MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 936
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
- Current page: 936 of 2327
- Download datasheet (17Mb)
Programmable Registers
11.12.14 Transistor Speed Control and Status Register
This register contains the setup and controls needed to measure silicon speed.
HW_POWER_SPEED: 0x0D0
HW_POWER_SPEED_SET: 0x0D4
HW_POWER_SPEED_CLR: 0x0D8
HW_POWER_SPEED_TOG: 0x0DC
Address:
936
Reset
Reset
STATUS_SEL
Bit
Bit
W
W
RSRVD1
RSRVD0
R
R
STATUS
31 24
CTRL
Field
23 8
7 6
5 2
1 0
31
15
0
0
HW_POWER_SPEED
30
14
0
0
(HW_POWER_SPEED)
Reserved.
Result from the speed sensor.This result is only valid when SPEEDCTRL=0b11; otherwise this field contains
debug information from the switching DC-DC converter.
Speed Sensor Status Select. This defines the meaning on the STATUS field in this register.
0x0
0x1
0x2
Reserved.
Speed Control bits. 00: Speed sensor off, 0b01: Speed sensor enabled, 11: Enable speed sensor
measurement. Every time a measurement is taken, the sequence of 0x00 ; 01 ; 11 must be repeated. This
sequence should proceed no faster than 1.5 MHz to ensure proper operation.
29
13
0
0
DCDC_STAT — DC-DC speed sensor (lower 8 bits)
CORE_STAT — core logic speed sensor
ARM_STAT — arm9 speed sensor
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
STATUS[15:8]
28
12
RSRVD1
0
0
HW_POWER_SPEED field descriptions
8004_4000h base + D0h offset = 8004_40D0h
27
11
0
0
26
10
0
0
25
0
0
9
24
0
0
8
Description
STATUS_SEL
23
0
0
7
22
0
0
6
21
0
5
0
STATUS[23:16]
20
RSRVD0
0
4
0
Freescale Semiconductor, Inc.
19
0
0
3
18
0
0
2
17
0
0
1
CTRL
16
0
0
0
Related parts for MCIMX281AVM4B
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
MCU, MPU & DSP Development Tools MCIMX28LCD
Manufacturer:
Freescale Semiconductor
Datasheet:
Part Number:
Description:
MCIMX-LVDS1
Manufacturer:
Freescale Semiconductor
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet: