The EM78F662N is an 8-bit microprocessor designed and developed with low-power, high-speed CMOS technology and
high noise immunity. It has an on-chip 2K×13-bit Electrical Flash Memory and 128×8-bit in system programmable
EEPROM. It provides three protection bits to prevent intrusion of user's Flash memory code. Twelve Code option bits are
also available to meet user's requirements.
With its enhanced Flash-ROM features, the EM78F662N provides a convenient way of developing and verifying user's
programs. Moreover, this Flash-ROM device offers the advantage of easy and effective program updates, using
development and programming tools. User can avail of the ELAN Writer to easily program his development code.
- 2K×13 bits Flash memory
- 144×8 bits on chip registers (SRAM)
- 128 bytes in-system programmable EEPROM
*Endurance: 100,000 write/erase cycles
- More than 10 years data retention
- 8-level stacks for subroutine nesting
- Less than 2 mA at 5V/4 MHz
- Typically 20 μA, at 3V/32kHz
- Typically 2 μA, during sleep mode
- 3 bidirectional I/O ports
- Wake-up port : P6
- High sink port : P6
- 12 Programmable pull-down I/O pins
- 8 programmable pull-high I/O pins
- 4 programmable open-drain I/O pins
- External interrupt : P60
- Operating voltage: 2.4V~5.5V at -40°C ~85°C (Industrial)
- Operating voltage: 2.2V~5.5V ay 0°C ~70°C (Commercial)
- Operating frequency range (base on two clocks):
DC ~ 20 MHz @ 5V
DC ~ 8 MHz @ 3V
DC ~ 4 MHz @ 2.2V
DC ~ 20 MHz @ 5V
DC ~ 8 MHz @ 3V
DC ~ 4 MHz @ 2.2V
- IRC Drift Rate (Ta=25°C, VDD=5V ± 5%,VSS=0V)
Internal RC
Frequency |
Drift Rate |
Temperature
(-40°C+85°C) |
Voltage
(2.2V~5.5V) |
Process |
Total |
| 1 MHz |
±3% |
±5% |
±2.5% |
±9.5% |
| 4 MHz |
±3% |
±5% |
±2.5% |
±9.5% |
| 8 MHz |
±3% |
±5% |
±2.5% |
±10.5% |
| 16 MHz |
±3% |
±5% |
±2.5% |
±10.5% |
- TC2 : Timer/Counter/Window
- TC3 : Timer/Counter/PDO (programmable divider output) / PWM (pulse width modulation)
- Comparator: CMP3
- Seven available interrupts:
- Internal interrupt: 4
- External interrupt: 3
- 8 channels Analog-to-Digital Converter with 10-bit resolution
- Peripheral configuration
- 8-bit real timer clock/counter (TCC) with selective signal sources, trigger edges, and overflow interrupt
- Power down (Sleep) mode
- 4 programmable Level Voltage Reset (LVR) (LVR) : 4.0V, 3.5V, 2.7V, and POR
- Three security registers to prevent intrusion of Flash memory codes
- One configuration register to accommodate user's requirements
- 2/4/8/16 clocks per instruction cycle selected by code option
- High EFT immunity
- There are two sub-frequency,128kHz and 16kHz, the 16kHz is provided by dividing 128kHz
- Single instruction cycle commands
- Four Crystal range in Oscillator Mode
| Crystal Range |
Oscillator Mode |
| 20 MHz ~ 6 MHz |
HXT |
| 6 MHz ~ 1 MHz |
XT |
| 1 MHz ~ 100kHz |
LXT1 |
| 32.768kHz |
LXT2 |
- Programmable free running watchdog timer
- Package Type:
- 16-pin DIP 300mil : EM78F662ND16
- 16-pin SOP 300mil : EM78F662NSO16
- 18-pin DIP 300mil : EM78F662ND18
- 18-pin SOP 300mil : EM78F662NSO18
- 20-pin DIP 300 mil : EM78F662ND20
- 20-pin SOP 300mil : EM78F662NSO20
Green products do not contain hazardous substances. |
