Ameba-D User Manual
User Manual All information provided in this document is subject to legal disclaimers. © REALTEK 2019. All rights reserved.
82
GPIO_PWIDTH_D
–1:0
External
Port D
R
When Port D is configured as Input, then reading this location reads
the values on the signal. When the data direction of Port D is set as
Output, reading this location reads the data register for Port D.
Reset Value:
0x0
8.3.3.25
gpio_ls_sync
Name:
Synchronization level
Size:
1 bit
Address offset
: 0x60
Read/write access
: read/write
Bit
Name
Access
Description
31:1
Reserved
Read as zero
Reserved
0
Synchronization level
R/W
Writing a 1 to this register results in all level-sensitive interrupts being synchronized to
pclk_intr.
0 – No synchronization to pclk_intr (default)
1 – Synchronize to pclk_intr
Reset Value:
0x0
8.3.3.26
gpio_id_code
Name: GPIO ID code
Size:
GPIO_ID_PWIDTH
Address offset
: 0x64
Read/write access
: read
Bit
Name
Access
Description
31:
GPIO_ID_PWIDTH
Reserved
Read as zero
Reserved
GPIO_ID_PWIDTH
–1:0
GPIO ID code
R
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
8.3.3.27
gpio_int_bothedge
Name:
GPIO
INT Bothedge Type
Size:
GPIO_ID_PWIDTH
Address offset
: 0x68
Read/write access
: read/write
This register is available only if Port A is configured to generate interrupts (GPIO_PORTA_INTR = Include (1)) and interrupt detection is
configured to generate on both rising and falling edges of external input signal (GPIO_INT_BOTH_EDGE=Include (1)).
Interrupt bothedge
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2019-05-15 10:08:03