HT45F5N Datasheet, PDF (139/202 Pages) Holtek Semiconductor Inc – Power Bank ASSP Flash MCU

HT45F5N/HT45FH5N
Power Bank ASSP Flash MCU
USB Auto Detection
The device includes three USB ports named D0+/D0-, D1+/D1- and D2+/D2- to implement the
Charge/Discharge Devices Auto Detection function. Users can distinguish the device connected to
the USB ports is a dedicated charger, portable device, general USB interface or charging device with
USB interface by monitoring the voltage and current of the connected USB lines.
VDPO�
VBG
(LVRLVD)
VDP_SRC(0.�V)
VREF
DAC0RV
VDD
M
U
X
DAC0O�
ADUDA0[7:0]
�-�it
DAC0
DAC1RV
VDD
M
U
X
DAC1O�
ADUDA1[7:0]
�-�it
DAC1
DAC�RV
VDD
M
U
X
DAC�O�
ADUDA�[7:0]
�-�it
DAC�
DAC3RV
VDD
M
U
X
DAC3O�
ADUDA3[7:0]
�-�it
DAC3
PD0
PD1
M
U
X
D0PSW
PDS0[1:0]
M
U
X
PDS1[1:0]
PD�
M
U
X
PDS�[1:0]
USW1
PD3
M
U
X
PDS3[1:0]
PD4
PD5
M
U
X
PDS4[1:0]
USW�
M
U
X
PDS5[1:0]
D0+
D0PPL
D0-
D0�PL
D1+
D1PPL
D1-
D1�PL
D�+
D�PPL
D�-
D��PL
USB Auto Detection Block Diagram
Rev. 1.00
139
November 18, 2016