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FUNCTIONAL OVERVIEW
The GL603USB is a 8-bits RISC-like high performance microcontroller with a built-in 1.5Mbps SIE and transceiver. The microcontroller features 33 instructions optimized for USB and PS/2 mouse. There are 64 bytes on-chip RAM and 2.75K x 14 program ROM incorporated into the microcontroller. Because the GL603USB build in a clock generator circuit, it can accepts a 6 MHz ceramic resonator or a crystal as its clock source. The clock generator can generate 12 MHz clock for micro-controller to sense mouse tracking signal. The clock is only enabled when bit 1 of PORTCON1 register is cleared. In default firmware, it indicates the controller is running on PS/2 mouse mode. The sampling rate of mouse tracking signal can be up to 100 us in USB mode and 80 us in PS/2 mode. The micro-controller features 13 general purpose I/Os (GPIOs). 8 GPIO pins build in 4 bits ADC for photo-sensor input to remove the expensive process of matching LED and photo-sensor.
FEATURES
● Low-cost solution for PS/2 and low-speed USB combo mouse
● 8-bit micro-controller
- Operation Speed: DC to 6MHz clock input
- Performance: 3 MIPS/6 MIPS @ 6MHz (6 MIPS is only for mask type)
- Single cycle instruction execution
- RISC-like architecture
- USB optimized instruction set
● USB Specification Compliance
- Conforms to USB 1.5Mbps Specification, Version 1.1
- Conforms to USB HID Class Specification, Version 1.1
- Supports 1 device address and 2 endpoints (include endpoint 0)
● I/O ports
- Up to 13(GL603USB)/11(GL603USB-A)/9(GL603USB-B) general purpose I/O pins (OTP type is less a GPIO pin than mask type, and the number is not included CLK/DATA in PS/2 mode).
- Internal RC clock to wakeup periodically (about 200ms for mask type, 500ms for OTP type) when suspend
- Up to 8(GL603USB)/6(GL603USB-A)/4(GL603USB-B) special purpose I/O pins optimized for photo-sensor (Internal build in 4 bits ADC)
- Up to 2 I/O pins with large current drive capability to drive LED (Sink current up to 16 mA)
- 2 open drain I/O pins combined with USB D+/D- functions to be used as DATA and CLK in PS/2 mode
● Internal memory
- 64 bytes of RAM (special purpose register is not included)
- 2.75K x 14 of program ROM
● Integrated USB transceiver with open drain I/O capability
- In PS/2 mode, D+ used as CLK and D- used as DATA
- Use legacy USB cable and add an USB to PS/2 converter to connect PS/2 port
● Patented full-range detection for photo-sensor
- Removes the expensive process of matching LED and photo-sensor
● On-chip 3.3v output
- No external regulator required
● Improved output drivers with slew-rate control to reduce EMI
● 6 MHz external clock
● Build in clock generator to generate 12 MHz internal clock for micro- controller (mask type only)
- Improve photo-sensor sampling rate up to 100 us per sample in USB mode and 80 us in PS/2 mode
● Internal power-on reset(POR)
● Internal power-fail detector
● Supports suspend/normal mode power management
- Suspend current lower than 400mA for whole mouse system (mask type)
● 8-bits free-running timer
● Available in cost saving 20-pin(GL603USB) PDIP, 18-pin(GL603USB-A) PDIP and 16-pin(GL603USB-B) PDIP -
Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download GL603USB-3D2P
- Chipdatas Part: CD94-GL603USB-3D2P
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 20:00 +0800
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