The EM78F665N series are 8-bit microprocessors designed and developed with low-power, high-speed CMOS technology. They have on-chip 4Kx15-bit Electrical Flash Memory, 128 8-bit In-system programmable EEPROM, two 8-bit timers, two 10-bit PWM, 8 channels AD with 12 bits resolution and I2C
With enhanced Flash-ROM features, the EM78F665N offers a convenient way of developing and verifying users' programs. Moreover, users can avail of the EMC Writer to easily program his development code.
- Support 4Kx15 bits program ROM
- 304x8 bits on-chip registers (SRAM)
- 128 bytes in-system programmable EEPROM
*Endurance : 1000,000 write/erase cycles
- More than 10 years data retention
- 8 level stacks for subroutine nesting
- Typically 2μA, during sleep mode
- Four operation modes
| Mode |
CPU |
Main clock |
WDT clock |
| Sleep mode |
Turn off |
Turn off |
Turn off |
| Idle Mode |
Turn off |
Turn off |
Turn on |
| Green mode |
Turn on |
Turn off |
Turn on |
| Normal mode |
Turn on |
Turn on |
Turn on |
- 4 bidirectional I/O ports : P5, P6, P7, P8
- Pin change wake-up port : P6
- 30 programmable pull-down I/O pins
- 30 programmable pull-high I/O pins
- 30 programmable open-drain I/O pins
- 30 programmable high-sink/drive I/O pins
- 8 programmable open-drain I/O pins
- External interrupt : P60
- 2.4V~5.5V at 0°C~70°C (commercial)
- 2.6V~5.5V at -40°C~85°C (industrial)
- Operating frequency range (base on 2 clocks)
- IRC mode : DC~16MHz at 4.5V~5.5V ; DC~8MHz at 3V~5.5V ; DC~4MHz at 2.4V~5.5V
- Internal RC Drift Rate (Ta=25°C, VDD=5V±5%, VSS=0V)
Internal RC
Frequency |
Drift Rate |
Temperature
(-40°C~85°C) |
Voltage
(2.5V~5.5V) |
Process |
Total |
| 4MHz |
±2% |
±2% |
±2% |
±6% |
| 8MHz |
±2% |
±2% |
±2% |
±6% |
| 16MHz |
±2% |
±2% |
±2% |
±6% |
- 8-bit real time clock/counter (TCC) with selective signal sources, trigger edges, and overflow interrupt
- Two Pulse Width Modulation (PWMA, PWMB) with 10-bit resolution shared with Timers A and B
- One 8-bit Timer/Counter :
TC3 : Timer/Counter/PWM/PDO(programmable divider output) mode select
- 8 channels Analog-to-Digital Converter with 12-bit resolution in Vref mode
- Power-down(Sleep) mode
- High EFT immunity (4 MHz, 2 clocks)
- I2C function with 7/10 bits address and 8 bits data transmit/receive mode
- 10 available interrupts (2 external, 8 internal)
- External interrupt(P60)
- TCC overflow interrupt
- TC3 overflow interrupt
- Input-port status changed interrupt (wake-up from sleep mode)
- ADC completion interrupt
- PWMA, PWMB period match completion
- I2C transfer/receive/stop interrupt
- Programmable free running Watchdog Timer
- Watchdog Timer : 16.5ms±5% with Vdd =5V at 25°C, Temperature range±5% (-40°C ~+85°C)
- Watchdog Timer : 18ms ± 5% with Vdd = 3V at 25°C
- Temperature range±5% (-40°C~+85°C)
- Two clocks per instruction cycle
- Single instruction cycle commands
- 32 pin QFN : EM78F665NQN32J/S
- 28 pin SKDIP : EM78F665NK28J/S
- 28 pin SOP : EM78F665NSO28J/S
Note: Green products do not contain hazardous substances. |
