Description

The CV5727B is an IC chip that belongs to the electronic component category. It is an 8-bit high-performance single chip microcontroller that features a VFD driver suitable for products that require front panel operation such as DVD players, VCD players, mini-component audio systems, cassette decks, tuners, and CD players.

Specifications and features

• Single cycle instruction and 2-stage pipeline architecture
• Operating voltage: fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V
• 20 bidirectional I/O lines (PA, PB, PC, PD)
• Two external interrupt inputs
• Two 16-bit programmable timer/event counters with PFD (programmable frequency divider) function
• One 8-bit Remote Control Timer (RMT), pin-shared with PC7
• Single channel serial interface
• VFD driver with 1111 segments (16-segment & 4-grid to 11-segment & 11-grid)
• 4K16 program memory
• 1928 data memory RAM
• Supports PFD for sound generation
• Real-Time Clock (RTC)
• 8-bit prescaler for RTC
• Watchdog Timer
• Buzzer output
• On-chip crystal, RC and 32768Hz crystal oscillator
• HALT function and wake-up feature reduce power consumption
• 8-level subroutine nesting
• 4-channel 8-bit resolution A/D converter
• 2-channel 8-bit PWM output shared with 2 I/O lines
• Low voltage reset function
• Bit manipulation instruction
• 16-bit table read instruction
• Up to 0.5s instruction cycle with 8MHz system clock
• 63 powerful instructions
• All instructions in 1 or 2 machine cycles
• 56-pin SSOP package

Application Scenarios

The CV5727B IC chip is suitable for use in products that require front panel operation and high speed applications such as DVD players, VCD players, mini-component audio systems, cassette decks, tuners, CD players, and other home appliances.

Comparison

• Single cycle instruction and 2-stage pipeline architecture for high speed applications
• Supports PFD for sound generation
• Real Time Clock (RTC)
• Low voltage reset function
• Bit manipulation instruction
• 16-bit table read instruction

• No notable disadvantages were mentioned in the information provided.