產品資訊 - GPC71080B1

General Description

GPC71080B1, a 4-bit sound controller, is embedded with a four-channel SPU for MIDI playback, a 4-bit RISC CPU, 14-bit PWM, 16 IOs, one input pin (with pull low resistor), 256-nibble RAM, and a programmable OTP.  The operating voltage ranges from 2.0V through 5.5V and operating speed is 2MHz, configurable through inner oscillator.  Other features include Low Voltage Reset, IR carry output, Watchdog, five interrupt sources with two Time-bases, etc.

Features

• 4-bit RISC CPU
• CPU Clock: 2M Hz, system clock: 8MHz
• Operating Voltage: 2.0V - 5.5V
• Regulator built-in with input voltage: 2.0~5.5V, output voltage: 2.0~3.0V
• IO: IOA~IOD, IOH3 Operating Voltage: 2.0V - 5.5V
• 256-nibble SRAM
• 14-bit PWM driver for driving speaker directly
• 12-bit Current DAC embedded
• Programmable OTP
• Standby mode for power savings
• Five interrupt sources with two Time-bases
• 1-channel Sound Processing Unit (SPU) supports MIDI playing
• Sixteen general IOs (bit programmable), one input pin with pull low resistor
• Key wakeup function
• Low voltage reset (via body option)
• Watchdog
• Low Voltage Detection

7-level (2.2V/ 2.4V/ 2.6V/ 2.8V/ 3.0V/ 3.3/ 3.6V) voltage detector