Olimex USB to RS232 converter MOD-USB-RS232 MOD-USB-RS232 用户手册
产品代码
MOD-USB-RS232
PROCESSOR FEATURES:
MOD-USB-RS232
board use USB Flash microcontroller PIC18F14K50 from
MICROCHIP Technology Inc. with these features:
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Flash Program Memory (words): 8k
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SRAM (bytes): 512
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Universal Serial Bus Features:
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USB V2.0 Compliant SIE
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Low Speed (1.5 Mb/s) and Full Speed (12 Mb/s)
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Supports Control, Interrupt, Isochronous and Bulk Transfers
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Supports up to 16 Endpoints (8 bidirectional)
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256-Byte Dual Port RAM (DPRAM) for USB
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On-Chip USB Transceiver
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Flexible Oscillator Structure:
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Four Crystal modes, including High-Precision PLL for USB
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Two External Clock modes, up to 48 MHz
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EC Low, Medium, and High-Power modes
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Internal 31 kHz Oscillator
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HF-INTOSC 16 MHz
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Secondary Oscillator using Timer1 @ 32 kHz
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Fail-Safe Clock Monitor:
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Allows for safe shutdown if any clock stops
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Peripheral Features:
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Three Programmable External Interrupts
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Seven Interrupt-on-Change (IOC) Configurable for Rising, Falling or
Both Rising/Falling Edge Detection
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One Enhanced Capture/Compare/PWM (ECCP) module with Auto-
Shutdown and PWM Steering
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Master Synchronous Serial Port (MSSP) module supporting SPI mode,
and I2C. mode with Address Mask Capability
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Enhanced Universal Synchronous Asynchronous Receiver Transmitter
(EUSART) module:
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Supports RS-485, RS-232 and LIN compatibility
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Auto-wake-up on Start bit
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Auto-Baud Detect
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