MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1788
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: 1788 of 2327
- Download datasheet (17Mb)
Programmable Registers
28.4.5 PWM Channel 1 Period Register (HW_PWM_PERIOD1)
The PWM Channel 1 Period Register specifies the multi-chip attachment mode, clock
divider value, active high, low values and period.
HW_PWM_PERIOD1: 0x040
HW_PWM_PERIOD1_SET: 0x044
HW_PWM_PERIOD1_CLR: 0x048
HW_PWM_PERIOD1_TOG: 0x04C
EXAMPLE
HW_PWM_PERIODn_WR(1, 0x00000b1f);
Address:
1788
Reset
Reset
HSADC_CLK_
HSADC_OUT
MATT_SEL
Bit
Bit
W
W
RSRVD2
R
R
31 27
Field
SEL
26
25
24
31
15
0
0
HW_PWM_PERIOD1
30
14
0
0
Reserved.
PWM output to HSADC.Setting this bit to 1'b1, output of PWM channel 1 is routed to HSADC internally.Only
one PWM channle's HSADC_OUT should be set to 1'b1.
If multiple PWM channels are set as HSADC_OUT, only the channel with the lowest channel number will
be routed to HSADC
HSADC clock select for PWM output. Setting this bit to 1'b1, PWM channel 1 counts on HSADC input clock
to drive PWM output.
Multichip Attachment Mode clock select. When the MATT bit is asserted this bit selects which clock to output.
0: 32 kHz, 1: 24 MHz.
RSRVD2
29
13
0
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
28
12
0
0
HW_PWM_PERIOD1 field descriptions
8006_4000h base + 40h offset = 8006_4040h
27
11
0
0
26
10
0
0
// Set up period and active/inactive output states
25
0
0
9
24
0
0
8
PERIOD
Description
23
0
0
7
22
0
0
6
CDIV
21
0
5
0
20
0
4
0
Freescale Semiconductor, Inc.
INACTIVE_
19
0
0
3
STATE
18
0
0
2
17
ACTIVE_
0
0
1
STATE
16
0
0
0
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