EM78P247A Overview
EM78P247/447A/B/C 8-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT Preliminary The EM78P247/447A/B/C is an 8-bit microprocessor with low-power, high speed CMOS technology. There are 4Kx13 bits Electical One Time Programmable Read Only Memory (OTP-ROM) within it. It provides 1 Protect bit and 6 One-time Programmable Option bits to protect the OTP memory code from any external access as well as the user's options.
EM78P247A Key Features
- Operating voltage range: 2.5V~5.5V
- Available in temperature range: 0°C~70°C
- Operating frequency range
- 2Kx13 on chip ROM (EM78267A/B/C)
- 4Kx13 on chip ROM (EM78467A/B/C)
- 9 special function registers
- 148x8 general purpose registers (SRAM)
- 5 level stack for subroutine nesting
- 8-bit real time clock/counter (TCC) with selective signal sources and trigger edges, and with overflow interrupt
- Selectable oscillator options