NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 88
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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:
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7 6
G E N m o d u l e r e g i s t e r s
Table 30: PORTA configuration
Inputs
An input that provides one or more input signals to different blocks in the chip is
always connected to those blocks. The target block must be configured to use the
input; similarly, those blocks that should not use the input must be configured not to
use it.
Outputs
Configuring a pin for an output function also enables the tri-state driver for that pin.
There should be no external driver on a pin configured for output.
READBACK
When reading the ADATA field, the data read depends on how the pin is configured:
PORTA4
When PORTA4 is configured with
Channel A determines the function
PORTA2
The memory module configures the AMUX output signal. The AMUX configuration
overrides the AMODE, ADIR, and ADATA fields.
PORTA0
When PORTA0 is configured with
Channel A determines the function
PORTA1
PORTA0
PORTA
bit
Configured as GPIO output. Reads data from the register whose data drives
the pin. This can, for example, mask a short circuit on the output pin.
All other configurations. Reads the state of the pin.
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
GPIO IN
GPIO IN
AMODE=0
ADIR=0
GPIO OUT
GPIO OUT
ADIR=1
AMODE[4]=1:ADIR[4]=1
AMODE[0]=1:ADIR[0]=1
SER1_SPI_M_CLK_OUT, SER1_OUT1, SER1_RXC_OUT
SER1_SPI_M_ENABLE_A_ OUT
SER1_CTS
SER1_SPI_S_ENABLE_
IN/SER1_DCD_/
DONE1_IN_/
SER1_TXC IN
AMODE=1
ADIR=0
, the configuration of Serial
, the configuration of Serial
or
SER1_OUT2
DONE1_OUT_
SER1_SPI_M_ENABLE_
OUT/SER1_OUT2
ADIR=1
.
.
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