AT89C5122D-RDRIM Atmel, AT89C5122D-RDRIM Datasheet - Page 95
![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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Function Interface Unit (UFI)
4202F–SCR–07/2008
DPLL
SIE
Figure 49. SIE Block Diagram
The Function Interface Unit provides the interface between the AT8xC5122D (or
AT83C5123) and the SIE. It manages transactions at the packet level with minimal inter-
vention from the device firmware, which reads and writes the endpoint FIFOs.
Figure 50. UFI Block Diagram
D+
D-
UFI
DPR Control
USB side
Transfer
Control
FSM
End of Packet
Detection
Start of Packet
Detection
Clk48
(48 MHz)
Clock
Recovery
Asynchronous Information
Transfer
User DPRAM
USB Pattern Generator
Parallel to Serial Converter
Bit Stuffing
NRZI Converter
CRC16 Generator
NRZI ‘ NRZ
Bit Unstuffing
Packet bit counter
AT83R5122, AT8xC5122/23
Endpoint 6
Endpoint 5
Endpoint 4
Endpoint 3
Endpoint 2
Endpoint 1
Endpoint 0
SysClk
(12 MHz)
CSREG 0 to 7
DPR Control
mP side
Registers
Bank
8
SYNC detection
CRC5 & CRC16
Generation/Check
Address Decoder
Serial t o Parallel
Conversion
PID decoder
DataIn [7:0]
C51
Microcontroller
Interface
Up to 48 MHz
UC_SYSCLK
DataOut
8
95
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