AT89C5131A-S3SIM 其他数据使用手册 - ATMEL（爱特美尔）

Rev. 4337G–USB–11/06

Features

• 80C52X2 Core (6 Clocks per Instruction)

– Maximum Core Frequency 48 MHz in X1 Mode, 24 MHz 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

• 16/32-Kbyte On-chip Flash EEPROM In-System Programming through USB

• On-chip Expanded RAM (ERAM): 1024 Bytes

• Integrated Power Monitor (POR/PFD) to Supervise Internal Power Supply

• USB 1.1 and 2.0 Full Speed Compliant Module with Interrupt on Transfer Completion

– Endpoint 0 for Control Transfers: 32-byte FIFO

Isochronous Transfers

Endpoint 1, 2, 3: 32-byte FIFO

Endpoint 4, 5: 2 x 64-byte FIFO with Double Buffering (Ping-pong Mode)

• Programmable Hardware Watchdog Timer (One-time Enabled with Reset-out): 100 ms

to 3s at 8 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 24 MHz On-chip Oscillator with Analog PLL for 48 MHz Synthesis