AT89C5122D-RDRIM Atmel, AT89C5122D-RDRIM Datasheet - Page 15
![IC MCU 80C51 W/SMART CARD 64VQFP](/photos/6/81/68127/313-64-vqfp_sml.jpg)
AT89C5122D-RDRIM
Manufacturer Part Number
AT89C5122D-RDRIM
Description
IC MCU 80C51 W/SMART CARD 64VQFP
Manufacturer
Atmel
Series
89Cr
Specifications of AT89C5122D-RDRIM
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
AT89C5122DRDRIMTR
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Typical Applications
Recommended External components
Table 3. External Components Bill Of Materials
4202F–SCR–07/2008
Reference Description
C10
R1
R2
R3
R4
R5
C1
C2
C3
C4
C5
C6
C7
C8
C9
Q1
L1
USB Full Speed Pull-up
USB pad serial resistor
USB pad serial resistor
PLL filter resistor
CIO Pull-up resistor
Power Supply filter capacitor
PLL filter capacitor
PLL filter capacitor
USB pad decoupling capacitor
Smart Card clock filter capacitor
DC/DC Converter decoupling capacitor
DC/DC Converter filter capacitor
Power Supply decoupling capacitor
Power Supply filter capacitor
Reset capacitor
DC/DC converter input inductance
Crystal
All the external components described in the figure and table below must be imple-
mented as close as possible from the microcontroller package.
Value
1.5 K +/-10%
27
33
27
33
1.8 K +/-10%
10 K +/10%
100 nF +80/-20%
33 pF +/-10%
150 pF +/-10%
680 nF +/-30%
27 pF +/-10%
10 μF +/-10%
Low ESR
100 nF +80/-20%
4.7 μF +/-10%
100 nF +80/-20C
10 μF +/-10%
10 μH +/- 10%
Min rated current : 200 mA
Min rated freq. : 4 MHz
8.0000 Mhz +/- 2500 ppm
only
ESR max : 100
+/-10%
+/-10%
+/-10%
+/-10%
Comments
All product versions
For AT8xC5122 versions
For AT83C5123 versions
For AT8xC5122 versions
For AT83C5123 versions
All product versions
All product versions
All product versions
All product versions
All product versions
All product versions.
If USB interface is not used, this capacitor is optional
All product versions.
All product versions.
This capacitor does not impact the USB Inrush Current
All product versions
All products versions
This capacitor impacts the USB Inrush Current. Maximum
application capacitance allowed by the USB standard is 10 μF.
All product versions
Optional capacitor for all product versions
All product versions.
Qualified component : Murata LQH32CN100K21L
If DC/DC converter is not used at 5V, this inductance is optional.
All product versions
AT83R5122, AT8xC5122/23
15
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