NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 68

• Manufacturer Part Number: NS7520B-1-I46
• Description: IC ARM MICROPROCESSOR 177BGA
• Manufacturer: Digi International
• Series: NET+ARM®r

Specifications of NS7520B-1-I46

• Applications: Network Processor
• Core Processor: ARM7
• Program Memory Type: External Program Memory
• Controller Series: -
• Ram Size: External
• Interface: EBI/EMI, Ethernet, DMA, SPI, UART
• Number Of I /o: 16
• Voltage - Supply: 1.4 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 177-LFBGA
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

5 6
S e t t i n g t h e P L L f r e q u e n c y
23.0
27.6
32.3
36.9
41.5
46.1
50.7
55.3
59.9
64.5
69.1
73.7
78.3
82.9
87.6
92.2
96.8
101.4
106.0
110.6
115.2
119.8
124.4
129.0
133.6
138.2
142.8
147.5
MHz
00
00
00
00
11
11
11
11
11
11
11
11
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
A[8:7]
N S 7 5 2 0 H a r d w a r e R e f e r e n c e , R e v G 9 / 2 0 0 7
01
01
01
10
10
10
10
10
10
10
10
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
IS
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
A[6:5]
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
FS
10000
10001
10010
10011
11100
11101
11110
11111
11000
11001
11010
11011
00100
00101
00110
00111
00000
00001
00010
00011
01100
01101
01110
01111
01000
01001
01010
01011
A[4:0]
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
11010
11011
11100
11101
11110
11111
1000000
ND+1
0x00000084
0x00000085
0x00000086
0x00000087
0X00000108
0x00000109
0x0000010A
0x0000010B
0x0000010C
0x0000010D
0x0000010E
0x0000010F
0X00000190
0x00000191
0x00000192
0x00000193
0x00000194
0x00000195
0x00000196
0x00000197
0x00000198
0x00000199
0X0000019A
0X0000019B
0X0000019C
0X0000019D
0X0000019E
0X0000019F
PLL Settings reg
1
2
3, 4
Notes