MCIMX286CVM4B Freescale Semiconductor, MCIMX286CVM4B Datasheet - Page 2269

• 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

Below Table shows the register configure setting and switch status for different touch screen
usage:
Freescale Semiconductor, Inc.
TOUCH_SCREEN_TYPE
Table 38-2. The register configure setting and switch status for different touch screen
Figure 38-2. Low-Resolution ADC Successive Approximation Unit
LRADC0(button0) / ext_temp
LRADC1(button1)
LRADC4 xnur
LRADC5 ynlr
LRADC6 / ext_temp
LRADC2 xpul
LRADC3 ypll
Temperature Sensing
Bandgap Reference
Freescale Internal
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
SW7
SW0
½*VDDA
¼*VDD5V
VDDD
½*VDDIO
Vth_Nthick
Vth_Pthick
1/4*BATT
Vth_Pthin
Vth_Nthin
SW3
200K
200K
VDDIO
VDDIO
SW5
4-wire touch
detect
0
1.85V
1.85V
1.85V
SW4
SW6
SW1
SW2
Chapter 38 Low-Resolution ADC (LRADC) and Touch-Screen Interface
CH6
CH7
CH8
CH9
CH11
CH14
CH0
CH2
CH4
CH5
CH10
CH12
CH13
CH15
CH1
CH3
Analog
4-wire X-axis
0
MUX
usage
÷2
4-wire Y-axis
0
LRADC2
LRADC6
LRADC0
LRADC1
TouchScreen
(1:4.1:6,1:8,1:12)
Detection
Detection
Button
Logic
Logic
SAR
ADC
24.0 MHz
clkdiv
5-wire touch
detect
1
button1 _ detect
button0 _ detect
touch_detect
APBX CLK
Machine
State
5-wire hori-
zontal meas-
ure
1
xtal_clk/n
apbxck =
5-wire vertical
measure
1
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