UPD78F0034A NEC, UPD78F0034A Datasheet - Page 5

• Manufacturer Part Number: UPD78F0034A
• Description: 8 Bit Single Chip Microcontroller
• Manufacturer: NEC

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OVERVIEW OF FUNCTIONS
Note
Item
Internal
memory
Memory space
General-purpose registers
Minimum instruction execution time
Instruction set
I/O ports
A/D converter
Serial interface
Timers
Timer outputs
Clock output
Buzzer output
Vectored interrupt
sources
Test inputs
Supply voltage
Operating ambient temperature
Package
The capacities of the flash memory and the internal high-speed RAM can be changed with the memory size
switching register (IMS).
Flash memory
High-speed RAM
When main system
clock selected
When subsystem
clock selected
Maskable
Non-maskable
Software
Part Number
32 KB
1,024 bytes
64 KB
8 bits × 32 registers (8 bits × 8 registers × 4 banks)
On-chip minimum instruction execution time cycle variable function
0.24 µ s/0.48 µ s/0.95 µ s/1.91 µ s/3.81 µ s (@ 8.38 MHz operation)
122 µ s (@ 32.768 kHz operation)
• 16-bit operation
• Multiply/divide (8 bits × 8 bits, 16 bits ÷ 8 bits)
• Bit manipulation (set, reset, test, Boolean operation)
• BCD adjust, etc.
Total:
• CMOS input:
• CMOS I/O:
• N-ch open-drain I/O (5 V withstand voltage): 4
• 10-bit resolution × 8 channels
• Operable over a wide power supply voltage range: AV
• UART mode:
• 3-wire serial I/O mode: 2 channels
• 16-bit timer/event counter: 1 channel
• 8-bit timer/event counter:
• Watch timer:
• Watchdog timer:
3 (8-bit PWM output capable: 2)
• 65.5 kHz, 131 kHz, 262 kHz, 524 kHz, 1.05 MHz, 2.10 MHz, 4.19 MHz, 8.38 MHz
• 32.768 kHz (@ 32.768 kHz operation with subsystem clock)
1.02 kHz, 2.05 kHz, 4.10 kHz, 8.19 kHz (@ 8.38 MHz operation with main system clock)
Internal: 13, external: 5
Internal: 1
1
Internal: 1, external: 1
V
T
• 64-pin plastic SDIP (19.05 mm (750))
• 64-pin plastic LQFP (10 × 10)
• 64-pin plastic LQFP (14 × 14)
• 64-pin plastic QFP (14 × 14)
• 64-pin plastic TQFP (12 × 12)
(@ 8.38 MHz operation with main system clock)
A
DD
= –40 to +85°C
= 1.8 to 5.5 V
Note
Data Sheet U14040EJ4V0DS
Note
µ PD78F0034A
1 channel
2 channels
1 channel
1 channel
µ PD78F0034A, 78F0034AY
• UART mode:
• 3-wire serial I/O mode:
• I
(multimaster supporting): 1 channel
51
39
2
8
C bus mode
DD
µ PD78F0034AY
= 1.8 to 5.5 V
1 channel
1 channel
5