MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1524

• 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
23.4.15 Timer 3 Control and Status Register (HW_TIMROT_TIMCTRL3)
The Timer 3 Control and Status Register specifies timer control parameters, as well as
interrupt status and the enable for Timer 3.
HW_TIMROT_TIMCTRL3: 0x0e0
HW_TIMROT_TIMCTRL3_SET: 0x0e4
HW_TIMROT_TIMCTRL3_CLR: 0x0e8
HW_TIMROT_TIMCTRL3_TOG: 0x0eC
EXAMPLE
HW_TIMROT_TIMCTRLn_WR(3, 0x00000008);
Address:
1524
Reset
Reset
MATCH_COUNT
TEST_SIGNAL
Bit
Bit
W
W
RSRVD2
R
R
31 20
19 16
Field
31 0
Field
IRQ
31
15
0
0
HW_TIMROT_TIMCTRL3
IRQ_
EN
30
14
0
0
Software compares the match count bit field with the value to down count. If they equal to each other, interrupt
is trigger.
Always write zeroes to this bit field.
Selects the source of the signal to be measured in duty cycle mode.
0x0
0x1
29
13
RSRVD1
0
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
NEVER_TICK — Never tick. Freeze the count.
PWM0 — Input from PWM0.
HW_TIMROT_MATCH_COUNT2 field descriptions
28
12
0
0
HW_TIMROT_TIMCTRL3 field descriptions
27
11
0
0
8006_8000h base + E0h offset = 8006_80E0h
DUTY_
VALID
26
10
RSRVD2
0
0
// Set up control fields for timer3
25
0
0
9
24
0
0
8
Description
Description
23
0
0
7
22
0
0
6
PRESCALE
21
0
5
0
20
0
4
0
Freescale Semiconductor, Inc.
19
0
0
3
TEST_SIGNAL
18
0
SELECT
0
2
17
0
0
1
16
0
0
0