Rainbow Electronics W90N745CDG - Manual (Page 336)

W90N745CD/W90N745CDG
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11 10 01 00
PT5CFG11
Name Type Name Type Name Type Name Type
PORT5_11 RESERVED RESERVED nIRQ0 I GPIO16 I/O
11 10 01 00
PT5CFG12
Name Type Name Type Name Type Name Type
PORT5_12 RESERVED USBOVCUR I nIRQ1 I GPIO17 I/O
GPIO Port5 Direction Register (GPIO_DIR5)
REGISTER ADDRESS R/W DESCRIPTION RESET VALUE
GPIO_DIR5 0xFFF8_3054 R/W
GPIO port5 in/out direction control
and pull-up enable register
0x0000_0000
31 30 29 28 27 26 25 24
RESERVED PUPEN5[12:8]
23 22 21 20 19 18 17 16
PUPEN5[7:0]
15 14 13 12 11 10 9 8
RESERVED OMDEN5[12:8]
7 6 5 4 3 2 1 0
OMDEN5[7:0]
BITS DESCRIPTION
[31:29] RESERVED -
[28:16] PUPEN5
GPIO17 ~ GPIO5 port pin internal pull-up resister enable
There are 13 bits for this register, the corresponding bit is set to
“1” will enable pull-up resister on IO pin.
1 = enable
0 = disable
After power on the pull-up resisters are disable.
[15:13] RESERVED
[12:0] OUTEN5
GPIO17 ~ GPIO5 output mode enable
1 = output mode
0 = input mode
NOTE: Output mode enable bits are valid only when bit
PT5CFG12-0 is configured as general purpose I/O mode.
Each port pin can be enabled individually by setting the
corresponding control bit.