UPD1002
DS00001760B-page 26 2014 Microchip Technology Inc.
3.3.2 PIN CONFIGURATION
The UPD1002 32-SQFN package provides selectable pin configurations via the CFG_SEL0 and CFG_SEL1 pins, as
defined in Table 3-3, "32-SQFN CFG_SELx Configuration Assignments". Table 1-1, "UPD1002 Package/Pin Configura-
tion Summary" provides a summary of the available pin configurations . Refer to Section 2.1, "32-Pin SQFN (32-SQFN)"
for details on the package pin definitions.
3.3.3 RECEPTACLE TYPE
The USB receptacle type is configurable between Standard-A, Standard-B, and Micro-AB types via the CFG_SEL0 and
CFG_SEL1 pins, as defined in Section 3.3, "Configuration Selection (CFG_SEL0/CFG_SEL1)". Each of these recepta-
cle type settings is detailed below.
3.3.3.1 Standard-A (STD-A)
The Standard-A setting informs the device that the designer is utilizing a Standard-A USB PD receptacle.
3.3.3.2 Standard-B (STD-B)
The Standard-B setting informs the device that the designer is utilizing a Standard-B USB PD receptacle.
3.3.3.3 Micro-AB (uAB)
The Micro-AB setting informs the device that the designer is utilizing a Micro-AB USB PD receptacle.
3.3.4 USB POWER DELIVERY ROLE SELECTION
The Power Delivery Provider and Consumer capabilities are detailed in the following sub-sections. Depending on the
pin configuration selected, the device may support and swap Consumer and Provider roles. The swapping rules for each
configuration are defined as follows:
Note: For summary of all device pinouts and their associated Power Delivery capabilities, refer to Table 1-1,
"UPD1002 Package/Pin Configuration Summary".
Downstream Facing Port (DFP) Provider Configurations (32-P_A
)
DFP Provider (STD-A receptacle) configurations only support the Provider role and therefore do not support role swap.
Upstream Facing Port (UFP) Consumer/Provider Configurations (32-CP_B
)
UFP Consumer/Provider (STD-B receptacle) configurations start operation in their default role of consumers and sup-
port role swapping. Swapping rules for UFP Consumer/Provider configurations are defined as follows:
• When operating as a Consumer:
- Upon starting up, the UFP automatically initiates a swap request to its partner to become a Provider. If the
partner rejects the request, the UFP will remain in its Consumer role until the partner requests a swap.
- If the device receives a swap request from its partner to become a Consumer, it automatically accepts it.
25
Provider/Consumer 32-PC_uAB uAB
12V@1.5A VSafe5V-L N/A N/A N/A 2 3
26 12V@3A VSafe5V-L N/A N/A N/A 2 4
27 12V@3A Profile 1 N/A N/A N/A 2 5
28 12V@3A Profile 1, PP-200 N/A N/A N/A 2 6
29 20V@3A Profile 1 N/A N/A N/A 2 7
30 20V@3A Profile 1, PP-200 N/A N/A N/A 2 8
TABLE 3-3: 32-SQFN CFG_SELX CONFIGURATION ASSIGNMENTS (CONTINUED)
Config. #
Application
32-SQFN
Pin Config.
USB
Receptacle
Type
PD Consumer
Abilities
PD Provider
Abilities
VSEL0_N
VSEL1_N
VSEL2_N
CFG_SEL1
Bin
CFG_SEL0
Bin
