DESCRIPTION
The 7640 group, an enhanced family of CMOS 8-bit microcontrollers, offers high-speed operation, large internal-memory options, and a wide variety of standard peripherals. The series is code compatible with the 38000, 7200, 7400, and the 7500 series, and provides many performance enhancements to the instruction set.

MCU FEATURES
• Number of basic instructions................................ 71
• Minimum instruction execution time ................. 83ns
   (1-cycle instruction = 12 MHz)
• Clock frequency maximum.................. f(Xin) = 24 MHz
       ........................................................f(XCin) = 5 MHz
............................................................ Φ = 12 MHz
• Memory size
  ROM .................................................. 32KB on chip
  RAM ................................................... 1 KB on chip
• Programmable I/O ports ...................................... 66
.................................................... 8 bit X 7, 5 bit X 2
• Master Bus Interface (MBI) ....................... 17 signals
............................................................. 8 data lines
• Serial I/O ............................. 8 bit clock synchronous
• USB Function Control .............. 4 endpoints,1 control
• Interrupts ................................ 4 external, 19 internal
................................................ 1 software,1 system
• DMAC ..........................2 channels, 16 address lines
  (Max. 6M byte/sec. transfer speed in burst mode)
• Timers .........................................8 bit X 3, 16 bit X 2
• Number of Full duplex UARTs available ................... 2
• Supply voltage ............................. Vcc = 4.15~5.25V
• Operating temperature range ................... -20 to 85°C
• Power-saving modes ..... WIT (Idle), STP (Clocks halt)

APPLICATIONS
  Cameras, games, musical instruments, modems scanners, and PC peripherals.