参数资料
型号: EVAL-ADUC7121QSPZ
厂商: Analog Devices Inc
文件页数: 50/96页
文件大小: 0K
描述: BOARD EVALUATION FOR ADUC7121
设计资源: ADUC7121 Gerber Files
ADUC7121 Schematic
标准包装: 1
系列: MicroConverter® ADuC7xxx
类型: MCU
适用于相关产品: ADUC7121
所含物品: 板,CD
ADuC7121
Data Sheet
Rev. B | Page 54 of 96
Table 76. GPxCON MMR Bit Designations
Bit
Description
31:30
Reserved
29:28
Select function of the Px.7 pin
27:26
Reserved
25:24
Select function of the Px.6 pin
23:22
Reserved
21:20
Select function of the Px.5 pin
19:18
Reserved
17:16
Select function of the Px.4 pin
15:14
Reserved
13:12
Select function of the Px.3 pin
11:10
Reserved
9:8
Select function of the Px.2 pin
7:6
Reserved
5:4
Select function of the Px.1 pin
3:2
Reserved
1:0
Select function of the Px.0 pin
GPxPAR Registers
The GPxPAR registers program the parameters for Port 0, Port 1,
Port 2, and Port 3. Note that the GPxDAT MMR must always be
written after changing the GPxPAR MMR.
Name:
GP0PAR
Address:
0xFFFF0D2C
Default value:
0x20000000
Access:
Read and write
Name:
GP1PAR
Address:
0xFFFF0D3C
Default value:
0x00000000
Access:
Read and write
Name:
GP2PAR
Address:
0xFFFF0D4C
Default value:
0x00000000
Access:
Read and write
Name:
GP3PAR
Address:
0xFFFF0D5C
Default value:
0x00222222
Access:
Read and write
Table 77. GPxPAR MMR Bit Designations
Bit
Description
31:29
Reserved
28
Pull-up disable Px.7 pin
Set to 1 to enable the pull-up
Clear to 0 to disable the pull-up
27:25
Reserved
24
Pull-up disable Px.6 pin
23:21
Reserved
20
Pull-up disable Px.5 pin
19:17
Reserved
16
Pull-up disable Px.4 pin
15:13
Reserved
12
Pull-up disable Px.3 pin
11:9
Reserved
8
Pull-up disable Px.2 pin
7:5
Reserved
4
Pull-up disable Px.1 pin
3:1
Reserved
0
Pull-up disable Px.0 pin
GPxDAT Register
GPxDAT is a Port x configuration and data register. It configures
the direction of the GPIO pins of Port x, sets the output value
for the pins configured as output, and receives and stores the
input value of the pins configured as inputs.
Name:
GP0DAT
Address:
0xFFFF0D20
Default value:
0x000000XX
Access:
Read and write
Name:
GP1DAT
Address:
0xFFFF0D30
Default value:
0x000000XX
Access:
Read and write
Name:
GP2DAT
Address:
0xFFFF0D40
Default value:
0x000000XX
Access:
Read and write
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