ADSP-21991BST Analog Devices Inc, ADSP-21991BST Datasheet - Page 39

• Manufacturer Part Number: ADSP-21991BST
• Description: IC DSP CONTROLLER 16BIT 176LQFP
• Manufacturer: Analog Devices Inc
• Series: ADSP-21xxr
• Type: Fixed Pointr

Specifications of ADSP-21991BST

• Rohs Status: RoHS non-compliant
• Interface: SPI, SSP
• Clock Rate: 160MHz
• Non-volatile Memory: External
• On-chip Ram: 112kB
• Voltage - I/o: 3.30V
• Voltage - Core: 2.50V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 176-LQFP

Table 18. 176-Lead LQFP Signal by Lead Number
REV. 0
Lead No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
Signal
nc
nc
VDDEXT
RCLK
SCK
MISO
MOSI
RD
WR
ACK
BR
BG
BGH
IOMS
BMS
MS3
GND
VDDEXT
MS2
MS1
MS0
GND
VDDINT
A19
A18
A17
A16
A15
A14
A13
GND
VDDEXT
A12
A11
A10
A9
A8
A7
A6
A5
GND
nc
nc
nc
Lead No.
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
Signal
VDDEXT
A4
A3
A2
A1
A0
D15
D14
D13
D12
D11
GND
VDDEXT
GND
VDDINT
D10
D9
D8
D7
D6
D5
GND
VDDINT
D4
D3
D2
D1
D0
nc
GND
VDDEXT
CL
CH
BL
BH
AL
AH
nc
nc
PWMSYNC
PWMPOL
PWMSR
PWMTRIP
GND
–39–
Lead No.
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
Signal
nc
nc
VDDEXT
BYPASS
BMODE0
BMODE1
BMODE2
nc
GND
VDDINT
EMU
TRST
TDO
TDI
TMS
TCK
POR
RESET
CLKIN
XTAL
CLKOUT
CONVST
TMR0
GND
VDDEXT
TMR1
TMR2
EIS
GND
VDDINT
EIZ
EIB
EIA
AUXTRIP
AUX1
AUX0
PF15
PF14
PF13
PF12
GND
nc
nc
nc
Lead No.
167
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
168
169
170
171
172
173
174
175
176
ADSP-21991
Signal
VDDEXT
PF11
PF10
PF9
PF8
PF7/SPISEL7
PF6/SPISEL6
PF5/SPISEL5
PF4/SPISEL4
GND
VDDEXT
PF3/SPISEL3
PF2/SPISEL2
PF1/SPISEL1
PF0/SPISS
GND
VDDINT
AVSS
AVDD
nc
VREF
CML
CAPT
CAPB
SENSE
VIN3
VIN2
VIN1
VIN0
ASHAN
BSHAN
VIN4
VIN5
VIN6
VIN7
AVSS
AVDD
DT
DR
RFS
TFS
TCLK
GND
nc