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PDF UPD780031AYGC Data sheet ( Hoja de datos )

Número de pieza UPD780031AYGC
Descripción 8-BIT SINGLE-CHIP MICROCONTROLLERS
Fabricantes NEC 
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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD780031AY, 780032AY, 780033AY, 780034AY
8-BIT SINGLE-CHIP MICROCONTROLLERS
DESCRIPTION
The µPD780031AY, 780032AY, 780033AY, and 780034AY are members of the µPD780034AY Subseries of the
78K/0 Series. This is a µPD780034A Subseries product with an added multimaster-supporting I2C bus interface, and
is suitable for AV equipment applications.
A flash memory version, the µPD78F0034AY, that can operate in the same power supply voltage range as the mask
ROM version, and various development tools, are available.
Detailed function descriptions are provided in the following user’s manuals. Be sure to read them before
designing.
µPD780024A, 780034A, 780024AY, 780034AY
Subseries User's Manual:
U14046E
78K/0 Series User’s Manual Instructions: U12326E
FEATURES
• Internal ROM and RAM
Item Program Memory
Data Memory
Part Number
(Internal ROM) (Internal High-Speed RAM)
Package
µPD780031AY
µPD780032AY
µPD780033AY
8 Kbytes
16 Kbytes
24 Kbytes
512 bytes
1024 bytes
• 64-pin plastic shrink DIP (750 mils)
• 64-pin plastic QFP (14 × 14 mm)
• 64-pin plastic LQFP (12 × 12 mm)
µPD780034AY
32 Kbytes
• External memory expansion space: 64 Kbytes
• Minimum instruction execution time: 0.24 µs (@ fX = 8.38-MHz operation)
• I/O ports: 51 (5-V-tolerant N-ch open-drain: 4)
• 10-bit resolution A/D converter: 8 channels (AVDD = 1.8 to 5.5 V)
• Serial interface: 3 channels (multimaster-supporting I2C bus mode, UART mode, 3-wire serial I/O mode)
• Timer: 5 channels
• Power supply voltage: VDD = 1.8 to 5.5 V
APPLICATIONS
Telephones, home electric appliances, pagers, AV equipment, car audios, office automation equipment, etc.
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. U14045EJ1V0DS00 (1st edition)
Date Published August 1999 N CP(K)
Printed in Japan
©
1999

1 page




UPD780031AYGC pdf
µPD780031AY, 780032AY, 780033AY, 780034AY
OVERVIEW OF FUNCTIONS
Item
Part Number
µPD780031AY
µPD780032AY
µPD780033AY
µPD780034AY
Internal
ROM
8 Kbytes
16 Kbytes
24 Kbytes
32 Kbytes
memory
High-speed RAM 512 bytes
1024 bytes
Memory space
64 Kbytes
General-purpose registers
8 bits × 32 registers (8 bits × 8 registers × 4 banks)
Minimum instruction execution
On-chip minimum instruction execution time cycle variable function
time When main system 0.24 µs/0.48 µs/0.95 µs/1.91 µs/3.81 µs (@ 8.38-MHz operation)
clock selected
When subsystem
clock selected
122 µs (@ 32.768-kHz operation)
Instruction set
• 16-bit operation
• Multiply/divide (8 bits × 8 bits,16 bits ÷ 8 bits)
• Bit manipulation (set, reset, test, Boolean operation)
• BCD adjust, etc.
I/O ports
Total:
51
• CMOS input:
8
• CMOS I/O:
39
• 5-V-tolerant N-ch open-drain I/O: 4
A/D converter
• 10-bit resolution x 8 channels
• Low-voltage operation available: AVDD = 1.8 to 5.5 V
Serial interface
• 3-wire serial I/O mode:
• UART mode:
• I2C bus mode (multimaster supported):
1 channel
1 channel
1 channel
Timer
• 16-bit timer/event counter:
• 8-bit timer/event counter:
• Watch timer:
• Watchdog timer:
1 channel
2 channels
1 channel
1 channel
Timer output
3 (8-bit PWM output capable: 2)
Clock output
• 65.5 kHz, 131 kHz, 262 kHz, 524 kHz, 1.05 MHz, 2.10 MHz, 4.19 MHz, 8.38 MHz
(@ 8.38-MHz operation with main system clock )
• 32.768 kHz (@ 32.768-kHz operation with subsystem clock)
Buzzer output
1.02 kHz, 2.05 kHz, 4.10 kHz, 8.19 kHz (@ 8.38-MHz operation with main system clock)
Vectored
Maskable
Internal: 13, external: 5
interrupt
Non-maskable
Internal: 1
sources
Software
1
Power supply voltage
VDD = 1.8 to 5.5 V
Operating ambient temperature TA = –40 to +85°C
Package
• 64-pin plastic shrink DIP (750 mils)
• 64-pin plastic QFP (14 × 14 mm)
• 64-pin plastic LQFP (12 × 12 mm)
Data Sheet U14045EJ1V0DS00
5

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UPD780031AYGC arduino
µPD780031AY, 780032AY, 780033AY, 780034AY
3. PIN FUNCTIONS
3.1 Port Pins (1/2)
Pin Name I/O
Function
P00 I/O Port 0
P01 4-bit input/output port
Input/output can be specified in 1-bit units.
P02
An on-chip pull-up resistor can be connected by means of software.
P03
P10 to P17 Input Port 1
8-bit input-only port
P20 I/O Port 2
P21 6-bit input/output port
Input/output can be specified in 1-bit units.
P22
An on-chip pull-up resistor can be connected by means of software.
P23
P24
P25
P30 I/O Port 3
N-ch open-drain input/output port
P31 7-bit input/output port The mask option can be used to specify the
Input/output can be connection of an on-chip pull-up resistor to P30, P31.
P32
specified in 1-bit units. LEDs can be driven directly.
P33
P34 An on-chip pull-up resistor can be
P35 connected by means of software.
P36
P40 to P47
I/O Port 4
8-bit input/output port
Input/output can be specified in 1-bit units.
An on-chip pull-up resistor can be connected by means of software.
The interrupt request flag (KRIF) is set to 1 by falling edge detection.
P50 to P57
I/O Port 5
8-bit input/output port
LEDs can be driven directly.
Input/output can be specified in 1-bit units.
An on-chip pull-up resistor can be connected by means of software.
P64 I/O Port 6
P65 4-bit input/output port
Input/output can be specified in 1-bit units.
P66
An on-chip pull-up resistor can be connected by means of software.
P67
After
Reset
Alternate
Function
Input INTP0
INTP1
INTP2
INTP3/ADTRG
Input ANI0 to ANI7
Input SI30
SO30
SCK30
RxD0
TxD0
ASCK0
Input
SDA0
SCL0
Input AD0 to AD7
Input A8 to A15
Input
RD
WR
WAIT
ASTB
Data Sheet U14045EJ1V0DS00
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