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PDF EM78P259N Data sheet ( Hoja de datos )
| Número de pieza | EM78P259N | |
| Descripción | (EM78P260N / EM78P259N) 8-Bit Microprocessor | |
| Fabricantes | ELAN Microelectronics | |
| Logotipo |  |
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EM78P259N/260N
8-Bit Microprocessor
with OTP ROM
Product
Specification
DOC. VERSION 1.0
ELAN MICROELECTRONICS CORP.
June 2005
1 page  
Contents
6.10 Comparator ...................................................................................................... 58
6.10.1 External Reference Signal ................................................................................59
6.10.2 Comparator Outputs..........................................................................................60
6.10.3 Using Comparator as an Operation Amplifier....................................................60
6.10.4 Comparator Interrupt .........................................................................................60
6.10.5 Wake-up from SLEEP Mode .............................................................................60
6.11 Oscillator .......................................................................................................... 61
6.11.1 Oscillator Modes................................................................................................61
6.11.2 Crystal Oscillator/Ceramic Resonators (XTAL) .................................................62
6.11.3 External RC Oscillator Mode.............................................................................63
6.11.4 Internal RC Oscillator Mode ..............................................................................64
6.12 Power-on Considerations ................................................................................. 65
6.12.1 Programmable WDT Time-Out Period ..............................................................65
6.12.2 External Power-on Reset Circuit .......................................................................65
6.12.3 Residual Voltage Protection ..............................................................................66
6.13 Code Option ..................................................................................................... 67
6.13.1 Code Option Register (Word 0).........................................................................67
6.13.2 Code Option Register (Word 1).........................................................................68
6.13.3 Customer ID Register (Word 2).........................................................................69
6.14 Instruction Set .................................................................................................. 69
7 Absolute Maximum Ratings ................................................................................... 71
8 DC Electrical Characteristics ................................................................................. 72
8.1 AD Converter Characteristics........................................................................... 73
8.2 Comparator (OP) Characteristics ..................................................................... 74
8.3 Device Characteristics...................................................................................... 74
9 AC Electrical Characteristic ................................................................................... 75
10 Timing Diagrams ..................................................................................................... 76
APPENDIX
A. Package Types Summary ....................................................................................... 77
B Packaging Configurations...................................................................................... 77
B.1 18-Lead Plastic Dual in line (PDIP) - 300 mil ................................................... 77
B.2 18-Lead Plastic Small Outline (SOP) - 300 mil ................................................ 78
B.3 20-Lead Plastic Shrink Small Outline (SSOP) - 209 mil ................................... 79
B.4 20-Lead Plastic Dual-in-line (PDIP) - 300 mil ................................................... 80
B.5 20-Lead Plastic Small Outline (SOPP) - 300 mil .............................................. 81
C Quality Assurance and Reliability ......................................................................... 82
C.1 Address Trap Detect......................................................................................... 82
Product Specification (V1.0) 06.16.2005
•v
5 Page 
EM78P259N/260N
8-Bit Microprocessor with OTP ROM
5.2 EM78P260NP/M/KM Pin Description
Symbol
VDD
OSCI
Pin No. Type
15 –
17 I
OSCO
16 I/O
P70
P60 ~ P67
16 I/O
7 ~ 14 I/O
P50 ~ P57
1~4
17 ~ 20
I/O
CIN–, CIN+
CO
13, 12
11
I
O
IR OUT
14 O
VREF
/INT
4
7
TCC, TCCA,
TCCB, TCCC
4, 8,
9, 10
I
I
I
ADC0 ~ ADC3
2, 3,
18, 19
I
/RESET
5I
VSS
6–
Function
Power supply.
■ XTAL type Crystal input terminal or external clock input pin
■ RC type: RC oscillator input pin
■ XTAL type: Output terminal for crystal oscillator or external
clock input pin
■ RC type: Clock output with a time period of one instruction
cycle.
■ External clock signal input
■ General-purpose I/O pin
■ Default value at power-on reset
■ General-purpose I/O pin
■ Open-drain
■ Default value at power-on reset
■ General-purpose I/O pin
■ Pull-high/pull-down
■ Wake up from sleep mode when the status of the pin changes
■ Default value at power-on reset
■ “–“→ the input pin of Vin– of a comparator
■ “+”→ the input pin of Vin+ of a comparator
■ Pin CO is the output of the comparator
■ Defined by IOC80 <4:3>
■ IR mode output pin. Capable of driving and sinking
current = 20mA when the output voltage drops to 0.7Vdd and
rise to 0.3Vdd at Vdd = 5V.
■ External reference voltage for ADC
■ Defined by ADCON (R9)<7>
■ External interrupt pin triggered by falling or rising edge.
■ Defined by CONT <7>
■ External Counter input
■ TCC defined by CONT<5>
■ TCCA defined by IOC80 <1>
■ TCCB defined by IOC90 <5>
■ TCCC defined by IOC90 <1>
■ Analog to Digital Converter
■ Defined by ADCON (R9)<1:0>
■ If it remains at logic low, the device will be reset
■ Wake-up from sleep mode when pin status changes
■ Voltage on /RESET/Vpp must not exceed Vdd during normal
mode
Ground
Product Specification (V1.0) 06.16.2005
(This specification is subject to change without further notice)
•5
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet EM78P259N.PDF ] | |
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