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GMS90C3X Datasheet, PDF (5/59 Pages) Hynix Semiconductor – HYNIX SEMICONDUCTOR INC. 8-BIT SINGLE-CHIP MICROCONTROLLERS | |||
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GMS90 Series
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 âGMS90 Series Selection Guideâ)
⢠4K à 8 (EP)ROM
⢠128 à 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
Block Diagram
RAM
128 Ã 8
PORT 0
I/O
T0
PORT 1
I/O
CPU
8-BIT
USART
T1
PORT 2
I/O
ROM / EPROM
4K Ã 8
PORT 3
I/O
Oct. 2000 Ver 3.1a
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