MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 847
MCIMX281AVM4B
Manufacturer Part Number
MCIMX281AVM4B
Description
IC MPU I.MX28 1.2 289MAPBGA
Manufacturer
Freescale Semiconductor
Series
i.MX28r
Datasheets
1.MCIMX283DVM4B.pdf
(2327 pages)
2.MCIMX283DVM4B.pdf
(20 pages)
3.MCIMX281AVM4B.pdf
(72 pages)
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
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10.2.2 Logical Diagram of Clock Domains
Freescale Semiconductor, Inc.
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
PLL1
PLL0
System PLL0, Multi-Output PLL
ENET_CLK
-------------------------------------
Each output configurable for
-------------------------------------
XTAL _CLK24M
RING_CLK24M
Ring Oscillator
XTAL _CLK32K
Crystal Clock
Figure 10-1. Logical Diagram of Clock Domains
frequency and bypass.
System PLL1, USB1
24.000 MHz
24.000 MHz
Crystal Clock
32.768 kHz /
32.0 kHz
ENET_MII_PHY0
ICG
ICG
ICG
ICG
ICG
ICG
ICG
PAD
PLL 480M
HW_CLKCTRL_ENET_CLK_OUT_EN
Phase Div
Phase Div
Phase Div
Phase Div
Phase Div
Phase Div
PLL 480M
Phase Div
enet_rmii_clk_in
0
1
gl
CLK_ENET_OUT
ref_pll
ref_gpmi
ref_hsadc
ref_cpu
ref_emi
ref_io0
ref_io1
ref_pix
HW_CLKCTRL_PLL1CTRL
HW_CLKCTRL_PLL0CTRL
ref_xtal
HW_RTC_PERSISTENT0_CLKSOURCE
HW_CLKCTRL_XTAL
ref_pll
ref_gpmi
ref_hsadc
ICG
ref_pix
ref_io1
PLL2 50M
ref_io0
ref_xtal
ref_xtal
ref_xtal
768
ref_emi
ref_xtal
ref_xtal
ref_xtal
ref_xtal
ref_xtal
HW_CLKCTRL_SPDIF
enet_rmii_clk_in
ref_enet_pll
HW_CLKCTRL_HBUS
Dynamic Power
ref_pll
HW_CLKCTRL_CPU
HW_CLKCTRL_CPU
HW_CLKCTRL_EMI
HW_CLKCTRL_EMI
HW_CLKCTRL_XTAL
HW_CLKCTRL_ENET_TIME_SEL
HW_CLKCTRL_EMI
ICG
ICG
HW_CLKCTRL_HBUS
ref_xtal
Adjust
ICG
HW_CLKCTRL_DIS_LCDIF0
Fixed Divider
Int
Int/Frac
Int
Int
HW_CLKCTRL_HSADC
HW_CLKCTRL_SSP0(1)
HW_CLKCTRL_GPMI
HW_CLKCTRL_SSP2(3)
ICG
HW_CLKCTRL_SAIF
ICG
ICG
ICG
HW_CLKCTRL_ETM
ICG
4
HW_CLKCTRL_XBUS
ICG
ICG
ICG
6 bit
10 bit
HW_CLKCTRL_XTAL
(2 Clock Gate control bits)
6 bit
6 bit
4 bit
Fixed Divider
Chapter 10 Clock Generation and Control (CLKCTRL)
4 bit
Int/Frac
Int/Frac
Int/Frac
Int/Frac
Frac
via ENET Controller H/W
Int/Frac
750
Int/Frac
EN1
10 bit
HW_CLKCTRL_ENET
13 bit
9 bit
9 bit
10 bit
7 bit
EN2
16 bit
1 to 31
via HW_SPDIF_SRR
6 bit
ICG
5 bit
Int
Frac
Fixed Divider
Int
Others
Analog
Digital
Digital
Digital
16
HSADC
HW_CLKCTRL_ENET
DIV
9 bit
HW_CLKCTRL_EMI_SYNC_MODE_EN
HW_CLKCTRL_CPU & INTERRUPT WAIT circuit
Xtal Only
Xtal or PLL
PLL Only
HW_CLKCTRL_ENET
via FLEXCAN Controller H/W
CLK_FLEXCAN_NOGATE (x2)
ICG
ICG
ICG
ICG
Unless otherwise shown, all
multiplexers are controlled via
HW_CLKCTRL_CLKSEQ
Within CLKCTRL
ICG
ICG
ICG
ICG
ICG
ICG
ICG
ICG
ICG
ICG
ICG
UTMI1_CLK480M
UTMI0_CLK480M
CLK_PCMSPDIF
CLK_SSP (X2)
CLK_SSP (X2)
CLK_SAIF (X2)
CLK_ENET_OUT
Legend
CLK_H_ENET_SWI
CLK_HSADC
CLK_H_FLEXCAN0(x2)
CLK_DIS_LCDIF
CLK_FLEXCAN (x2)
CLK_H_FLEXCAN_IPG(x2)
CLK_LRADC2k
CLK_H_MAC(x2)
CLK_GPMI
CLK_ANA24M
CLK_P_NG
CLK_PWM24M
CLK_ETM
CLK_ENET_TIME
CLK_UART
CLK_RTC32K
CLK_ENET_RMII
CLK_H
CLK_OCROM
CLK_32K
CLK_MAC0_RX
CLK_MAC0_TX
CLK_X
CLK_EMI
CLK_P
847
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