_PLL2CTRL0_WR(BF_CLKCTRL_PLL2CTRL0_POWER(1));
PLL lock before using it
Address:
862
Reset
Reset
CLKGATE
Bit
Bit
LFR_SEL
W
W
RSRVD3
R
R
29 28
Field
31
30
31
15
1
0
(HW_CLKCTRL_PLL2CTRL0)
HW_CLKCTRL_PLL2CTRL0 8004_0000h base + 40h offset = 8004_0040h
30
14
0
0
PLL Clock Gate. If set to 1, the ENET PLL clock is off (power savings). 0: ENET PLL clock is enabled.
Always set to zero (0).
TEST MODE FOR FREESCALE USE ONLY. Adjusts loop filter resistor.
LFR_SEL
29
13
0
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
HW_CLKCTRL_PLL2CTRL0 field descriptions
28
12
0
0
27
11
0
0
26
10
0
0
25
CP_SEL
0
0
9
RSRVD1[15:0]
24
0
0
8
Description
23
0
0
7
22
// enable PLL and wait 10 us to let
0
0
6
21
0
5
0
20
RSRVD1[22:16]
0
4
0
Freescale Semiconductor, Inc.
19
0
0
3
18
0
0
2
17
0
0
1
16
0
0
0