ADUC845BCP8-5 Analog Devices, ADUC845BCP8-5 Datasheet - Page 14
ADUC845BCP8-5
Manufacturer Part Number
ADUC845BCP8-5
Description
MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
Manufacturer
Analog Devices
Datasheet
1.ADUC845BCP8-5.pdf
(108 pages)
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ADuC845/ADuC847/ADuC848
Pin No:
52-MQFP
43–46,
49–52
1
I = input, O = output, S = supply.
Pin No:
56-CSP
46–49,
52–55
Mnemonic
P0.0–P0.7
Type
I/O
1
Description
These pins are part of Port 0, which is an 8-bit open-drain bidirectional I/O port.
Port 0 pins that have 1s written to them float, and, in that state, can be used as
high impedance inputs. An external pull-up resistor is required on P0 outputs to
force a valid logic high level externally. Port 0 is also the multiplexed low-order
address and data bus during accesses to external data memory. In this
application, Port 0 uses strong internal pull-ups when emitting 1s.
Rev. A | Page 14 of 108
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