Intel E3815 FH8065301567411 Fiche De Données
Codes de produits
FH8065301567411
Intel
®
Atom™ Processor E3800 Product Family
Datasheet
467
31
28
24
20
16
12
8
4
0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0
RE
SE
RVED
GP
IO_DA
TA_IN_RO
GPIO
_DA
TA_V
A
LU
E_R_W
GP
IO_D
A
TA_MA
SK_WO
GPIO_DA
TA_DIREC
T
ION_V
A
LU
E_R_W
GPI
O
_DA
TA_DIRECTION_MASK_WO
RESE
RVED
_1
G
PIO_CL
O
C
K
_DA
TA_IN_RO
GP
IO_C
LO
CK_DA
TA_V
A
LU
E
_
R_W
GPIO_CL
O
CK_D
A
TA_MASK_WO
GPI
O
_C
LO
CK_DIRE
C
TION_V
ALU
E
_R_W
G
PIO_CL
O
C
K
_DIRECTION_MASK_WO
Bit
Range
Default &
Access
Field Name (ID): Description
31:13
0b
RW
RESERVED:
Reserved.
12
0b
RO
GPIO_DATA_IN_RO:
This is the value that is sampled on the GPIO_Data pin as an
input.
This input is synchronized to the Core Clock domain. Because the default setting is this
buffer is an input, this bit is undefined at reset.
AccessType: Read Only
11
1b
RW
GPIO_DATA_VALUE_R_W:
This is the value that should be place on the GPIO Data
pin as an output. This value is only written into the register if GPIO DATA MASK is also
asserted. The value will appear on the pin if this data value is actually written to this
register and the GPIO Data DIRECTION VALUE contains a value that will configure the
pin as an output.
Default = 1. The GPIO default clock data value is programmed to 1 in hardware. The
hardware drives a default of 1 since the I2C interface defaults to a 1 . (this mimics the
I2C external pull-ups on the bus)
10
0b
WO
GPIO_DATA_MASK_WO:
This is a mask bit to determine whether the GPIO DATA
VALUE bit should be written into the register. This value is not stored and when read
returns 0.
0 = Do NOT write GPIO Data Value bit (default).
1 = Write GPIO Data Value bit.
AccessType: Write Only
9
0b
RW
GPIO_DATA_DIRECTION_VALUE_R_W:
This is the value that should be used to
define the output enable of the GPIO Data pin. This value is only written into the register
if GPIO Data DIRECTION MASK is also asserted. The value that will appear on the pin is
defined by what is in the register for the GPIO DATA VALUE bit.
0 = Pin is configured as an input (default)
1 = Pin is configured as an output.
8
0b
WO
GPIO_DATA_DIRECTION_MASK_WO:
This is a mask bit to determine whether the
GPIO DIRECTION VALUE bit should be written into the register. This value is not stored
and when read always returns 0.
0 = Do NOT write GPIO Data Direction Value bit (default).
1 = Write GPIO Data Direction Value bit.
AccessType: Write Only
7:5
0b
RW
RESERVED_1:
must be written with zeros.
4
0b
RO
GPIO_CLOCK_DATA_IN_RO:
This is the value that is sampled on the GPIO Clock pin
as an input.
This input is synchronized to the Core Clock domain. Because the default setting is this
buffer is an input, this bit is undefined at reset.
AccessType: Read Only