Chrontel CH7219 Toepassingsnotitie - Pagina 6

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CHRONTEL
2.6
USB Type-C Signal Pins
• USB0_DN/P
The D+/- input of USB Type-C interface. These pin should be pulled low with 10K Ω or shorted to Ground directly if
unused.
• VBUS_DET
Voltage input 0~5V.
• Rd
USB Type-C Dead Battery Rd Resistor, Connect CC0_A or CC1_A to this pin to enable dead battery Rd on CC0_A
or CC1_A pin. It can be left open or pulled down to the ground if unused.
• CC0_A/VCONN/VCONN_DET
CC0_A
Port A USB Type-C Configure Channel 0.
VCONN Connect this pin to VCONN pin of USB Type-C Plug Connector if CH7219 is used in VCONN Power
Accessory mode.
VCONN_DET USB VCONN Voltage Detection, Voltage input 2.7 ~ 5.5v
• Ra
6
U1
52
C1 0.1uF
AUXN
53
C2 0.1uF
AUXP
49
HPD_DP
R1
R2
100K
100K
CH7219
Sink
+3.3V
R5
R6
R7
1M
1M
100K
U3
52
C5 0.1uF
AUXN
53
C6 0.1uF
AUXP
49
HPD_DP
R3
100K
CH7219
Sink
+3.3V
R10
R11
1M
1M
U5
52
C7 0.1uF
AUXN
53
C8 0.1uF
AUXP
49
HPD_DP
CH7219
Sink
UFP_D Pin Assignment C
Figure 8: CH7219 AUX channel and HPD_DP
U2
AUXN
GMCH
AUXP
HPDET
Source eDP
+3.3V
R8
100K
U4
C3 0.1uF
AUXN
C4 0.1uF
AUXP
GMCH
HPD_DP
R4
100K
Source DP
U6
A8
SBU1
B8
SBU2
Type-C Connector
206-1000-058
AN-B058
Rev. 0.1
2023-10-25