IAR-KSK-IMX25 Freescale Semiconductor, IAR-KSK-IMX25 Datasheet - Page 112
![KIT DEVELOPMENT I.MX257, ARM926](/photos/37/58/375862/imx25kbsbd_sml.jpg)
IAR-KSK-IMX25
Manufacturer Part Number
IAR-KSK-IMX25
Description
KIT DEVELOPMENT I.MX257, ARM926
Manufacturer
Freescale Semiconductor
Series
i.MX25r
Type
MCUr
Datasheets
1.MCIMX25WPDKJ.pdf
(2 pages)
2.IAR-KSK-IMX25.pdf
(154 pages)
3.IAR-KSK-IMX25.pdf
(2 pages)
4.IAR-KSK-IMX25.pdf
(57 pages)
Specifications of IAR-KSK-IMX25
Contents
Board, Cables, CD, Debugger, Power Supply
Processor To Be Evaluated
I.MX257
Processor Series
i.MX25
Data Bus Width
16 bit
Interface Type
UART, JTAG, USB, Ethernet, SD/MMC
Core
ARM926EJ-S
Silicon Manufacturer
Freescale
Core Architecture
ARM
Core Sub-architecture
ARM9
Silicon Core Number
I.MX2
Silicon Family Name
I.MX25
Mcu Supported Families
I.MX25
For Use With/related Products
i.MX25
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- MCIMX25WPDKJ PDF datasheet
- IAR-KSK-IMX25 PDF datasheet #2
- IAR-KSK-IMX25 PDF datasheet #3
- IAR-KSK-IMX25 PDF datasheet #4
- Current page: 112 of 154
- Download datasheet (2Mb)
1
2
3
4
3.7.18.2
Figure 82
of the internal ADC. After a conversion cycle eoc is asserted, a new conversion begins only when the
112
Current consumption
NVCC_ADC
QV
Power-down current
NVCC_ADC
QV
Expected plate resistance
Switch drivers on
resistance
DNL
INL
Gain + Offset Error
This comprises only the required initial dummy conversion cycle. Additional power-up time depends on the enadc , reset and
soc signals applied to the touchscreen controller.
This value only includes the ADC and the driver switches, but it does not take into account the current consumption in the
touchscreen plate. For example, if the plate resistance is 100 W, the total current consumption is about 33 mA.
At avdd = 3.3 V, dvdd = 1.2 V, Tjunction = 50 °C, fclk = 1.75 MHz, any process corner, unless otherwise noted.
Value measured with a –0.5 dBFS sinusoidal input signal and computed with the code density test.
DD
DD
4
4
Parameter
represents the synchronization between the signals clk, soc, eoc, and the output bits in the usage
ADC Timing Diagrams
2
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 8
Table 85. Touchscreen ADC Electrical Specifications (continued)
GND and VDD switches
fin = 1 kHz
fin = 1 kHz
Power Supply Requirements
Conversion Characteristics
Conditions
Touchscreen Interface
—
—
—
—
3
Min.
100
—
—
—
—
—
—
+/–0.75
+/–2.0
Typ.
—
—
—
—
—
Freescale Semiconductor
Max.
1500
+/–2
2.1
0.5
10
10
—
—
1
%FS
Unit
LSB
LSB
mA
mA
uA
uA
Ω
Ω
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