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78F9177 Datasheet PDF - NEC

Part Number 78F9177
Description UPD78F9177
Manufacturers NEC 
Logo NEC Logo 

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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD78F9177, 78F9177Y
8-BIT SINGLE-CHIP MICROCONTROLLER
The µPD78F9177 and µPD78F9177Y are µPD789177, 789177Y Subseries (small, general-purpose) in the 78K/0S
Series.
The µPD78F9177 replaces the internal ROM of the µPD789176 and µPD789177 with flash memory, while the
µPD78F9177Y replaces the ROM of the µPD789176Y and µPD789177Y with flash memory.
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 evolution 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.
µPD789167, 789177, 789167Y, 789177Y Subseries User’s Manual: U14186E
78K/0S Series User's Manual Instruction: U11047E
FEATURES
• Pin compatible with mask ROM version (except VPP pin)
• Flash memory: 24 Kbytes
• High-speed RAM: 512 bytes
• Minimum instruction execution time can be changed from high-speed (0.4 µs: @5.0-MHz operation with main
system clock) to ultra-low-speed (122 µs: @ 32.768-kHz operation with subsystem clock)
• 10-bit resolution A/D converter: 8 channels
• I/O ports: 31
• Serial interface: 2 channels
3-wire serial I/O mode / UART mode: 1 channel
SMB (µPD78F9177Y only): 1 channel
• Timers: 6 channels
16-bit timer: 1 channel
8-bit timer/event counter: 2 channels
8-bit timer: 1 channel
Watch timer: 1 channel
Watchdog timer: 1 channel
• On-chip 16-bit multiplier
• Power supply voltage: VDD = 1.8 to 5.5 V
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. U14022EJ1V0DS00 (1st edition)
Date Published August 2000 NS CP(K)
Printed in Japan
The mark shows major revised
©
2000
Free Datasheet http://www.datasheet4u.net/

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78F9177 equivalent
µPD78F9177, 78F9177Y
OVERVIEW OF FUNCTIONS
Item
Internal memory
Flash memory
High-speed RAM
Minimum instruction execution time
General-purpose registers
Instruction set
Multiplier
I/O ports
A/D converters
Serial interfaces
Timers
Timer output
Buzzer output
Vectored interrupt Maskable
sources
Non-maskable
Power supply voltage
Operating ambient temperature
Package
µPD78F9177
µPD78F9177Y
24 Kbytes
512 bytes
• 0.4/1.6 µs (@5.0-MHz operation with main system clock)
• 122 µs (@ 32.768-kHz operation with subsystem clock)
8 bits × 8 registers
• 16-bit operations
• Bit manipulations (set, reset, test)
8 bits × 8 bits = 16 bits
Total:
31
• CMOS input:
• CMOS I/O:
• N-ch open drain:
8
17
6
10-bit resolution × 8 channels
3-wire serial I/O/UART : 1 channel
• 16-bit timer:1 channel
• 8-bit timer/event counter:2 channels
• 8-bit timer:1 channel
• Watch timer:1 channel
• Watchdog timer:1 channel
3-wire serial I/O / UART: 1 channel
SMB: 1 channel
4 output
1
Internal: 10, External: 4 (µPD78F9177)
Internal: 12, External: 4 (µPD78F9177Y)
Internal: 1
VDD = 1.8 to 5.5 V
TA = 40°C to +85°C
44-pin plastic LQFP (10 × 10)
44-pin plastic LQFP (10 X10)
48-pin plastic TQFP (fine pitch) (7 x 7)
Data Sheet U14022EJ1V0DS00
5
Free Datasheet http://www.datasheet4u.net/


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78F9177 Microcontroller


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