IBM EM78P259N/260N manual DC Electrical Characteristics, Ta=25 C, VDD=5.0V±5%, VSS=0V

Page 78

EM78P259N/260N

8-Bit Microprocessor with OTP ROM

8 DC Electrical Characteristics

Ta=25 °C, VDD=5.0V±5%, VSS=0V

Symbol

Parameter

 

Condition

 

Min

 

Typ

 

Max

Unit

 

Crystal: VDD to 5V

 

Two cycles with two clocks

 

DC

 

 

 

20

MHz

Fxt

Crystal: VDD to 3V

 

 

DC

 

 

 

8

MHz

 

 

 

 

 

 

 

ERC: VDD to 5V

 

R: 5.1KΩ, C: 100 pF

 

F±30%

 

830

 

F±30%

kHz

VIHRC

Input High Threshold

 

OSCI in RC mode

 

 

 

3.5

 

 

V

 

Voltage (Schmitt trigger)

 

 

 

 

 

 

 

 

 

VILRC

Input Low Threshold

 

OSCI in RC mode

 

 

 

1.5

 

 

V

 

Voltage (Schmitt trigger)

 

 

 

 

 

 

 

 

 

IIL

Input Leakage Current for

 

VIN = VDD, VSS

 

-1

 

0

 

1

μA

input pins

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VIH1

Input High Voltage

 

Ports 5, 6, 7

 

 

 

3.75

 

 

V

(Schmitt trigger)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VIL1

Input Low Voltage

 

Ports 5, 6, 7

 

 

 

1.25

 

 

V

(Schmitt trigger)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VIHT1

Input High Threshold

 

/RESET

 

 

 

2.0

 

 

V

Voltage (Schmitt trigger)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VILT1

Input Low Threshold

 

/RESET

 

 

 

1.0

 

 

V

Voltage (Schmitt trigger)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VIHT2

Input High Threshold

 

TCC, INT

 

 

 

3.75

 

 

V

Voltage (Schmitt trigger)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VILT2

Input Low Threshold

 

TCC, INT

 

 

 

1.25

 

 

V

Voltage (Schmitt trigger)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VIHX1

Clock Input High Voltage

 

OSCI in crystal mode

 

 

 

3.5

 

 

V

VILX1

Clock Input Low Voltage

 

OSCI in crystal mode

 

 

 

1.5

 

 

V

IOH1

Output High Voltage

 

VOH = VDD-0.5V

 

 

 

-3.7

 

 

mA

(Ports 5, P60~66, P70)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IOH2

Output High Voltage

 

VOH = VDD-0.5V

 

 

 

-10

 

 

mA

(IR OUT (Port67))

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IOL1

Output Low Voltage

 

VOL = GND+0.5V

 

 

 

10

 

 

mA

(Ports 5, P60~66, P70)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IOL2

Output Low Voltage

 

VOL = GND+0.5V

 

 

 

15

 

 

mA

(IR OUT (Port 67))

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IPH

Pull-high current

 

Pull-high active, input pin at VSS

 

-70

 

-75

 

-80

μA

IPL

Pull-low current

 

Pull-low active, input pin at Vdd

 

35

 

40

 

45

μA

ISB1

Power down current

 

All input and I/O pins at VDD,

 

 

 

1.0

 

2.0

μA

 

Output pin floating, WDT disabled

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ISB2

Power down current

 

All input and I/O pins at VDD,

 

 

 

6.0

 

10

μA

 

Output pin floating, WDT enabled

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72 •

Product Specification (V1.2) 05.18.2007

 

(This specification is subject to change without further notice)

