2015/11/10
DSP控制器原理及应用
F2812的最小系统设计仿真器JTAG接口引脚(共7根) TRST, TCK, TMS, TDI, TDO, EMU0, EMU1 机械接口:IDC1(7×2双排插座)
+5V用于烧写片上 FLASH
+3.3V用于仿真!33
DSP控制器原理及应用
DSPF2812的最小应用系统+3.3V
XA0~XA18
ISSI(64/256/512)16D0~D1544 43 21 28 7 8
A0 A1 A18 I/O0 I/O2 I/O15
+3.3V
VDD1 33 VDD2 GND1 12 34 GND2
11
XD0 24 XD1 XD14 139 147 XD15/XZCS6AND7 42/XRD/XWE 8413333 33 33
38 6
TMS320F2812A
XREADY 159/XHOLD/XHOLDA 82/XRS 160 X1/XCLKIN 77 X2 76 XCLKOUT 119 TESTSEL/TRST 135 TCK 136 126 TMS TDI 131 TDO 127 EMU0 137 EMU1 146134
161
+3.3V4.7k 4.7k 4.7k
0.1uF
/CE/OE/WE 40/UB 39/LB41 17
/RESET33
4 3
2 OSC30MHz TMS TDI 0.1uF
1
JTAGTMS TDI GND VCC EMU1 GND TCK GND GND/TRST EMU0
14
EMU1 EMU0
/TRST
测试点
TCK
/TRST TCK TMS TDI TDO EMU0 EMU1+5V 5 6 4 3 11 12 10 9 47uF+3.3V TDO 7
TCKREF TDO 8
TPS73HD3181IN 1IN/1EN 1GND 2IN 2IN/2EN/1RESET 1OUT 1OUT 1FB/SENSE/2RESET 2OUT 2OUT
28 23 24 25 22 17 18 19
10uF
XMP/MC 34 GPIOF2-SPICLKA GPIOF3-SPISTEA 35 GPIOF12-MDXA 22 155 GPIOF4-SCITXDA
17
/RESET
2GND 2FB/SENSE
10uF
+3.3V
+3.3V
+1.8V
+1.8V
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
34