Hynetek RD-2206 Evaluation Board User Manual
- June 13, 2024
- Hynetek
Table of Contents
Hynetek RD-2206 Evaluation Board User Manual
INTRODUCTION
The HUSB311 evaluation board EVB_HUSB311_BLA has provide the necessary passive components needed by the HUSB311. It is designed to work with different USB Type-C Port Manager (TCPM). The TCPM can control the HUSB311 via the SDA, SCL, and INT_N pins. After a couple configurations in the TCPM, the HUSB311 can function as a source, sink or dual−role port. All pins has test points and connects to the P1 connector in the schematic
DESCRIPTION
The HUSB311 is a USB Type-C port controller that complies with the latest USB Type-C and PD standards. The HUSB311 integrates a complete TypeC Transceiver including the Rp and Rd resistors. It does the USB Type-C detection including attach and orientation. The HUSB311 integrates the physical layer of the USB BMC power delivery protocol to allow up to 100W of power delivery.
FEATURES
- Dual-Role PD Compatible
- Attach/Detach Detection as Host, Device or DRP
- Current Capability Definition and Detection
- Cable Recognition
- Dead Battery Support
- Ultra-low Power Mode for Attach Detection
- Simple I2C Interface with AP or EC
- BIST Mode Supported
- Two I2C addresses
- 9-Ball WL-CSP and 14-Lead QFN Packages
- E-fuse IP
POWER SUPPLY
The power supply on VDD pin is 2.8V ~ 5.5V. A 0.1uF capacitor is recommended on VDD pin. The capacitor is C5 in the schematic. The external power supply for VDD should connect to the J3 connector.
I 2C COMMUNICATION
The TCPM can communicate with the HUSB311 through the I 2C by connecting the I2C master signal to the SDA and SCL pins. The I2C address of the HUSB311 can be set as 0x4E or 0x3E. The 0x4E is the default address value. The SDA and SCL pins can be pull up to VDD pin by R1, R2 separately if the I2C master has no pull up resistors.
INT_N
The INT_N is open drain type interrupt output used to prompt the TCPM to handle the events reported by the HUSB311. The INT_N can be pull up to VDD by R5 if the TCPM has no pull up resistor. CC PINS
The CC1 and CC2 pins are connected to the Type−C receptacle J1 on the board. The HUSB311 demo contains the cReceiver capacitance specified in the USB PD specification for the CC pins which is 330pF. These capacitors are C6 and C7 in the schematic.
VBUS
The VBUS is connected to the Type−C receptacle J1. One 0.1uF capacitor C11 is on VBUS. The C11 can be removed in typical application.
VCONN
It is a regulated input pin to be switched to correct CC pin as VCONN to power the Type-C full-featured cables and other accessories. The power supply on VCONN is 3.0V ~ 5.5V. One 0.1uF capacitor is recommended on the VCONN pin. The capacitor is C10 in the schematic. The external power supply for VCONN should connect to the J2 connector.
OPERATION
For the HUSB311, all of registers are reset to default values after a power
cycle. Therefore, after the TCPM is powered up, it is necessary to configure
the HUSB311 to start normal operation. When the HUSB311 and TCPM complete the
initialization, the TCPM is able to configure the HUSB311 as expected. For
different target role, different configurations will be applied to the
HUSB311. Figure 1.
Figure 1. DRP mode configuration flowchart
shows the DRP mode configurations procedure.
After the ROLE_CONTROL Register is set as 0x5A, it is preferred to check the HUSB311 is toggling properly or not by reading back the ROLE_CONTROL and CC_STATUS Registers.
During the configuration, it is possible to transit to AttachWait. SNK since the default CC setting is Rd/Rd. it is achieved by the info of VBUS_COMP.VBUS_80 (address = 0x97), CC_STATUS (address = 0x1D) and ROLE_CONTROL (address = 0x1A). VBUS_COMP.VBUS_80=1’b0 when CC_STATUS Register is not 8’bxx100000 (The TCPC is not presenting Rp, and not in SNK. Open state) would make the state transition to AttachWait.SNK; when the CC_STATUS Register is not 8’bxx110000(The HUSB311 is not presenting Rd, and not in SRC. Open state). After CC_STATUS.DRP_STATUS=1’b0 which means DRP stop togging), the HUSB311 would refill the TCPC_CONTROL and ROLE_CONTROL Registers. Soft Reset must be set before executing COMMAND.Look4Connection.
DESIGN DOCUMENTS
PHOTO
Figure 2. shown the photo of EVB_HUSB311_BLA. The connector J1 is the USB
Type-C receptacle. The regulated VCONN power is applied on J2 connector. The
VDD power is applied on J3 connector. The connector J4 is the I2C
communication interface.
Figure 2. Photo of EVB_HUSB311_BLA
SCHEMATIC
Figure 3. Schematic of EVB_HUSB311_BLA
BILL OF MATERIALS
| Comment | Description | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 0.1uF/16V | CAP CER 0.1UF 16V X7R 0603 | C1, C3 | C/0603-FS | 2 |
| 1uF/16V | CAP CER 1UF 16V X7R 1206 | C2, C4 | C/1206-FS | 2 |
| 1uF/16V | CAP CER 1UF 16V X7R 0805 | C5, C10, C11 | C/0805-FS | 3 |
| 330pF/30V | CAP CER 330PF 30V C0G 0603 | C6, C7 | C/0603-FS | 2 |
| 100pF/16V/NC | CAP CER 100PF 16V NP0 0603 | C8, C9 | C/0603-SMT | 2 |
| TYPE-16 | TYPE-16 | J1 | J/TYEC-16 | 1 |
| ED120/2DS | TERM BLK 2P SIDE ENT 5.08MM PCB | J2_VCONN, J3_VDD | ED120-2 | 2 |
| I2C CONN | CONN HEADER VERT 4POS 2.54MM | J4 | J/CON4_254 | 1 |
| MH-Φ4 | S-Φ4 | M1, M2, M3, M4 | S-Φ4 | 4 |
| Header 9X2 | Header, 9-Pin, Dual row | P1 | HDR2X9 | 1 |
| 5.1K/1%/NC | RES SMD 5.1K OHM 5% 1/10W 0603 | R1, R2, R5 | R/0603-FS | 3 |
RD-2206
| 22/1% | RES SMD 22 OHM 1% 1/10W 0603 | R3, R4 | R/0603-SMT | 2 |
|---|---|---|---|---|
| VDD | Test Point | TS1 | TP-1.2-B | 1 |
| SCL | Test Point | TS2 | TP-1.2-B | 1 |
| CC1 | Test Point | TS3 | TP-1.2-B | 1 |
| VCONN | Test Point | TS4 | TP-1.2-B | 1 |
| SDA | Test Point | TS5 | TP-1.2-B | 1 |
| CC2 | Test Point | TS6 | TP-1.2-B | 1 |
| VBUS | Test Point | TS7 | TP-1.2-B | 1 |
| INT_N | Test Point | TS8 | TP-1.2-B | 1 |
| GND | Test Point | TS9, TS10 | TP-1.2-B | 2 |
| HUSB311_BLA | USB Type-C Port Controller | U1 | QFN2.5×2.5_14 L | 1 |
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