Cirrus Logic CS5378 - Manual (Page 73)

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/W R/W R/W R/W R/W R/W R/W R/W
0 0 0 0 0 0 0 0
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/W R/W R/W R/W R/W R/W R/W R/W
1 1 1 1 1 1 1 1
7 6 5 4 3 2 1 (LSB) 0
GP_DATA7 GP_DATA6 GP_DATA5 GP_DATA4 GP_DATA3 GP_DATA2 GP_DATA1 GP_DATA0
R/W R/W R/W R/W R/W R/W R/W R/W
1 1 1 1 1 1 1 1
DF Address: 0x0E
-- Not defined;
read as 0
R Readable
W Writable
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