AT89C5122D-PSTUM Atmel, AT89C5122D-PSTUM Datasheet - Page 207

• Manufacturer Part Number: AT89C5122D-PSTUM
• Description: IC 8051 MCU FLASH 32K 64QFN
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C5122D-PSTUM

• 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-QFN
• For Use With: AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-03 - KIT STARTER FOR MCU AT8XC5122/23
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

4202F–SCR–07/2008
Microcontroller Reset ....................................................................... 170
Power Management .......................................................................... 178
Electrical Characteristics ................................................................. 184
Packaging Information ..................................................................... 199
Datasheet Revision History ............................................................. 204
Table of Contents ............................................................................. 205
Registers........................................................................................................... 160
Interrupt Sources and Vectors .......................................................................... 169
Introduction ....................................................................................................... 170
Power On Reset (POR) .................................................................................... 171
Power Fail Detector (PFD)................................................................................ 171
Reset pin........................................................................................................... 173
Watchdog Timer ............................................................................................... 175
Idle Mode .......................................................................................................... 178
Power Down Mode ........................................................................................... 178
Reduced EMI Mode .......................................................................................... 179
USB Interface ................................................................................................... 180
Smart Card Interface ........................................................................................ 181
Keyboard Interface ........................................................................................... 182
Watchdog Timer during Power-down and Idle Mode........................................ 182
Registers........................................................................................................... 183
Absolute Maximum Ratings ..............................................................................184
DC Parameters .................................................................................................184
LED’s ................................................................................................................186
Smart Card Interface ........................................................................................ 187
USB Interface ................................................................................................... 190
AC Parameters ................................................................................................. 191
Float Waveforms............................................................................................... 197
Ordering Information......................................................................................... 199
Changes from 4202A to 4202B ........................................................................204
Changes from 4202B to 4202C ........................................................................204
Changes from 4202C to 4202D ........................................................................204
Changes from 4202D to 4202E ........................................................................204
Changes from 4202E to 4202F .........................................................................204
AT83R5122, AT8xC5122/23
207