UPD78F9418A NEC, UPD78F9418A Datasheet - Page 31

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

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1.7 Overview of Functions
Vectored interrupt
sources
Item
Internal memory
Minimum instruction execution time
General-purpose registers
Instruction set
I/O ports
A/D converters
Comparator
Serial interface
LCD controller/driver
Timers
Timer output
Power supply voltage
Operating ambient temperature
Package
ROM
High-speed RAM
LCD data RAM
Maskable
Non-maskable
Part Number
Mask ROM
12 KB
512 bytes
28 × 4 bits
• 0.4/1.6 µ s (@ 5.0 MHz operation with main system clock)
• 122 µ s (@ 32.768 kHz operation with subsystem clock)
8 bits × 8 registers
• 16-bit operations
• Bit manipulation (set, reset, and test)
Total of 43 port pins
• 7 CMOS input pins
• 32 CMOS I/O pins
• 4 N-ch open-drain pins (12 V withstanding voltage)
• Seven channels with 8-bit resolution (for µ PD789407A Subseries)
• Seven channels with 10-bit resolution (for µ PD789417A Subseries)
With timer output control function
Switchable between 3-wire serial I/O and UART modes
• Up to 28 segment signal outputs
• Up to 4 common signal outputs
• Bias switchable between 1/2 and 1/3
• 16-bit timer:
• 8-bit timer:
• 8-bit timer/event counters:
• Watch timer:
• Watchdog timer:
2 outputs
Internal: 11, external: 5
Internal: 1
V
T
• 80-pin plastic QFP (14 x 14)
• 80-pin plastic TQFP (fine pitch) (12 x 12)
A
DD
µ PD789405A
µ PD789415A
= −40 to +85°C
User’s Manual U13952EJ3V0UD
= 1.8 to 5.5 V
CHAPTER 1 GENERAL
16 KB
µ PD789406A
µ PD789416A
1 channel
1 channel
2 channels
1 channel
1 channel
24 KB
µ PD789407A
µ PD789417A
Flash memory
32 KB
µ PD78F9418A
31