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PDF UPD78C17 Data sheet ( Hoja de datos )
| Número de pieza | UPD78C17 | |
| Descripción | 8-BIT SINGLE-CHIP MICROCONTROLLER WITH A/D CONVERTER | |
| Fabricantes | NEC | |
| Logotipo |  |
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DATA SHEET
MOS INTEGRATED CIRCUIT
µ PD78C17, 78C18
8-BIT SINGLE-CHIP MICROCONTROLLER (WITH A/D CONVERTER)
The µPD78C18 is an 8-bit CMOS microcontroller which integrates 16-bit ALU, ROM, RAM, an A/D converter, a
multi-function timer/event counter, and a general-purpose serial interface onto a single chip, and whose memory
(ROM/RAM) is externally expandable up to 31 Kbytes. The µPD78C18 can operate at low power consumption
because of its CMOS architecure and is provided with a standby function that enables data retention with an even
lower power consumption.
The µPD78C17 is the ROM-less version of the µPD78C18. Its memory (ROM/RAM) is expandable externally up
to 63 Kbytes.
A detailed explanation of the functions is provided in the user's manual listed below. It should be read before
starting design work.
87AD Series µPD78C18 User's Manual: IEU-1314
FEATURES
• 159 types of instructions: 87AD series instruction set plus multiply/divide and 16-bit operation instructions
• Instruction cycle: 0.8 µs (at 15-MHz operation)
• Internal ROM: 32768 x 8 bits (µPD78C18 only)
• Internal RAM: 1024 x 8 bits
• Up to 64 Kbytes of memory (ROM/RAM) can be directly addressed.
• High-resolution 8-bit A/D converter: 8 analog inputs
• General-purpose serial interface: Asynchronous, synchronous, I/O interface modes
• Multi-function 16-bit timer/event counter
• Two 8-bit timers
• I/O lines Input/output ports : 28 (µPD78C17), 40 (µPD78C18)
Edge detection inputs : 4
• 11 interrupt functions External : 3, Internal: 8 (Non-maskable: 1, Maskable: 10)
• Zero-cross detection function: (2 inputs)
• Standby function: HALT mode, hardware/software STOP mode
• Mask option pull-up resistors can be incorporated into Ports A, B, and C. (µPD78C18 only)
ORDERING INFORMATION
Part Number
µPD78C17CW
µPD78C17GF-3BE
µPD78C17GQ-36
µPD78C18CW-xxx
µPD78C18GF-xxx-3BE
µPD78C18GQ-xxx-36
Package
64-pin plastic shrink DIP (750 mils)
64-pin plastic QFP (14 x 20 mm)
64-pin plastic QUIP
64-pin plastic shrink DIP (750 mils)
64-pin plastic QFP (14 x 20 mm)
64-pin plastic QUIP
Document No. IC-2789B
(O.D.No. IC-8048B)
Date Published June 1995 P
Printed in Japan
The information in this document is subject to change without notice.
The mark 5 shows revised points.
©
11999950
1 page  
µPD78C17,78C18
CONTENTS
1. PIN FUNCTIONS ..........................................................................................................................................7
1.1 LIST OF PIN FUNCTION ......................................................................................................................................7
1.2 PIN INPUT/OUTPUT CIRCUITS ..........................................................................................................................9
1.3 PIN MASK OPTIONS .........................................................................................................................................15
1.4 UNUSED PIN CONNECTIONS ..........................................................................................................................15
2. INTERNAL BLOCK FUNCTIONS ..............................................................................................................16
2.1 REGISTERS .........................................................................................................................................................16
2.2 ARITHMETIC LOGIC UNIT (ALU) .....................................................................................................................17
2.3 PROGRAM STATUS WORD (PSW) ..................................................................................................................17
2.4 MEMORY ............................................................................................................................................................19
2.5 PORT FUNCTIONS .............................................................................................................................................22
2.6 TIMER ..................................................................................................................................................................31
2.7 TIMER/EVENT COUNTER .................................................................................................................................34
2.8 SERIAL INTERFACE ...........................................................................................................................................41
2.9 ANALOG/DIGITAL CONVERTER ......................................................................................................................52
2.10 ZERO-CROSS DETECTOR .................................................................................................................................55
3. INTERRUPT FUNCTIONS .........................................................................................................................57
3.1 INTERRUPT CONTROL CIRCUIT CONFIGURATION ......................................................................................58
3.2 NON-MASKABLE INTERRUPT OPERATION ...................................................................................................61
3.3 MASKABLE INTERRUPT OPERATION ............................................................................................................63
3.4 INTERRUPT OPERATION BY SOFTI INSTRUCTION ......................................................................................64
4. STANDBY FUNCTIONS ............................................................................................................................65
4.1 HALT MODE .......................................................................................................................................................65
4.2 HALT MODE RELEASE ......................................................................................................................................66
4.3 SOFTWARE STOP MODE .................................................................................................................................68
4.4 SOFTWARE STOP MODE RELEASE ................................................................................................................68
4.5 HARDWARE STOP MODE .................................................................................................................................69
4.6 HARDWARE STOP MODE RELEASE ...............................................................................................................70
4.7 LOW SUPPLY VOLTAGE DATA RETENTION MODE ..................................................................................... 71
5. RESET OPERATIONS ................................................................................................................................72
6. INSTRUCTION SET ...................................................................................................................................73
6.1 IDENTIFIER/DESCRIPTION OF OPERAND ......................................................................................................73
6.2 SYMBOL DESCRIPTION OF INSTRUCTION CODE ........................................................................................74
6.3 INSTRUCTION EXECUTION TIME ...................................................................................................................75
7. LIST OF MODE REGISTERS .....................................................................................................................87
8. ELECTRICAL SPECIFICATIONS ................................................................................................................88
9. CHARACTERISTIC CURVES .....................................................................................................................99
10. PACKAGE DRAWINGS ...........................................................................................................................102
5
5 Page 
(5) Type 5
output data
output disable
Type 4
µPD78C17,78C18
IN/OUT
(6) Type 5-A
output data
output disable
Type 1
Type 4-A
IN/OUT
(7) Type 7
(8) Type 8
Type 1
IN
AV DD
P-ch
N-ch
AV DD
+
Sampling
C
–
AV SS
Reference Voltage
(from Voltage Tap of Serial Resistance String)
output data
output disable
N-ch
N-ch
Type 5
Type 2
IN/OUT
MCC
11
11 Page | ||
| Páginas | Total 70 Páginas | |
| PDF Descargar | [ Datasheet UPD78C17.PDF ] | |
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