AT89C5122D-RDVIM Atmel, AT89C5122D-RDVIM Datasheet - Page 96

• Manufacturer Part Number: AT89C5122D-RDVIM
• Description: IC 8051 MCU W/SMART CARD 64VQFP
• Manufacturer: Atmel
• Series: 89Cr

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

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AT83R5122, AT8xC5122/23
HOST
UFI
C51
IN Transactions:
HOST
UFI
C51
OUT Transactions:
OUT DATA0 (n Bytes)
IN
Endpoint FIFO write
NACK
Figure 51. Minimum Intervention from the USB Device Firmware
ACK
IN
interrupt C51
DATA1
Endpoint FIFO read (n bytes)
OUT
DATA1
IN
NACK
DATA1
OUT
ACK
interrupt C51
DATA1
Endpoint FIFO write
4202F–SCR–07/2008
ACK