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PDF UPD78F0034A Data sheet ( Hoja de datos )
| Número de pieza | UPD78F0034A | |
| Descripción | 8 Bit Single Chip Microcontroller | |
| Fabricantes | NEC | |
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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD78F0034A, 78F0034AY
8-BIT SINGLE-CHIP MICROCONTROLLER
DESCRIPTION
The µPD78F0034A is a member of the µPD780034A Subseries in the 78K/0 Series, and is equivalent to the
µPD780034A but with flash memory in place of internal ROM.
The µPD78F0034AY is a member of the µPD780034AY Subseries, featuring flash memory in place of the internal
ROM of the µPD780034AY.
The µPD78F0034A incorporates flash memory, which can be programmed and erased while mounted on the board.
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 Instruction User’s Manual: U12326E
FEATURES
• Pin-compatible with mask ROM versions (except VPP pin)
• Flash memory:
32 KBNote
• Internal high-speed RAM: 1,024 bytesNote
• Supply voltage:
VDD = 1.8 to 5.5 V
Note The flash memory and internal high-speed RAM capacities can be changed with the memory size switching
register (IMS).
Remark For the differences between the flash memory and the mask ROM versions, refer to 4. DIFFERENCES
BETWEEN µPD78F0034A, 78F0034AY, AND MASK ROM VERSIONS.
ORDERING INFORMATION
Part Number
Package
Internal ROM
µPD78F0034ACW
µPD78F0034AGB-8EU
µPD78F0034AGC-8BS
µPD78F0034AGC-AB8
µPD78F0034AGK-9ET
µPD78F0034AYCW
µPD78F0034AYGB-8EU
µPD78F0034AYGC-8BS
µPD78F0034AYGC-AB8
µPD78F0034AYGK-9ET
64-pin plastic SDIP (19.05 mm (750))
64-pin plastic LQFP (10 × 10)
64-pin plastic LQFP (14 × 14)
64-pin plastic QFP (14 × 14)
64-pin plastic TQFP (12 × 12)
64-pin plastic SDIP (19.05 mm (750))
64-pin plastic LQFP (10 × 10)
64-pin plastic LQFP (14 × 14)
64-pin plastic QFP (14 × 14)
64-pin plastic TQFP (12 × 12)
Flash memory
Flash memory
Flash memory
Flash memory
Flash memory
Flash memory
Flash memory
Flash memory
Flash memory
Flash memory
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. U14040EJ4V0DS00 (4th edition)
Date Published April 2002 N CP(K)
Printed in Japan
The mark shows major revised points.
©
1999, 2000
1 page  
µPD78F0034A, 78F0034AY
OVERVIEW OF FUNCTIONS
Item
Part Number
Internal
Flash memory
memory
High-speed RAM
www.datasheet4u.Mcoemmory space
µPD78F0034A
32 KBNote
1,024 bytesNote
64 KB
µPD78F0034AY
General-purpose registers
8 bits × 32 registers (8 bits × 8 registers × 4 banks)
Minimum instruction execution time On-chip minimum instruction execution time cycle variable function
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
• N-ch open-drain I/O (5 V withstand voltage): 4
A/D converter
• 10-bit resolution × 8 channels
• Operable over a wide power supply voltage range: AVDD = 1.8 to 5.5 V
Serial interface
• UART mode:
1 channel
• 3-wire serial I/O mode: 2 channels
• UART mode:
1 channel
• 3-wire serial I/O mode: 1 channel
• I2C bus mode
(multimaster supporting): 1 channel
Timers
• 16-bit timer/event counter: 1 channel
• 8-bit timer/event counter: 2 channels
• Watch timer:
1 channel
• Watchdog timer:
1 channel
Timer outputs
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 interrupt
sources
Maskable
Non-maskable
Internal: 13, external: 5
Internal: 1
Software
1
Test inputs
Internal: 1, external: 1
Supply voltage
VDD = 1.8 to 5.5 V
Operating ambient temperature
TA = –40 to +85°C
Package
• 64-pin plastic SDIP (19.05 mm (750))
• 64-pin plastic LQFP (10 × 10)
• 64-pin plastic LQFP (14 × 14)
• 64-pin plastic QFP (14 × 14)
• 64-pin plastic TQFP (12 × 12)
Note The capacities of the flash memory and the internal high-speed RAM can be changed with the memory size
switching register (IMS).
Data Sheet U14040EJ4V0DS
5
5 Page 
µPD78F0034A, 78F0034AY
3. PIN FUNCTIONS
3.1 Port Pins (1/2)
Pin Name I/O
Function
P00
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P01
P02
P03
P10 to P17
P20
P21
P22
P23
P24
P25
P30
P31
P32
P33
P34
P35
P36
P40 to P47
P50 to P57
P64
P65
P66
P67
I/O Port 0
4-bit I/O port.
Input/output can be specified in 1-bit units.
An on-chip pull-up resistor can be specified by software.
Input
I/O
Port 1
8-bit input-only port.
Port 2
6-bit I/O port.
Input/output can be specified in 1-bit units.
An on-chip pull-up resistor can be specified by software.
I/O Port 3
N-ch open-drain I/O port.
7-bit I/O port.
LEDs can be driven directly.
Input/output can be specified
in 1-bit units.
An on-chip pull-up resistor can be
specified by software.
I/O Port 4
8-bit I/O port.
Input/output can be specified in 1-bit units.
An on-chip pull-up resistor can be specified by software.
Interrupt request flag KRIF is set to 1 by falling edge detection.
I/O Port 5
8-bit I/O port.
LEDs can be driven directly.
Input/output can be specified in 1-bit units.
An on-chip pull-up resistor can be specified by software.
I/O Port 6
4-bit I/O port.
Input/output can be specified in 1-bit units.
An on-chip pull-up resistor can be specified by software.
After Reset
Alternate
Function
Input
INTP0
INTP1
INTP2
INTP3/ADTRG
Input
ANI0 to ANI7
Input
Input
SI30
SO30
SCK30
RxD0
TxD0
ASCK0
–
Input
SDA0Note 1
SCL0Note 1
SI31Note 2
SO31Note 2
SCK31Note 2
AD0 to AD7
Input
A8 to A15
Input
RD
WR
WAIT
ASTB
Notes 1. SDA0 and SCL0 are incorporated only in the µPD78F0034AY Subseries.
2. SI31, SO31, and SCK31 are incorporated only in the µPD78F0034A Subseries.
Data Sheet U14040EJ4V0DS
11
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| PDF Descargar | [ Datasheet UPD78F0034A.PDF ] | |
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