参数资料
型号: KIT13892VLEVBEJ
厂商: Freescale Semiconductor
文件页数: 39/158页
文件大小: 0K
描述: KIT EVAL FOR MC13892
标准包装: 1
主要目的: 电源管理和用户界面
嵌入式:
已用 IC / 零件: MC13892
主要属性: 10 位 ADC,4 输出降压转换器,12 LDO
次要属性: 与 i.MX51、i.MX37、i.MX35、i.MX27 一起使用
已供物品: 板,线缆,文档
FUNCTIONAL DESCRIPTION
FUNCTIONAL PIN DESCRIPTION
ADIN7
ADC generic input channel 7, group 1. ADIN7 may be used as a general purpose unscaled input or as a divide by 2 scaled
input. In a typical application, an ambient light sensor is connected here. A second general purpose input ADIN7B is available
on channel 7. This input is muxed on the GPO4 pin. In the application, a second ambient light sensor is supposed to be connected
here.
TSX1 AND TSX2, TSY1 AND TSY2 - Note: The TS[xy] [12] inputs must not exceed BP or VCORE.
Touch Screen Interfaces X1 and X2, Y1 and Y2. The touch screen X plate is connected to TSX1 and TSX2, while the Y plate
is connected to Y1 and Y2. In inactive mode, these pins can also be used as general purpose ADC inputs. They are respectively
mapped on ADC channels 4, 5, 6, and 7. In interrupt mode, a voltage is applied to the X-plate (TSX2) via a weak current source
to VCORE, while the Y-plate is connected to ground (TSY1).
TSREF
Touch Screen Reference regulator. This regulator is powered from VCORE. In applications not supporting touch screen, the
TSREF can be used as a low current general purpose regulator, or it can be kept disabled and the bypass capacitor omitted.
ADTRIG
ADC trigger input. A rising edge on this pin will start an ADC conversion.
GNDADC
Ground for A to D circuitry.
THERMAL GROUNDS
GNDSUB1-9
General grounds and thermal heat sinks.
MC13892
Analog Integrated Circuit Device Data
Freescale Semiconductor
39
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