NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 89
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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PORTC Configuration register
Address: FFB0 0028
The PORTC register configures the PORTC general-purpose input/output (GPIO pins).
Each of the PORTC GPIO pins can be individually programmed — as general-purpose
input or output, or special function input or output — as applicable. Table 31
describes the PORTC register; Table 32 shows the different configurations for each
bit.
Register bit assignment
Table 31: PORTC register bit definition
D31:24
D23:16
D15:08
Bits
15
31
30
14
R/W
R/W
R/W
Access
29
13
28
12
CMODE
CMODE
CDIR
CSF
Mnemonic
CSF
27
11
26
10
‘h10
‘h10
0
Reset
25
9
24
8
PORTC mode
Configures the individual PORTC pins. Each bit in the
CMODE field corresponds to one of the PORTC bits; D31
controls PORTC7, D30 controls PORTC6, and so on.
PORTC data direction
Configures the individual PORTC pins. Each bit in the
CDIR field corresponds to one of the PORTC bits; D23
controls PORTC7, D22 controls PORTC6, and so on.
PORTC special function
Configures the individual PORTC pins. Each bit in the CSF
field correspond to one of the PORTC bits. D15 controls
PORTC7, D14 controls PORTC6, and so on.
Description
w w w . d i g i e m b e d d e d . c o m
23
7
22
6
21
5
20
4
CDATA
CDIR
19
3
18
2
G E N M o d u l e
17
1
16
0
7 7
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