TMS320F2810, TMS320F2811, TMS320F2812
TMS320C2810, TMS320C2811, TMS320C2812
SPRS174T –APRIL 2001–REVISED MAY 2012
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If configured for ”Digital I/O” mode, additional registers are provided for setting individual I/O signals (via
the GPxSET registers), for clearing individual I/O signals (via the GPxCLEAR registers), for toggling
individual I/O signals (via the GPxTOGGLE registers), or for reading/writing to the individual I/O signals
(via the GPxDAT registers). Table 4-12 lists the GPIO Data Registers. For more information, see the
TMS320x281x DSP System Control and Interrupts Reference Guide (literature number SPRU078).
Table 4-12. GPIO Data Registers
(1)(2)
NAME ADDRESS SIZE (x16) DESCRIPTION
GPADAT 0x00 70E0 1 GPIO A Data Register
GPASET 0x00 70E1 1 GPIO A Set Register
GPACLEAR 0x00 70E2 1 GPIO A Clear Register
GPATOGGLE 0x00 70E3 1 GPIO A Toggle Register
GPBDAT 0x00 70E4 1 GPIO B Data Register
GPBSET 0x00 70E5 1 GPIO B Set Register
GPBCLEAR 0x00 70E6 1 GPIO B Clear Register
GPBTOGGLE 0x00 70E7 1 GPIO B Toggle Register
Reserved 0x00 70E8 1
Reserved 0x00 70E9 1
Reserved 0x00 70EA 1
Reserved 0x00 70EB 1
GPDDAT 0x00 70EC 1 GPIO D Data Register
GPDSET 0x00 70ED 1 GPIO D Set Register
GPDCLEAR 0x00 70EE 1 GPIO D Clear Register
GPDTOGGLE 0x00 70EF 1 GPIO D Toggle Register
GPEDAT 0x00 70F0 1 GPIO E Data Register
GPESET 0x00 70F1 1 GPIO E Set Register
GPECLEAR 0x00 70F2 1 GPIO E Clear Register
GPETOGGLE 0x00 70F3 1 GPIO E Toggle Register
GPFDAT 0x00 70F4 1 GPIO F Data Register
GPFSET 0x00 70F5 1 GPIO F Set Register
GPFCLEAR 0x00 70F6 1 GPIO F Clear Register
GPFTOGGLE 0x00 70F7 1 GPIO F Toggle Register
GPGDAT 0x00 70F8 1 GPIO G Data Register
GPGSET 0x00 70F9 1 GPIO G Set Register
GPGCLEAR 0x00 70FA 1 GPIO G Clear Register
GPGTOGGLE 0x00 70FB 1 GPIO G Toggle Register
Reserved 0x00 70FC – 0x00 70FF 4
(1) Reserved locations will return undefined values and writes will be ignored.
(2) These registers are NOT EALLOW protected. The above registers will typically be accessed regularly by the user.
84 Peripherals Copyright © 2001–2012, Texas Instruments Incorporated
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