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 The μPD78F9177  is μPD789166 Subseries (small, general-purpose) in the 78K/0S Series.
The μPD78F9177 replaces the internal ROM of the μPD789166with 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: 6 channels
* I/O ports: 23
* Serial interface: 1 channel
* 3-wire serial I/O mode / UART mode: 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 = 4.5 to 5.5 V

APPLICATIONS
Air-conditioner, White goods, etc

ORDERING  INFORMATION
μPD78F9177CU

Part Number                        Package

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μPD78F9177CU           42-pin plastic SDIP(600 mil)