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Contents EM78P259N/260N Elan Microelectronics Corporation Contents Analog-To-Digital Converter ADC Reset and Wake-upTCC/WDT and Prescaler 6.111.3 11.111.2 11.4Doc. Version Revision Description DateFeatures General DescriptionBit Microprocessor with OTP ROM Pin DIP/SOP Block DiagramPin Assignment Pin DIP/SOP/SSOPSymbol Pin No Type Function Pin DescriptionEM78P259NP/M EM78P260NP/M/KM 1 R0 Indirect Address Register Function DescriptionOperational Registers 2 R1 Time Clock /CounterEM78P259N/260N Bit Microprocessor with OTP ROM Data Memory Configuration ContBit 5 R4 RAM Select RegisterBit 4 T Bits 5~07 R7 Port Bit 7 ~ Bit 4 C3 ~ C0 Calibrator of internal RC mode6 R5 ~ R6 Port 5 ~ Port Bit 7 ~ Bit8 R8 Aisr ADC Input Select Register 9 R9 Adcon ADC Control Register Bit 3 AdpdBit 5 ~ Bit 3 VOF2 ~ VOF0 Offset voltage bits RA Adoc ADC Offset Calibration RegisterRB Addata Converted Value of ADC Bit 2 ~ Bit 0 Unimplemented, read as ‘0’RC ADDATA1H Converted Value of ADC RD ADDATA1L Converted Value of ADCRE Interrupt Status 2 & Wake-up Control Register RF Interrupt Status 2 Register 16 R10 ~ R3FAll of these are 8-bit general-purpose registers Special Purpose Registers AccumulatorControl Register Bit 7 & Bit 6 Not used 3 IOC50 ~ IOC70 I/O Port Control Register4 IOC80 Comparator and Tcca Control Register Bit 4 & Bit 3 COS1 & COS0 Comparator/OP Select bitsTccc signal source Bit 6 Tccben Tccb enable bit 0 = disable TccbBit 4 Tccbte Tccb signal edge Bit 0 Tcccte Tccc signal edgeIOCA0 IR and Tccc Scale Control Register Bit 1 LGP Bit 3 IREBit 2 HF Bit 0 IrouteBit PD57 PD56 PD55 PD54 PD53 PD52 PD51 PD50 IOCB0 Pull-down Control RegisterIOCC0 Open-Drain Control Register Bit OD67 OD66 OD65 OD64 OD63 OD62 OD61 OD60IOCD0 Pull-high Control Register IOCE0 WDT Control & Interrupt Mask RegistersBit PH57 PH56 PH55 PH54 PH53 PH52 PH51 PH50 = Enable Lpwtif interrupt Lpwtif interrupt enable bit= Disable Lpwtif interrupt IOCF0 Interrupt Mask Register12 IOC51 Tcca Counter 13 IOC61 Tccb Counter14 IOC71 TCCBH/MSB Counter 15 IOC81 Tccc Counter16 IOC91 Low Time Register IOCA1 High Time RegisterIOCB1 High/Low Time Scale Control Register IOCC1 TCC Prescaler Counter Bit 2 ~ Bit 0 LTS2 ~ LTS0 Low time scale bitsTCC prescaler counter can be read and written to TCC/WDT and Prescaler I/O Ports MUXI/O Port and I/O Control Register Circuit for P60 /INT I/O Port and I/O Control Register Circuit for Port 50 ~ P57 Usage of Port 5 Input Change Wake-up/Interrupt Function Reset and Wake-upReset and Wake-up Operation Wake-up Wake-up and InterruptEM78P259N/260N Select Segment Signal Sleep Mode Normal Mode Comparator Address Name Reset Type Bit Following summarizes the initialized values for registersName Reset Type Bit HTR7 HTR6 HTR5 HTR4 HTR3 HTR2 HTR1 HTR0 Aisr Controller Reset Block Diagram TcifInterrupt T and P Status under Status R3 RegisterEvent EM78P259N/260N Reti Interrupt Vector Interrupt Status Priority1.1 R8 Aisr ADC Input Select Register Analog-to-Digital Converter ADCADC Control Register AISR/R8, ADCON/R9, ADOC/RA Bit 7 ~ Bit 3 ADE3 Bit 2 ADE21.2 R9 Adcon AD Control Register P54/TCC/VREF Pin Priority High Medium LowP54 While the CPU is operating = ADC is operatingRA Adoc AD Offset Calibration Register ADC Sampling Time ADC Operation during Sleep ModeADC Data Register ADDATA/RB, ADDATA1H/RC, ADDATA1L/RD AD Conversion TimeProgramming Process/Considerations Programming ProcessFollow these steps to obtain data from the ADC ADC Control Register Sample Demo Programs Define a General RegisterDefine a Control Register Define Bits in AdconAD power on Infrared Remote Control Application/PWM Waveform Generation OverviewFunction Description FcarrierIRE Irout Programming the Related Registers IR/PWM Related Status/Data RegistersAddress Name Bit EM78P259N/260N Timer/Counter Under Tcca Counter IOC51Under Tccb Counter IOC61 Under Tccc Counter IOC81 Comparator Related Tccx Status/Data RegistersExternal Reference Signal Comparator OutputUsing a Comparator as an Operation Amplifier Wake-up from Sleep ModeComparator Interrupt Oscillator Modes OscillatorOscillator Modes ConditionsCrystal Oscillator/Ceramic Resonators Crystal Oscillator TypeFrequency C1pF C2pF External RC Oscillator Mode 18 Serial Mode Crystal/Resonator Circuit DiagramCext Rext Average Fosc 5V, 25C Average Fosc 3V, 25C Internal RC Oscillator ModeInternal Drift Rate RC Frequency Temperature 40C ~ +85C 3V~5.5V TotalPower-on Considerations External Power-on Reset CircuitProgrammable WDT Time-out Period EM78P259N Residual Voltage ProtectionVdd EM78P260NWord Word1 Bit12 ~ Bit0 Code OptionCode Option Register Word Word Bit Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 BitBit Microprocessor with OTP ROM Bit 3 HLP = Pulses equal to 8/fc s is regarded as signal= Pulses equal to 32/fc s is regarded as signal default Bit 2 ~ 0 PR2 ~ PR0 Protect BitsBit 1 & Bit 0 RCM1, RCM0 RC mode selection bits Instruction SetCustomer ID Register Word Following are the EM78P259N/260N instruction set Instruction BinaryMnemonic Operation Status Affected Absolute Maximum Ratings Items RatingDC Electrical Characteristics Symbol Parameter Condition Min Typ Max UnitTa=25 C, VDD=5.0V±5%, VSS=0V Internal RC Drift Rate Voltage Min Typ MaxAD Converter Characteristics Vdd=2.5V to 5.5V, Vss=0V, Ta=25CComparator OP Characteristics Device CharacteristicsVdd = 5.0V, Vss=0V, Ta=25C AC Electrical Characteristic Symbol Parameter Conditions Min Typ Max UnitTa=25C, VDD=5V±5%, VSS=0V AC Test Input/Output Waveform Timing DiagramsReset Timing CLK=0 TCC Input Timing CLKS=018-Lead Plastic Dual in line Pdip 300 mil Package TypePackage Information Package Type Pin Count Package Size18-Lead Plastic Small Outline SOP 300 mil 838Lead Plastic Shrink Small Outline Ssop 209 mil 650Lead Plastic Dual-in-line Pdip 300 mil Lead Plastic Small Outline SOP 300 mil Quality Assurance and Reliability Address Trap DetectTest Category Test Conditions Remarks
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