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PDF D75216ACW Data sheet ( Hoja de datos )
| Número de pieza | D75216ACW | |
| Descripción | UPD75216ACW | |
| Fabricantes | NEC | |
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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD75216A
4-BIT SINGLE-CHIP MICROCOMPUTER
DESCRIPTION
The µPD75216A is a microcomputer with a CPU capable of 1-, 4-, and 8-bit data processing, ROM, RAM, I/O ports,
a fluorescent display tube controller/driver, a watch timer, a timer/pulse generator capable of outputting 14-bit PWM,
a serial interface and a vectored interrupt function integrated on a single-chip.
The µPD75216A is a product with the ROM capacity and the number of display segments extended for the
µPD75208.
It uses the VCR, ECR and CD fluorescent display tubes as display devices and is most suitable for applications
requiring the timer/watch function and high-speed interrupt servicing. It can help to provide the unit with many
functions and to decrease performance costs.
Functions are described in detail in the following User’s Manual. Be sure to read when carrying out design work.
µPD75216A User’s Manual: IEM-988
FEATURES
• Architecture equal to that of an 8-bit microcomputer
• High-speed operation : Minimum instruction execution time : 0.95 µs (when operated at 4.19 MHz)
• Instruction execution time variable function realizing a wide range of operating voltages
• On-chip large-capacity program memory : 16K bytes
• Watch operation with an ultra low current consumption : 5µA TYP. (at the 3 V operation)
• On-chip programmable fluorescent display tube controller/driver
• Timer function : 4 ch
• 14-bit PWM output capability with the voltage synthesizer type electronic tuner
• Buzzer output capability
• Interrupt function with importance attached to applications
• For power-off detection
• For remote controlled reception
• Product with an on-chip PROM : µPD75P216A, µPD75P218 (on-chip EPROM : WQFN package)
APPLICATION FIELD
VCR, CD player, ECR, etc.
Document No. IC-1999C
(O. D. No. IC-7177D)
Date Published February 1994 P
Printed in Japan
The information in this document is subject to change without notice.
The mark 5 shows major revised points.
© NEC Corporation 1990
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µPD75216A
15. RECOMMENDED SOLDERING CONDITIONS ........................................................................................ 66
APPENDIX A. LIST OF µPD75216A SERIES PRODUCT FUNCTIONS ........................................................ 67
APPENDIX B. DEVELOPMENT TOOLS ......................................................................................................... 69
APPENDIX C. RELATED DOCUMENTS ......................................................................................................... 70
5
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µPD75216A
3.3 PIN INPUT/OUTPUT CIRCUIT LIST
TYPE A
VDD
P-ch
IN
N-ch
CMOS-Specified Input Buffer
TYPE B
IN
TYPE F
data
output
disable
Type D
Type B
IN/OUT
Input/Output Circuit Consisting of Type D Push-Pull Output
and Type B Schmitt-Triggered Input
TYPE G
P-ch output
disable
data
VDD
P-ch
IN/OUT
Type B
N-ch
Schmitt-Triggered Input Having Hysteresis Characteristics
TYPE D
data
VDD
P-ch
OUT
Input/Output Circuit Capable of Switching between Push-Pull
Output and N-ch Open-Drain Output (with P-ch OFF).
TYPE V
data
output
disable
Type D
IN/OUT
output
disable
N-ch
Push-Pull Output which can be Set to Output High Impedance
(with Both P-ch and N-ch Set to OFF)
Type A
Pull-down
Resistor
(Mask Option)
TYPE E
TYPE I
data
output
disable
Type D
IN/OUT
Type A
Input/Output Circuit Consisting of Type D Push-Pull Output
and Type A Input Buffer
data
VDD
P-ch
N-ch
VDD
P-ch
OUT
Pull-down Resistor
(Mask Option)
VLOAD
VPRE
11
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