参数资料
型号: KIT13892VLEVBEJ
厂商: Freescale Semiconductor
文件页数: 38/158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
CLK
Primary SPI clock input. In I 2 C mode, this pin is the SCL signal (I 2 C bus clock).
MOSI
Primary SPI write input. In I 2 C mode, the MOSI pin hard wired to ground or VCORE is used to select between two possible
addresses (A0 address selection).
MISO
Primary SPI read output. In I 2 C mode, this pin is the SDA signal (bi-directional serial data line).
GNDSPI
Ground for SPI interface.
USB
UID
This pin identifies if a mini-A or mini-B style plug has been connected to the application. The state of the ID detection can be
read via the SPI, to poll dedicated sense bits for a floating, grounded, or factory mode condition on the UID pin.
UVBUS
1. USB transceiver cable interface.
2. OTG supply output.
When SWBST is configured to supply the UVBUS pin in OTG mode, the feedback will switch to sense the UVBUS pin instead
of the SWBSTFB pin.
VUSB
This is the regulator used to provide a voltage to an external USB transceiver IC.
VINUSB
Input option for VUSB; supplied by SWBST. This pin is internally connected to the UVBUS pin for OTG mode operation (for
more details about OTG mode).
Note: When VUSBIN = 1, UVBUS will be connected via internal switches to VINUSB and incur some current drain on that pin,
as much as 270 μ A maximum, so care must be taken to disable this path and set this SPI bit (VUSBIN) to 0 to minimize current
drain, even if SWBST and/or VUSB are disabled.
VBUSEN
External VBUS enable pin for the OTG supply. VBUS is defined as the power rail of the USB cable (+5.0 V).
A TO D CONVERTER
Note: The ADIN5/6/7 inputs must not exceed BP.
ADIN5
ADC generic input channel 5. ADIN5 may be used as a general purpose unscaled input, but in a typical application, ADIN5 is
used to read out the battery pack thermistor. The thermistor must be biased with an external pull-up to a voltage rail greater than
the ADC input range. In order to save current when the thermistor reading is not required, it can be biased from one of the general
purpose IOs such as GPO1. A resistor divider network should assure the resulting voltage falls within the ADC input range, in
particular when the thermistor check function is used.
ADIN6
ADC generic input channel 6. ADIN6 may be used as a general purpose unscaled input, but in a typical application, the PA
thermistor is connected here.
MC13892
Analog Integrated Circuit Device Data
38
Freescale Semiconductor
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