Datasheet

TMS320F28335, TMS320F28334, TMS320F28332
TMS320F28235, TMS320F28234, TMS320F28232
www.ti.com SPRS439M –JUNE 2007–REVISED AUGUST 2012
The device supports 88 GPIO pins. The GPIO control and data registers are mapped to Peripheral
Frame 1 to enable 32-bit operations on the registers (along with 16-bit operations). Table 4-15 shows the
GPIO register mapping.
Table 4-15. GPIO Registers
NAME ADDRESS SIZE (x16) DESCRIPTION
GPIO CONTROL REGISTERS (EALLOW PROTECTED)
GPACTRL 0x6F80 2 GPIO A Control Register (GPIO0 to 31)
GPAQSEL1 0x6F82 2 GPIO A Qualifier Select 1 Register (GPIO0 to 15)
GPAQSEL2 0x6F84 2 GPIO A Qualifier Select 2 Register (GPIO16 to 31)
GPAMUX1 0x6F86 2 GPIO A MUX 1 Register (GPIO0 to 15)
GPAMUX2 0x6F88 2 GPIO A MUX 2 Register (GPIO16 to 31)
GPADIR 0x6F8A 2 GPIO A Direction Register (GPIO0 to 31)
GPAPUD 0x6F8C 2 GPIO A Pull Up Disable Register (GPIO0 to 31)
Reserved 0x6F8E – 0x6F8F 2
GPBCTRL 0x6F90 2 GPIO B Control Register (GPIO32 to 63)
GPBQSEL1 0x6F92 2 GPIO B Qualifier Select 1 Register (GPIO32 to 47)
GPBQSEL2 0x6F94 2 GPIOB Qualifier Select 2 Register (GPIO48 to 63)
GPBMUX1 0x6F96 2 GPIO B MUX 1 Register (GPIO32 to 47)
GPBMUX2 0x6F98 2 GPIO B MUX 2 Register (GPIO48 to 63)
GPBDIR 0x6F9A 2 GPIO B Direction Register (GPIO32 to 63)
GPBPUD 0x6F9C 2 GPIO B Pull Up Disable Register (GPIO32 to 63)
Reserved 0x6F9E – 0x6FA5 8
GPCMUX1 0x6FA6 2 GPIO C MUX1 Register (GPIO64 to 79)
GPCMUX2 0x6FA8 2 GPIO C MUX2 Register (GPIO80 to 87)
GPCDIR 0x6FAA 2 GPIO C Direction Register (GPIO64 to 87)
GPCPUD 0x6FAC 2 GPIO C Pull Up Disable Register (GPIO64 to 87)
Reserved 0x6FAE – 0x6FBF 18
GPIO DATA REGISTERS (NOT EALLOW PROTECTED)
GPADAT 0x6FC0 2 GPIO A Data Register (GPIO0 to 31)
GPASET 0x6FC2 2 GPIO A Data Set Register (GPIO0 to 31)
GPACLEAR 0x6FC4 2 GPIO A Data Clear Register (GPIO0 to 31)
GPATOGGLE 0x6FC6 2 GPIO A Data Toggle Register (GPIO0 to 31)
GPBDAT 0x6FC8 2 GPIO B Data Register (GPIO32 to 63)
GPBSET 0x6FCA 2 GPIO B Data Set Register (GPIO32 to 63)
GPBCLEAR 0x6FCC 2 GPIO B Data Clear Register (GPIO32 to 63)
GPBTOGGLE 0x6FCE 2 GPIOB Data Toggle Register (GPIO32 to 63)
GPCDAT 0x6FD0 2 GPIO C Data Register (GPIO64 to 87)
GPCSET 0x6FD2 2 GPIO C Data Set Register (GPIO64 to 87)
GPCCLEAR 0x6FD4 2 GPIO C Data Clear Register (GPIO64 to 87)
GPCTOGGLE 0x6FD6 2 GPIO C Data Toggle Register (GPIO64 to 87)
Reserved 0x6FD8 – 0x6FDF 8
GPIO INTERRUPT AND LOW POWER MODES SELECT REGISTERS (EALLOW PROTECTED)
GPIOXINT1SEL 0x6FE0 1 XINT1 GPIO Input Select Register (GPIO0 to 31)
GPIOXINT2SEL 0x6FE1 1 XINT2 GPIO Input Select Register (GPIO0 to 31)
GPIOXNMISEL 0x6FE2 1 XNMI GPIO Input Select Register (GPIO0 to 31)
GPIOXINT3SEL 0x6FE3 1 XINT3 GPIO Input Select Register (GPIO32 to 63)
GPIOXINT4SEL 0x6FE4 1 XINT4 GPIO Input Select Register (GPIO32 to 63)
GPIOXINT5SEL 0x6FE5 1 XINT5 GPIO Input Select Register (GPIO32 to 63)
Copyright © 2007–2012, Texas Instruments Incorporated Peripherals 101
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Product Folder Link(s): TMS320F28335 TMS320F28334 TMS320F28332 TMS320F28235 TMS320F28234
TMS320F28232