165
/
838
Nations Technologies Inc.
Tel
：
+86-755-86309900
：
Address: Nations Tower, #109 Baoshen Road, Hi-tech Park North.
Nanshan District, Shenzhen, 518057, P.R.China
7.3.9
GPIO driver capability configuration register (GPIOx_DS_CFG )
Address offset: 0x20
Reset value: 0x0000 FFFF
（
x = A,B,C,D,E
）；
0x0000 F03F
（
x=F
）；
0x0000 023F
（
x=G
）
Bit field
Name
Description
31:16
Reserved
Reserved, the reset value must be maintained.
15:0
DS_CFGy
The drive capability configuration bit y of port GPIOx (y = 0…15)
These bits can only be read or written in the form of 16-bit words.
0: 2mA
1: Controlled by PMODEy of GPIOx_PH_CFG/GPIOx_PL_CFG.
PMODE: 00/01, 8mA;
PMODEy: 10, 4mA;
PMODEy: 11, 12mA.
7.3.10
GPIO flip rate configuration register (GPIOx_SR_CFG)
Address offset: 0x24
Reset value: 0x0000 FFFF
（
x= A,B,C,D,E
）
；
0x0000 F03F
（
x=F
）
；
0x0000 023F
（
x=G
）
Bit field
Name
Description
31:16
Reserved
Reserved, the reset value must be maintained.
15:0
SR_CFGy
Port GPIOx flip rate configuration bit y (y = 0…15)
These bits can only be read or written in the form of 16-bit words.
0: fast flip
1: Slow flip
