NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 265
NS7520B-1-I46
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
NS7520B-1-I46
Manufacturer:
Digi International
Quantity:
10 000
Part Number:
NS7520B-1-I46
Manufacturer:
NETARM
Quantity:
20 000
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Register bit assignment
Table 93: Serial Channel Receive Character Gap Timer bit definition
D31
D30:10
D09:00
Bits
TRUN
15
31
30
14
N/A
R/W
R/W
Access
29
13
Reserved
28
12
TRUN
Reserved
CT
Mnemonic
27
11
26
10
25
9
0
N/A
0
Reset
24
8
Reserved
Enable timer to run
Set to 1 to allow the receive character gap timer to
operate.
N/A
CT value
The required value for the receive character timer is a
function of the channel bit-rate. It is recommended
that you set the character timer to a value that is 10
times the character period for the channel bit-rate. Use
this equation to define the recommended character
timer value:
CT RECOMMENDED =
[(10 * F
Description
w w w . d i g i e m b e d d e d . c o m
23
CT
7
XTALE
22
6
) / (bit-rate * 512)] - 1
21
5
S e r i a l C o n t r o l l e r M o d u l e
20
4
19
3
18
2
17
1
16
0
2 5 3
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