78P468
CPU
. Operating voltage and temperature range:
EM78P468N:
. Commercial:2.3V ~ 5.5 V. (at 0℃~+70℃)
. Industrial: 2.5V ~ 5.5 V. (at -40℃~+85℃)
EM78P468L:
. Commercial:2.1 V ~ 5.5 V. (at 0℃~+70℃)
. Industrial: 2.3V ~ 5.5 V. (at -40℃~+85℃)
. Operation speed: DC ~ 10MHz clock input.
. Dual clock operation
. High frequency oscillator can select among Crystal, RC, or PLL (phase lock loop)
. Low frequency oscillator can select between Crystal or RC mode
. Totally 272 bytes SRAM
. 144 bytes general purpose register
. 128 bytes on chip data RAM
. 4K*13 bits OTP - ROM (One Time Programmable - Read Only Memory)
. Up to 28 bi-directional tri-state I/O ports
. Typically, 12 bi-directional tri-state I/O ports.
. 16 bi-directional tri-state I/O ports shared with LCD segment output pin.
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