MCIMX286CVM4B Freescale Semiconductor, MCIMX286CVM4B Datasheet - Page 2279

• Manufacturer Part Number: MCIMX286CVM4B
• Description: IC MPU I.MX286 289MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX28r

Specifications of MCIMX286CVM4B

• 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: Compliant

Freescale Semiconductor, Inc.
TEMP_ISRC1
TEMP_ISRC0
MUXAMP_
DISABLE_
SENSOR_
IENABLE1
SENSOR_
IENABLE0
RSRVD2
BYPASS
TEMP_
TEMP_
11 10
Field
7 4
3 0
12
9
8
0x0:pmos_tn (thin oxide pmos)
0x1:nmos_tn (thin oxide nmos)
0x2:nmos_tk (thick oxide nmos)
0x3:pmos_tk (thick oxide pmos)
When set to zero (default) the mux amp is bypassed when the LRADC input channel is not using the
divide-by-two. When set to one the mux amp is never bypassed (old behavior).
Reserved
Set this bit to one to enable the current source onto LRADC6. This bit must be set to 0 when the function
of temp sensor not used in application.
0x0
0x1
Set this bit to one to enable the current source onto LRADC0. This bit must be set to 0 when the function
of temp sensor not used in application.
0x0
0x1
When the output voltage is lower than 1V the output current is 1uA higher than the decode shown above.
This extra current drops to zero as the output voltage raises above 1.5V.
This four bit field encodes the current magnitude to inject into an external temperature sensor attached to
LRADC6.
0xF
0xE
0xD
0xC
0xB
0xA
0x9
0x8
0x7
0x6
0x5
0x4
0x3
0x2
0x1
0x0
When the output voltage is lower than 1V the output current is 1uA higher than the decode shown above.
This extra current drops to zero as the output voltage raises above 1.5V.
This four bit field encodes the current magnitude to inject into an external temperature sensor attached to
LRADC0.
0xF
0xE
DISABLE — Disable Temperature Sensor Current Source.
ENABLE — Enable Temperature Sensor Current Source.
DISABLE — Disable Temperature Sensor Current Source.
ENABLE — Enable Temperature Sensor Current Source.
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
300 — 300uA.
280 — 280uA.
260 — 260uA.
240 — 240uA.
220 — 220uA.
200 — 200uA.
180 — 180uA.
160 — 160uA.
140 — 140uA.
120 — 120uA.
100 — 100uA.
80 — 80uA.
60 — 60uA.
40 — 40uA.
20 — 20uA.
ZERO — 0uA.
300 — 300uA.
280 — 280uA.
HW_LRADC_CTRL2 field descriptions (continued)
Chapter 38 Low-Resolution ADC (LRADC) and Touch-Screen Interface
Description
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