Realtek Ameba-D RTL872 D Series User Manual page 83

Bit Name
31:GPIO _PWIDTH_A Reserved
GPIO _PWIDTH_A–1:0 GPIO int bothedge
8.3.3.28 gpio_ver_id_code

Name: GPIO Component Version

Size:32 bits

Address offset: 0x6C

Read/write access: read
Bit Name
31:0 GPIO Component Version
8.3.3.29 gpio_config_reg1

Name: GPIO Configuration Register 1

Size:32 bits

Address offset: 0x74

Read/write access: read
This register is present when the configuration parameter GPIO_ADD_ENCODED_PARAMS is set to True. If this parameter is set to False, this
register reads back zero (0).
Bit Name
31:21 Reserved
20:16 ENCODED_ID_WIDTH
15 GPIO_ID
14 ADD_ENCODED_PARAMS
User Manual
Access Description
Read as zero Reserved
R/W This is a user-specified code that a system can read. It can be used
for chip identification, and so on.
Reset Value: GPIO_ID_NUM
Access Description
R ASCII value for each number in the version, followed by *. For example
32_30_31_2A represents the version 2.01*.
Reset Value: See the releases table in the Release Notes
Access Description
Read as zero Reserved
R The value of this register is equal to GPIO_ID_WIDTH-1.
R The value of this register is derived from the GPIO_ID configuration parameter.
0 = Exclude
1 = Include
R The value of this register is derived from the GPIO_ADD_ENCODED_PARAMS
configuration parameter.
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83
General Purpose Input/Output (GPIO)
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