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3.5interrupts
XINT2
C28
CPU
cpu 计时器 2 (为 德州仪器/rtos)
cpu 计时器 0
看门狗
Peripherals
(spi, sci, i
2
c, ecan, epwm, ecap, eqep, 模数转换器)
TINT0
中断 控制
xnmicr(15:0)
XINT1
中断 控制
XINT1
xint1cr(15:0)
中断 控制
XINT2
xint2cr(15:0)
GPIO
MUX
WDINT
int1 至
INT12
INT13
INT14
NMI
xint1ctr(15:0)
xint2ctr(15:0)
xnmictr(15:0)
cpu 计时器 1 (为 德州仪器)
TINT2
低 电源 模式
LPMINT
WAKEINT
TINT1
int13_选择
xnmi_xint13
gpio0.int
gpio31.int
模数转换器
XINT2SOC
gpioxint1sel(4:0)
gpioxint2sel(4:0)
gpioxnmisel(4:0)
nmi_选择
1
MUX
MUX
PIE
96 中断MUXMUX
MUX
tms320f2808,tms320f2806
tms320f2801,ucd9501
DigitalSignalProcessors
SPRS230F–OCTOBER2003–REVISEDSEPTEMBER2005
figure3-5showshowthevariousinterruptsourcesaremultiplexedwithinthe280xdevices.
figure3-5.externalandpieinterruptsources
eightpieblockinterruptsaregroupedintoonecpuinterrupt.intotal,12cpuinterruptgroups,with8
interruptspergroupequals96possibleinterrupts.onthe280x,43oftheseareusedbyperipheralsas
shownintable3-10.
FunctionalOverview
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