AT89C5122D-RDVIM Atmel, AT89C5122D-RDVIM Datasheet - Page 51
![IC 8051 MCU W/SMART CARD 64VQFP](/photos/6/81/68127/313-64-vqfp_sml.jpg)
AT89C5122D-RDVIM
Manufacturer Part Number
AT89C5122D-RDVIM
Description
IC 8051 MCU W/SMART CARD 64VQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C5122D-PSTUM.pdf
(208 pages)
Specifications of AT89C5122D-RDVIM
Core Processor
8051
Core Size
8-Bit
Speed
48MHz
Connectivity
SmartCard, SPI, UART/USART, USB
Peripherals
LED, POR, WDT
Number Of I /o
46
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
For Use With
AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-03 - KIT STARTER FOR MCU AT8XC5122/23
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
AT89C5122D-RDTIM
Available stocks
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Part Number
Manufacturer
Quantity
Price
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I/O Port Definition
Ports vs Packages
Port 0
4202F–SCR–07/2008
Table 30. I/O Number vs Packages
Port 0 has the following functions:
Port 0 has the following configurations:
VQFP64
VQFP32
PLCC28
QFN64
QFN32
–
–
–
–
–
Default function: Port 0 is an 8-bit I/O port.
Alternate function: Port 0 is also the multiplexed low-order address and data
bus during accesses to external Program and Data Memory. In this
application, it uses strong internal pull-ups when emitting 1’s and it can drive
CMOS inputs without external pull-ups.
Default configuration: open drain bi-directional I/O port. Port 0 pins that have
1’s written to them float, and in this state they can be used as high-
impedance inputs.
Configuration 2: Low speed output, “KB_OUT”
Configuration 3: Push-pull output
P0
8
-
-
P1
8
8
6
AT83R5122, AT8xC5122/23
P2
8
-
-
P3
8
8
6
P4
6
-
-
P5
8
1
1
Total
46
17
13
51
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