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PDF UPD784031YGC-3B9 Data sheet ( Hoja de datos )

Número de pieza UPD784031YGC-3B9
Descripción 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
Fabricantes NEC 
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No Preview Available ! UPD784031YGC-3B9 Hoja de datos, Descripción, Manual

DATA SHEET
MOS INTEGRATED CIRCUIT
µPD784031Y
16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
The µPD784031Y is based on the µPD784031 with an I2C bus control function appended, and is ideal for
applications in audio-visual systems.
The µPD784031Y is a ROM-less version of µPD784035Y and 784036Y.
The functions are explained in detail in the following User’s Manual. Be sure to read this manual when
designing your system.
µPD784038, 784038Y Subseries User’s Manual - Hardware : U11316E
78K/IV Series User’s Manual - Instruction
: U10905E
FEATURES
78K/IV Series
Pin-compatible with µPD78234 Subseries,
µPD784026 Subseries, and µPD784038
Subseries
Minimum instruction execution time: 125 ns
(@ 32-MHz operation)
I/O ports: 46
Serial interface: 3 channels
UART/IOE (3-wire serial I/O): 2 channels
CSI (3-wire serial I/O, 2-wire serial I/O, I2C bus):
1 channel
PWM output: 2 outputs
Timer/counter
16-bit Timer/counter x 3 units
16-bit Timer x 1 unit
Standby function
HALT/STOP/IDLE mode
Clock division function
Watchdog timer: 1 channel
A/D converter: 8-bit resolution x 8 channels
D/A converter: 8-bit resolution x 2 channels
Supply voltage: VDD = 2.7 to 5.5 V
APPLICATION FIELDS
Cellular phones, cordless phones, audio-visual systems, etc.
ORDERING INFORMATION
Part Number
µPD784031YGC-3B9
µPD784031YGC-8BT
µPD784031YGK-BE9
Package
Internal ROM (Bytes) Internal RAM (Bytes)
80-pin plastic QFP (14 x 14 mm, thickness 2.7 mm)
80-pin plastic QFP (14 x 14 mm, thickness 1.4 mm)
80-pin plastic TQFP (fine pitch) (12 x 12 mm)
None
None
None
2048
2048
2048
The information in this document is subject to change without notice.
Document No. U11504EJ1V0DS00 (1st edition)
Date Published July 1997 N
Printed in Japan
The mark shows major revised points.
©
1996

1 page




UPD784031YGC-3B9 pdf
µPD784031Y
9. LOCAL BUS INTERFACE .............................................................................................................. 47
9.1 Memory Expansion ............................................................................................................................... 47
9.2 Memory Space ....................................................................................................................................... 48
9.3 Programmable Wait .............................................................................................................................. 49
9.4 Pseudo Static RAM Refresh Function ................................................................................................. 49
9.5 Bus Hold Function ................................................................................................................................ 49
10. STANDBY FUNCTION .................................................................................................................... 50
11. RESET FUNCTION ......................................................................................................................... 51
12. INSTRUCTION SET ........................................................................................................................ 52
13. ELECTRICAL SPECIFICATIONS ................................................................................................... 57
14. PACKAGE DRAWINGS .................................................................................................................. 77
15. RECOMMENDED SOLDERING CONDITIONS .............................................................................. 80
APPENDIX A. DEVELOPMENT TOOLS ............................................................................................... 82
APPENDIX B. RELATED DOCUMENTS ............................................................................................... 84
5

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UPD784031YGC-3B9 arduino
µPD784031Y
5. PIN FUNCTION
5.1 Port Pins
Pin Name
P00 to P07
P10
P11
P12
P13
P14
P15 to P17
P20
P21
P22
P23
P24
P25
P26
P27
P30
P31
P32
P33
P34 to P37
P60 to P63
P66
P67
P70 to P77
I/O Alternate Function
I/O –
I/O
Input
I/O
I/O
PWM0
PWM1
ASCK2/SCK2
RxD2/SI2
TxD2/SO2
NMI
INTP0
INTP1
INTP2/CI
INTP3
INTP4/ASCK/SCK1
INTP5
SI0
RxD/S1
TxD/SO1
SCK0/SCL
SO0/SDA
TO0 to TO3
A16 to A19
WAIT/HLDRQ
REFRQ/HLDAK
I/O AN10 to AN17
Function
Port 0 (P0):
• 8-bit I/O port
• Can be used as real-time output port (4 bits x 2).
• Can be set in input or output mode bitwise.
• Pins set in input mode can be connected to internal pull-up
resistors by software.
• Can drive transistor.
Port 1 (P1):
• 8-bit I/O port
• Can be set in input or output mode bitwise.
• Pins set in input mode can be connected to internal pull-up
resistors by software.
• Can drive LEDs.
Port 2 (P2):
• 8-bit input port
• P20 cannot be used as general-purpose port pin (non-maskable
interrupt). However, its input level can be checked by interrupt
routine.
• P22 through P27 can be connected to internal pull-up resistors
by software in 6-bit units.
• P25/INTP4/ASCK/SCK1 pin can operate as SCK1 output pin if
so specified by CSIM1.
Port 3 (P3):
• 8-bit I/O port
• Can be set in input or output mode bitwise.
• Pins set in input mode can be connected to internal pull-up
resistors by software.
Port 6 (P6):
• P60 through P63 is dedicated ports for output.
• P66 and P67 can be set in input or output mode bitwise.
• Pins set in input mode can be connected to internal pull-up
resistors by software.
Port 7 (P7):
• 8-bit I/O port
• Can be set in input or output mode bitwise.
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