AT89C5131 datasheet pdf

Rev. 4136C–USB–04/05

Features •80C52X2 Core (6 Clocks per Instruction) – 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 •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 – Endpoint 0 for Control Transfers: 32-byte FIFO – 6 Programmable Endpoints with In or Out Directions and with Bulk, Interrupt or 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) – Suspend/Resume Interrupts – Power-on Reset and USB Bus Reset – 48 MHz DPLL for Full-speed Bus Operation – USB Bus Disconnection on Microcontroller Request •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 – 3.0V to 3.6V – 30 mA Max Operating Current (at 40 MHz) – 100 μA Max Power-down Current •Industrial Temperature Range •Packages: PLCC52, VQFP64, MLF48, SO28 8-bit Flash Microcontroller with Full Speed USB Device AT89C5131

Features

• •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
• • 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)
• •5 Channels Programmable Counter Array (PCA) with 16-bit Counter, High-speed
• •Programmable Hardware Watchdog Timer (One-time Enabled with Reset-out): 50 ms to
• •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