参数资料
型号: MC13892VKR2
厂商: Freescale Semiconductor
文件页数: 39/158页
文件大小: 0K
描述: IC PMU I.MX51/37/35/27 139MAPBGA
标准包装: 2,000
应用: 电池管理,显示器(LED 驱动器),手持/移动设备,电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 139-TFBGA
供应商设备封装: 139-PBGA(7x7)
包装: 带卷 (TR)
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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