Bouffalo Lab BL702 - Page 328

BL702/704/706 Reference Manual
18.4.12 ep3_config
Address：0x4000d848
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
RSVD E3RS E3RS E3N E3S
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
E3T E3D E3S
Bits
Name Type Reset Description
31:20 RSVD
19 E3RS R 1’b0 Endpoint ready status bit. Asserted with ep_rdy, and de-
asserted when ACK is sent/received.
18 E3RS W1C 1’b0 Endpoint ready. When Endpoint NACK is enabled, assert-
ing this bit will allow one packet to be transferred
17 E3N R/W 1’b1 Endpoint NACK response enable, should not be enabled
with STALL at the same time
must be 1
16 E3S R/W 1’b0 Endpoint STALL response enable, should not be enabled
with NACK at the same time
Set 1 when endpoint needs to be suspend (respond STALL)
15:13 E3T R/W 3’b100 Endpoint type
3’b101: CTRL
3’b010: ISO
3’b100: BULK
3’b000: INT
Others: Reserved
12:11 E3D R/W 2’b01 Endpoint direction
2’b00: Disabled
2’b01: IN
2’b10: OUT
2’b11: Reserved
10:0 E3S R/W 11’d64 Endpoint max packet size
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