UPD78F9418A NEC, UPD78F9418A Datasheet - Page 23

• Manufacturer Part Number: UPD78F9418A
• Description: (UPD7894xxA) 8-Bit Single Chip Microcontrollers
• Manufacturer: NEC

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1.1 Features
• ROM and RAM capacities
• Minimum instruction execution time can be changed from high speed (0.4 µ s: @ 5.0 MHz operation with main
• 43 I/O ports
• Serial interface channel: Switchable between 3-wire serial I/O and UART modes
• LCD controller/driver:
• Seven A/D converters with an 8-bit resolution (for µ PD789407A Subseries only)
• Seven A/D converters with a 10-bit resolution (for µ PD789417A Subseries only)
• Six timers:
• 17 vectored interrupt sources
• Power supply voltage: V
• Operating ambient temperature: T
1.2 Applications
system clock) to ultra low speed (122 µ s: @ 32.768 kHz operation with subsystem clock)
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APS compact cameras, manometers, rice cookers, etc.
Up to 28 segment signal outputs
Up to 4 common signal outputs
Bias switchable between 1/2 and 1/3
16-bit timer
Two 8-bit timer/event counters
8-bit timer
Watch timer
Watchdog timer
Part Number
µ PD789405A, 789415A
µ PD789406A, 789416A
µ PD789407A, 789417A
µ PD78F9418A
Item
DD
= 1.8 to 5.5 V
ROM
Flash memory
A
= –40 to +85°C
Program Memory
CHAPTER 1 GENERAL
User’s Manual U13952EJ3V0UD
12 KB
16 KB
24 KB
32 KB
512 bytes
Internal High-Speed
RAM
Data Memory
28 × 4 bits
LCD Data RAM
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