GMS90C32PL40 GMS90C32-PL40 GMS90C32PL40 ROM/RAM size:32Bytes/128Bytes, 40MHz, 4.25-5.5V, 8Bit single chip microcontroller

8Bit SINGLE-CHIP MICROCONTROLLERS

GMS90C31/51, 97C51

GMS90L31/51, 97L51 (Low voltage versions)

• Fully compatible to standard MCS-51 microcontroller

• Wide operating frequency up to 40MHz (for more detail, see “GMS90 Series Selection Guide”)

• 4K × 8 (EP)ROM

• 128 × 8 RAM

• 64K external program memory space

• 64K external data memory space

• Four 8-bit ports

• Two 16-bit Timers / Counters

• USART

• Five interrupt sources, two priority levels

• Power saving Idle and power down mode

• Quick pulse programming algorithm (in the OTP devices)

• 2-level program memory lock (in the OTP devices)

• 2.7Volt low voltage version available

• P-DIP-40, P-LCC-44, P-MQFP-44 package