GMS90C320 General Description
The GMS90 series is fully compatible to the standard 8051 microcontroller family.
It is compatible with the standard 80C32. While maintaining all architectural and operational characteristics of the standard 80C32, the GMS90C320 incorporates some enhancements in the Timer 2 unit.
GMS90C320 Maximum Ratings
Ambient temperature under bias (TA ) ...............................................................-40 to + 85
Storage temperature (TST)................................................................................-65 to + 150
Voltage on VCC pins with respect to ground (VSS)............................................-0.5 V to 6.5 V
Voltage on any pin with respect to ground (VSS)........................................-0.5 to VCC + 0.5V
Input current on any pin during overload condition......................................-10 mA to + 10mA
Absolute sum of all input currents during overload condition ...................................| 100 mA |
Power dissipation................................................................................................................TBD
GMS90C320 Features
• Fully compatible to standard MCS-51 microcontroller
• Versions for 40/50 MHz operating frequency
• Low voltage version for 24MHz operating frequency
• 256 bytes of on-chip data RAM
• 64K external program memory space
• 64K external data memory space
• Four 8-bit ports
• Three 16-bit Timers/Counters (Timer 2 with up/down counter feature)
• USART
• Six interrupt sources, two priority levels
• Power saving Idle and power down mode
• 2.7Volt low voltage version available
• P-DIP-40, P-LCC-44, P-MQFP-44 package
GMS90C320 Connection Diagram
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