产品导览

特征

• CPU configuration

• 4Kx13 bits on-chip ROM 
• 144x8 bits on-chip registers (SRAM)
• 8-level stacks for subroutine nesting
• 4 programmable Level Voltage Detector (LVD) : 4.5V, 4.0V, 3.3V, 2.3V
• 3 programmable Level Voltage Reset (LVR) : 4.1V, 3.7V, 2.4V 
• Less than 1.5 mA at 5V/4MHz
• Typically 15 uA, at 3V/32kHz
• Typically 2 uA, during sleep mode 

• I/O port configuration

• 3 bidirectional I/O ports
• Wake-up port : P6
• 21 programmable pull-down I/O pins
• 21 programmable pull-high I/O pins
• 22 programmable open-drain I/O pins
• 4 programmable high-sink I/O pins
• External interrupt : P50

• Operating voltage range: 

• 2.1V~5.5V at 0°C~70°C (commercial)
• 2.3V~5.5V at -40°C~85°C (industrial) 

• Operating frequency range (base on 2 clocks):

• Crystal mode: DC ~ 16MHz, 4.5V; 

DC ~ 8MHz, 3V; DC ~ 4MHz, 2.1V

• RC mode: DC ~ 16MHz, 4.5V; 

DC ~ 12MHz, 4V; DC ~ 4MHz, 2.1V

• Internal RC Drift Rate (Ta=25°C, VDD=5V±5%, VSS=0V)n

Internal RC Frequency	Drift Rate
	Temperature(-40°C~85°C)	Voltage(2.3V~5.5V)	Process	Total
455kHz	±5%	±5%	±4%	±14%
1MHz	±5%	±5%	±4%	±14%
4MHz	±5%	±5%	±4%	±14%
16MHz	±5%	±5%	±4%	±14%

• All the four main frequencies can be trimmed by programming with four calibrated bits in the ICE346N Simulator. OTP is auto trimmed by ELAN Writer. 
• Fast set-up time requires only 0.8ms (HXT2, 4MHz)in high Crystal and 32 CLKS in IRC mode from wake up to operating mode
• Peripheral configuration

• 8-bit real time clock/counter (TCC) with selective signal sources, trigger edges, and overflow interrupt
• 8-bit multi-channel Analog-to-Digital Converter with 12-bit resolution in Vref mode
• Three Pulse Width Modulation (PWM ) with 10-bit resolution
• One pair of comparator (offset voltage: 5mV)
• One pair of OP (offset voltage: 5mV)
• Power-down (Sleep) mode
• High EFT immunity (4MHz, 4clocks)

• Seven available interrupts

• TCC overflow interrupt
• Input-port status changed interrupt (wake up from sleep mode)
• External interrupt
• ADC completion interrupt
• PWM period match completion
• Comparator high/low interrupt
• Low voltage detector interruptn 

• 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 cyclen 

• Package Type:

• 18-pin DIP 300mil : EM78P346ND18J/S
• 18-pin SOP 300mil : EM78P346NSO18J/S
• 20-pin DIP 300mil : EM78P346ND20J/S
• 20-pin SOP 300mil : EM78P346NSO20J/S
• 20-pin SSOP 209mil : EM78P346NSS20J/S
• 24-pin skinny DIP 300mil : EM78P346NK24J/S
• 24 pin SOP 300mil : EM78P346NSO24J/S
• 24 pin SSOP 150mil : EM78P346NSS24J/S

Note: Green products do not contain hazardous substances.