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PDF UPD78F9116B Data sheet ( Hoja de datos )
| Número de pieza | UPD78F9116B | |
| Descripción | 8-Bit Single-Chip Microcontroller | |
| Fabricantes | NEC Electronics | |
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DATA SHEET
MOS INTEGRATED CIRCUITS
µPD78F9116B, 78F9116B(A)
8-BIT SINGLE-CHIP MICROCONTROLLERS
DESCRIPTION
The µPD78F9116B is a µPD789114A Subseries product of the 78K/0S Series.
The µPD78F9116B replaces the internal ROM of the µPD789111A,789112A and 789114A with flash memory, which
enables the writing/erasing of a program while the device is mounted on the board.
A stricter quality assurance program (called special grade in NEC’s grade classification) is applied to the
µPD78F9116B(A), compared to the µPD78F9116B, which are classified as standard grade.
Because flash memory allows the program to be written and erased electrically with the device mounted on the
board, this product is ideal for the evaluation stages of system development, small-scale production, and rapid
development of new products.
Detailed function descriptions are provided in the following user’s manuals. Be sure to read them before
designing.
µPD789104A, 789114A, 789124A, 789134A Subseries User’s Manual: U14643E
78K/0S Series User’s Manual Instruction:
U11047E
FEATURES
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• Pin-compatible with mask ROM version (excluding VPP pin)
• Flash memory:
16 KB
• Internal high-speed RAM: 256 bytes
• On-chip multiplier:
8 bits × 8 bits = 16 bits
• Minimum instruction execution time can be changed from high-speed (0.2 µs) to low-speed (0.8 µs) (@ 10.0 MHz
operation with system clock, VDD = 4.5 to 5.5 V)
• I/O ports: 20
• Serial interface: 1 channel: Switchable between 3-wire serial I/O and UART modes
• 10-bit resolution A/D converter: 4 channels
• Timers: 3 channels
• 16-bit timer:
1 channel
• 8-bit timer/event counter: 1 channel
• Watchdog timer:
1 channel
• Power supply voltage: VDD = 1.8 to 5.5 V
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APPLICATIONS
Cleaners, washing machines, refrigerators and battery-charger
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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. U15929EJ1V0DS00 (1st edition)
Date Published April 2002 N CP(K)
Printed in Japan
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©
2002
1 page  
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µPD78F9116B, 78F9116B(A)
et4U.com
Series for ASSP
Function ROM
Timer
8-Bit 10-Bit
Subseries Name
Capacity 8-Bit 16-Bit Watch WDT A/D A/D
(Bytes)
Serial Interface
I/O VDD
MIN.Value
USB
µPD789803 8 K to 16 K 2 ch −
− 1 ch −
− 2 ch (USB: 1 ch) 41 3.6 V
µPD789800 8 K
31 4.0 V
Inverter µPD789842 8 K to 16 K 3 ch Note 1 1 ch 1 ch 8 ch − 1 ch (UART: 1 ch) 30 4.0 V
control
On-chip
bus
controller
µPD789850
16 K
1 ch 1 ch − 1 ch 4 ch − 2 ch (UART: 1 ch) 18 4.0 V
Remarks
−
−
−
Keyless µPD789861
entry
4K
2 ch −
− 1 ch −
−
− 14 1.8 V RC-oscillation
version,
on-chip
EEPROM
µPD789860
On-chip
EEPROM
µPD789862 16 K
1 ch 2 ch
1 ch (UART: 1 ch) 22
VFD
drive
Meter
control
µPD789871
µPD789881
4 K to 8 K 3 ch − 1 ch 1 ch
16 K
2 ch 1 ch − 1 ch
−
−
− 1 ch
33 2.7 V
− 1 ch (UART: 1 ch) 28 2.7 VNote2
−
−
Notes 1. 10-bit timer: 1 channel
2. Flash memory version: 3.0 V
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DataShee
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Data Sheet U15929EJ1VDS
5
5 Page 
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µPD78F9116B, 78F9116B(A)
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4. PIN FUNCTIONS
4.1 Port Pins
Pin Name
P00 to P03
P10, P11
P20
P21
P22
P23
P24
P25
P50 to P53
P60 to P63
I/O
Function
After Reset Alternate Function
I/O Port 0
4-bit I/O port
Input/output can be specified in 1-bit units
When used as an input port, connection of an on-chip pull-up
resistor can be specified by software.
Input
–
I/O Port 1
2-bit I/O port
Input/output can be specified in 1-bit units
When used as an input port, an connection of on-chip pull-up
resistor can be specified by software.
Input
–
I/O Port 2
6-bit I/O port
Input/output can be specified in 1-bit units
When used as an input port, an connection of on-chip pull-up
resistor can be specified by software.
Input
SCK20/ASCK20
SO20/TxD20
SI20/RxD20
INTP0/CPT20
/SS20
INTP1/TO80/TO20
I/O Port 5
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4-bit N-ch open-drain input/output port Input/output can be specified
in 1-bit units.
Input
INTP2/TI80
–
Input Port 6
4-bit input-only port
Input
ANI0 to ANI3
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Data Sheet U15929EJ1VDS
11
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