Manual
CS5378
DS639F3 73
20.2.2 GPCFG : 0x0E
(MSB) 23 22 21 20 19 18 17 16
GP_DIR7 GP_DIR6 GP_DIR5 GP_DIR4 GP_DIR3 GP_DIR2 GP_DIR1 GP_DIR0
R/WR/WR/WR/WR/WR/WR/WR/W
00000000
15 14 13 12 11 10 9 8
GP_PULL7 GP_PULL6 GP_PULL5 GP_PULL4 GP_PULL3 GP_PULL2 GP_PULL1 GP_PULL0
R/WR/WR/WR/WR/WR/WR/WR/W
11111111
7654321(LSB) 0
GP_DATA7 GP_DATA6 GP_DATA5 GP_DATA4 GP_DATA3 GP_DATA2 GP_DATA1 GP_DATA0
R/WR/WR/WR/WR/WR/WR/WR/W
11111111
DF Address: 0x0E
-- Not defined;
read as 0
RReadable
WWritable
R/W Readable and
Writable
Bits in bottom rows
are reset condition
Bit definitions:
Notes:
GPIO[7] also used as BOOT mode select after reset
GPIO[6:4] also used as PLL mode select after reset.
23:16 GP_DIR
[7:0]
GPIO pin direction
1: Output
0: Input
15:8 GP_PULL
[7:0]
GPIO pullup resistor
1: Enabled
0: Disabled
7:0 GP_DATA
[7:0]
GPIO data value
1: VDD
0: GND
Figure 44. GPIO Configuration Register GPCFG