aduc7030 Analog Devices, Inc., aduc7030 Datasheet - Page 96

• Manufacturer Part Number: aduc7030
• Description: Integrated Precision Battery Sensor For Automotive
• Manufacturer: Analog Devices, Inc.

ADuC7030/ADuC7033
GPIO Port0 Control Register:
Name:
Address:
Default Value:
Access:
Function:
Table 53. GP0CON MMR Bit Designations
Bit
31-29
28
27-25
24
23-21
20
19-17
16
15-13
12
11-9
8
7-5
4
3-1
0
Description
Reserved
These bits are reserved and should be written as 0 by user code
Reserved
This bit is reserved and should be written as 1 by user code
Reserved
These bits are reserved and should be written as 0 by user code
Internal P0.6 Enable Bit
This bit must be set to 1 by user software to enable the High Voltage Serial Interface before using the HVCON and HVDAT
registered high voltage interface
Reserved
These bits are reserved and should be written as 0 by user code
Internal P0.5 Enable Bit
This bit must be set to 1 by user software to enable the High Voltage Serial Interface before using the HVCON and HVDAT
registered high voltage interface
Reserved
These bits are reserved and should be written as 0 by user code
GPIO_4 Function Select Bit
This bit is cleared by user code to 0 to configure the GPIO_4 pin as a General Purpose I/O (GPIO) pin
This bit is set to 1 by user code to configure the GPIO_4 pin as ECLK enabling a 2.56MHz clock output on this pin
Reserved
These bits are reserved and should be written as 0 by user code
GPIO_3 Function Select Bit
This bit is cleared by user code to 0 to configure the GPIO_3 pin as a General Purpose I/O (GPIO) pin
This bit is set to 1 by user code to configure the GPIO_3 pin as MOSI, Master Output, Slave Input Data for the SPI Port
Reserved
These bits are reserved and should be written as 0 by user code
GPIO_2 Function Select Bit
This bit is cleared to 0 by user code to configure the GPIO_2 pin as a General Purpose I/O (GPIO) pin
This bit is set to 1 by user code to configure the GPIO_2 pin as MISO, Master Input, Slave Output Data for the SPI Port
Reserved
These bits are reserved and should be written as 0 by user code
GPIO_1 Function Select Bit
This bit is cleared to 0 by user code to configure the GPIO_1 pin as a General Purpose I/O (GPIO) pin
This bit is set to 1 by user code to configure the GPIO_1 pin as SCLK, Serial Clock I/O for the SPI Port
Reserved
These bits are reserved and should be written as 0 by user code
GPIO_0 Function Select Bit
This bit is cleared to 0 by user code to configure the GPIO_0 pin as a General Purpose I/O (GPIO) pin
This bit is set to 1 by user code to configure the GPIO_0 pin as SS, Serial Clock I/O for the SPI Port
GP0CON
0xFFFF0D00
0x11100000
Read/Write
The 32-bit MMR selects the pin function for each Port0 pin.
Rev. PrE | Page 96 of 150
Preliminary Technical Data