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BBus Utility Control and Status registers
524
NS9750 Hardware Reference
GPIO Configuration registers
GPIO Configuration registers #1 – #7 contain the configuration information for each of
the 50 GPIO pins in the NS9750. Each GPIO pin is defined to have up to four functions.
Configure each pin for the appropriate function and direction, as shown in Table 324:
"GPIO Configuration register options" on page 528.
GPIO Configuration Register #7
Address: 9060 0028
GPIO Configuration Register #6
Address: 9060 0024
Bits Access Mnemonic Reset Description
D31:08 N/A Reserved N/A N/A
D07:04 R/W gpio49 0x3 gpio[49] configuration
D03:00 R/W gpio48 0x3 gpio[48] configuration
Table 317: GPIO Configuration Register #7
gpio49
13121110987654321015 14
31 29 28 27 26 25 24 23 22 21 20 19 18 17 1630
Reserved
Reserved gpio48
gpio41
13121110987654321015 14
31 29 28 27 26 25 24 23 22 21 20 19 18 17 1630
gpio40
gpio47 gpio46 gpio45 gpio44
gpio43 gpio42