NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 261

• 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

These bit rate examples are generated by a bit-rate generator using an 18.432 MHz
quartz crystal.
Table 91: Bit rate examples
75
150
300
600
1200
2400
4800
7200
9600
14400
19200
28800
38400
57600
115200
Bit rate
16X @ 36.864MHz
Max programmable baudrate = 1,440K
Fbrg = SYSCLK/[2 * 16 * (N+1)]
1152000 = 36864000/2*16*(N+1)
2*16*(N+1) = 36864000/1152000
2*16*(N+1) = 16
N = 32/32-1 = 0
Max programmable baudrate = 1,152K
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
CLKMUX
N/A
N/A
N/A
N/A
1535
767
383
255
191
127
95
63
47
31
15
N register
X1 mode
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
X8 mode
w w w . d i g i e m b e d d e d . c o m
S e r i a l C o n t r o l l e r M o d u l e
or
or
or
1535
767
383
191
95
47
23
15
11
7
5
3
2
1
0
X16 mode
2 4 9