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参数资料
| 型号： | MC34827A2EPR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 31/57页 |
| 文件大小： | 0K |
| 描述： | IC USB POWER MANAGER 20-QFN |
| 标准包装： | 1 |
| 应用： | OR 控制器，UART/USB 数据，音频管理 |
| 电流 - 电源： | 9µA |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-UFQFN 裸露焊盘 |
| 供应商设备封装： | 20-QFN-EP（3x4） |
| 包装： | 标准包装 |
| 其它名称： | MC34827A2EPR2DKR |
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FUNCTIONAL DEVICE OPERATION
OPERATION AFTER IDENTIFICATION
Baseband
VDD
Charger
Test
Interface
JIG
BOOT
OUT
UART
VBUS
Det
VBUS
JIG
Cable
UART
Interface
UART
RxD
TxD
ADC
ID Det
DP
DM
ID
GND
D+
D-
ID
GND
SHLD
Figure 26. Operation of the UART JIG Cable
TTY CONVERTER
A TTY converter is a type of audio accessory. It has its own
ID resistance. When a TTY converter is attached, the TTY bit
in the Device Type register and the Attach interrupt bit are
set. With the normal operation setting of the control bits, the
automatic switch configuration of the TTY converter is similar
to that of Audio Type 1 accessory, that is the SPK_R to DP
to DM switch can only be turned on when TTY_SKPL bit in
FSL Control register is set to 1 manually. The TTY accessory
doesn’t support the remote control key.
The Power Save mode operation and the detachment
detection are the same as those of the Audio Type 1 device.
switch and MIC to VBUS switch are turned on, but the SPK_L
UART
With the normal operation setting of the control bits, when
the identified accessory is a UART cable, both the RxD and
the TxD switches are switched on (see Figure 27 ). The power
MOSFET is off, and the JIG output high-impedance and the
BOOT outputs low-voltage.
The ID detection comparator continues to be on for
detachment detection in the Active mode. When the
ID_FLOAT is set, the Detach bit in the interrupt register is set
to inform the host that the accessory is detached.Then the
34827 enters the Standby mode.
Baseband
VDD
Charger
OUT
UART
Cable
UART
VBUS
Det
VBUS
Interface
UART
RxD
TxD
ADC
ID Det
DP
DM
ID
GND
D+
D-
ID
GND
SHLD
Figure 27. Operation of the UART Cable
MC34827
Analog Integrated Circuit Device Data
Freescale Semiconductor
31
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC34829 | 制造商:SPC Multicomp 功能描述:CONNECTOR FPC SMD 0.5MM 20WAY |
| MC3482BL | 制造商:Motorola Inc 功能描述: |
| MC34831 | 制造商:SPC Multicomp 功能描述:HEADER VERTICAL SMT 7WAY 制造商:SPC Multicomp 功能描述:HEADER, VERTICAL, SMT, 7WAY 制造商:SPC Multicomp 功能描述:WIRE-BOARD CONNECTOR HEADER 7POS, 1.25MM; Connector Type:Wire to Board; Series:1251S; Contact Termination:Surface Mount Vertical; Gender:Header; No. of Contacts:7; No. of Rows:1; Pitch Spacing:1.25mm; Contact Plating:Tin ;RoHS Compliant: Yes |
| MC34833 | 制造商:SPC Multicomp 功能描述:HEADER VERTICAL SMT 11WAY |
| MC34835 | 制造商:SPC Multicomp 功能描述:HEADER VERTICAL SMT 14WAY 制造商:SPC Multicomp 功能描述:HEADER, VERTICAL, SMT, 14WAY |
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