AT89C5131-PLTIL ATMEL Corporation, AT89C5131-PLTIL Datasheet



Manufacturer Part Number
8-bit Flash Microcontroller with Full Speed USB Device
ATMEL Corporation
80C52X2 Core (6 Clocks per Instruction)
32-Kbyte On-chip Flash In-System Programming through USB or UART
4-Kbyte EEPROM for Boot (3-Kbyte) and Data (1-Kbyte)
On-chip Expanded RAM (ERAM): 1024 Bytes
USB 1.1 and 2.0 Full Speed Compliant Module with Interrupt on Transfer Completion
5 Channels Programmable Counter Array (PCA) with 16-bit Counter, High-speed
Output, Compare/Capture, PWM and Watchdog Timer Capabilities
Programmable Hardware Watchdog Timer (One-time Enabled with Reset-out): 50 ms to
6s at 4 MHz
Keyboard Interrupt Interface on Port P1 (8 Bits)
TWI (Two Wire Interface) 400Kbit/s
SPI Interface (Master/Slave Mode)
34 I/O Pins
4 Direct-drive LED Outputs with Programmable Current Sources: 2-6-10 mA Typical
4-level Priority Interrupt System (11 sources)
Idle and Power-down Modes
0 to 32 MHz On-chip Oscillator with Analog PLL for 48 MHz Synthesis
Low Power Voltage Range
Industrial Temperature Range
Packages: PLCC52, VQFP64, MLF48, SO28
– Maximum Core Frequency 48 MHz in X1 Mode, 24MHz in X2 Mode
– Dual Data Pointer
– Full-duplex Enhanced UART (EUART)
– Three 16-bit Timer/Counters: T0, T1 and T2
– 256 Bytes of Scratchpad RAM
– Endpoint 0 for Control Transfers: 32-byte FIFO
– 6 Programmable Endpoints with In or Out Directions and with Bulk, Interrupt or
– Suspend/Resume Interrupts
– Power-on Reset and USB Bus Reset
– 48 MHz DPLL for Full-speed Bus Operation
– USB Bus Disconnection on Microcontroller Request
– 3.0V to 3.6V
– 30 mA Max Operating Current (at 40 MHz)
– 100 µA Max Power-down Current
Isochronous Transfers
• Endpoint 1, 2, 3: 32-byte FIFO
• Endpoint 4, 5: 2 x 64-byte FIFO with Double Buffering (Ping-pong Mode)
• Endpoint 6: 2 x 512-byte FIFO with Double Buffering (Ping-pong Mode)
8-bit Flash
with Full Speed
USB Device
Rev. 4136B–USB–09/03

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