Bouffalo Lab BL702 - Page 218

BL702/704/706 Reference Manual
11.9.4 i2c_bus_busy
Address：0x4000a30c
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
RSVD
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RSVD BUSY
CLR
BUSY
Bits
Name Type Reset Description
31:2 RSVD
1 BUSYCLR W1C 1’b0 Clear signal of bus_busy status, not for normal usage (in
case I2C bus hangs)
0 BUSY R 1’b0 Indicator of I2C bus busy
11.9.5 i2c_prd_start
Address：0x4000a310
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PRDSPH3 PRDSPH2
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PRDSPH1 PRDSPH0
Bits
Name Type Reset Description
31:24 PRDSPH3 R/W 8’d15 Length of START condition phase 3
23:16 PRDSPH2 R/W 8’d15 Length of START condition phase 2
15:8 PRDSPH1 R/W 8’d15 Length of START condition phase 1
7:0 PRDSPH0 R/W 8’d15 Length of START condition phase 0
BL702/704/706 Reference Manual 218/ 375
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