4.1.2
引脚排列DSP56725 80引脚塑料LQFP封装
MODC0/PLOCK
MODC1/NMI_1
MODA1/IRQC
MODB1/IRQD
MODA0/IRQA
MODB0/IRQB
CORE_GND
SS_1/HA2_1
CORE_GND
62
CORE_VDD
CORE_VDD
61
60
59
58
57
56
55
54
HREQ/PH4
IO_GND
IO_VDD
SS/HA2
MISO / SDA
MOSI/HA0
SCK / SCL
67
66
65
80
79
78
77
76
75
74
73
72
71
70
69
68
64
SDO2_3/SDI3_3
SDO3_3/SDI2_3
SDO4_3/SDI1_3
SDO5_3/SDI0_3
IO_VDD
IO_GND
CORE_VDD
CORE_GND
SPDIFIN1/SDO2_2/SDI3_2
SPDIFOUT1/SDO3_2/SDI2_2
SDO4_2/SDI1_2
SDO5_2/SDI0_2
FSR_3
SCKR_3
SCKT_3
GND
GND
GND
GND
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
27
28
29
30
31
32
37
38
39
25
26
35
33
34
36
40
63
RESET
扫描
WDT
PINIT / NMI
TDO
TDI
TCK
TMS
CORE_GND
CORE_VDD
SDO4/SDI1
SDO5/SDI0
IO_GND
IO_VDD
EXTAL
XTAL
PLLP_GND
PLLD_GND
PLLD_VDD
PLLA_GND
PLLA_VDD
PLLP_VDD
DSP56725
80-Pin
53
52
51
50
49
48
47
46
45
44
43
42
41
SDO2_1/SDI3_1
SDO3_1/SDI2_1
SDO4_1/SDI1_1
SDO5_1/SDI0_1
CORE_GND
CORE_GND
CORE_VDD
CORE_VDD
SDO2/SDI3
图31. DSP56725 80引脚封装
4.1.3
引脚复用
许多引脚是复用的，并且根据所选择的配置中，可以有三种可能的信号之一。欲了解更多有关
销复用，指的是
交响乐 DSP56724 / DSP56725多核音频处理器参考手册
(DSP56724RM).
SYMPHONY
DSP56724 / DSP56725多核音频处理器，修订版1
40
飞思卡尔半导体公司
SDO3/SDI2
FSR
HCKR
SCKR
IO_VDD
IO_GND
SCKT
FST
FST_3
HCKT_3
HCKT
