SX8724 SEMTECH [Semtech Corporation], SX8724 Datasheet - Page 29

• Manufacturer Part Number: SX8724
• Manufacturer: SEMTECH [Semtech Corporation]

ADVANCED COMMUNICATIONS & SENSING
GPIO Registers
V1.23 © 2009 Semtech Corp.
7
6
5
4
3
2
1
0
7:4
3
2
1
0
Bit
Bit
-
D3_IN
D2_IN
D1_IN
D0_IN
D3_DIR
D2_DIR
D1_DIR
D0_DIR
D3_OUT
D2_OUT
D1_OUT
D0_OUT
Name
Name
rw
rw
rw
rw
rw
rw
rw
rw
r
r
r
r
r
Mode
Mode
0000
-
-
-
-
1
1
1
1
0
0
0
0
ZoomingADC™ for Pressure and Temperature Sensing
Reset
Reset
Table - 19 RegOut (0x40)
Table - 20 RegIn (0x41)
D3 pad direction:
D2 pad direction:
D1 pad direction:
D0 pad direction:
D3 pad output value. Only valid when D3_DIR = 1
D2 pad output value. Only valid when D2_DIR = 1
D1 pad output value. Only valid when D1_DIR = 1 and VREF_D1_IN = 0
D0
VREF_D0_OUT = 0
Unused
D3 pad value
D2 pad value
D1 pad value
D0 pad value
29
pad
output
value.
1 = Output
1 = Output
1 = Output
1 = Output
Only
Description
Description
0 = Input
0 = Input
0 = Input
0 = Input
valid
when
www.semtech.com
D0_DIR
SX8724
=
1
and