Description
EM78267/467A/B/C 8-BIT MICRO-CONTROLLER FOR TELECOM PRODUCT
Preliminary
The EM78267/467 A/B/C is an 8-bit microprocessor with low-power, high speed CMOS technology.Integrated onto a single chip are on-chip watchdog timer (WDT), RAM, ROM, programmable real time clock/counter, power down mode and bi-directional tri-state I/O ports.It can be developed as cordless phone or other applications.
Features
- Operating voltage range: 2.5V~5.5V.
- Available in temperature range: 0°C~70°C.
- Operating frequency range:
Crystal Type: DC~20MHz at 5V
DC~8MHz at 3V
RC Type:
DC~4MHz at 5V
DC~4MHz at 3V.
- 2Kx13 on chip ROM (EM78267A/B/C).
- 4Kx13 on chip ROM (EM78467A/B/C).
- 9 special function registers.
- 148x8 general purpose registers (SRAM).
- 3 bi-directional tri-state I/O ports (20 I/O pins for EM78267/467A) (24 I/O pins for EM782.