AT85C5122D-SISUM Atmel, AT85C5122D-SISUM Datasheet - Page 55
AT85C5122D-SISUM
Manufacturer Part Number
AT85C5122D-SISUM
Description
RFID Modules & Development Tools 3-5.5V Smart Card Reader
Manufacturer
Atmel
Datasheet
1.AT85C5122D-SISUM.pdf
(213 pages)
Specifications of AT85C5122D-SISUM
Product
RFID Readers
- Current page: 55 of 213
- Download datasheet (3Mb)
Port 3
4202E–SCR–06/06
Port
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
Alternate Functions
Signal
RxD
TxD
INT0
INT1
T0
T1
WR
RD
Description
Receiver data input (asynchronous) or data input/output
(synchronous) of the serial interface
Transmitter data output (asynchronous) or clock output
(synchronous) of the serial interface
External interrupt 0 input/timer 0 gate control input
External interrupt 1input/timer 1 gate control input
Timer 0 counter input
Timer 1 counter input
External Data Memory write strobe; latches the data byte
from port 0 into the external data memory
External Data Memory read strobe; Enables the external
data memory. Port 3 can drive CMOS inputs without external
pull-ups
Port 3 has the following functions:
Port 3 has the following configurations:
Table 32. Port 3 Description
–
–
–
–
Default function: Port 3 is an 8-bit I/O port.
Alternate functions: see table below
Default configuration: Pseudo bi-directional “Port51” digital input/output with
internal pull-ups.
Alternate configurations: See Table 32.
Configurations
Push-pull
Push-pull
Push-pull
Push-pull
Mode 1
KB_OUT
KB_OUT
KB_OUT
KB_OUT
Mode 2
AT8xC5122/23
Input WPU
Input WPU
Input WPU
Input WPU
Mode 3
Mode 4
LED0
LED1
LED2
LED3
55
Related parts for AT85C5122D-SISUM
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
8-bit Microcontrollers - MCU RAM Indus
Manufacturer:
Atmel
Part Number:
Description:
DEV KIT FOR AVR/AVR32
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
INTERVAL AND WIPE/WASH WIPER CONTROL IC WITH DELAY
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Low-Voltage Voice-Switched IC for Hands-Free Operation
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
AM-FM Receiver IC U4255BM-M
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Monolithic Integrated Feature Phone Circuit
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Multistandard Video-IF and Quasi Parallel Sound Processing
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
High-performance EE PLD
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
8-bit Flash Microcontroller
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
2-Wire Serial EEPROM
Manufacturer:
ATMEL Corporation
Datasheet: