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UPD178002 データシート(PDF) 3 Page - NEC

部品番号 UPD178002
部品情報  8-BIT SINGLE-CHIP MICROCONTROLLERS
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メーカー  NEC [NEC]
ホームページ  http://www.nec.com/
Logo NEC - NEC

UPD178002 データシート(HTML) 3 Page - NEC

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µPD178002, 178003
3
Data Sheet U12628EJ3V0DS00
OVERVIEW OF FUNCTIONS
Part Number
µPD178002
µPD178003
Item
Internal
ROM (ROM configuration)
16 Kbytes (mask ROM)
24 Kbytes (mask ROM)
memory
High-speed RAM
512 bytes
General-purpose registers
8 bits
× 32 registers (8 bits × 8 registers × 4 banks)
Minimum instruction execution time
0.44
µs/0.88 µs/1.78 µs/3.56 µs/7.11 µs/14.22 µs (with 4.5 MHz crystal
resonator used)
Instruction set
• 16-bit operation
• Multiply/divide (8 bits
× 8 bits, 16 bits ÷ 8 bits)
• Bit manipulation (set, reset, test, Boolean operation)
• BCD adjust, etc.
I/O port
Total:
62
CMOS input:
1
CMOS I/O:
54
N-ch open-drain I/O:
4
N-ch open-drain output:
3
A/D converter
8-bit resolution
× 3 channels
Serial interface
• 3-wire serial I/O mode: 1 channel
Timer
• Basic timer (timer carry FF (10 Hz)):
1 channel
• 8-bit timer/event counter:
2 channels
Buzzer (BEEP) output
1.5 kHz, 3 kHz, 6 kHz
Vectored
Maskable
Internal: 5, external: 2
interrupt
Software
1
sources
Test input
Internal: 1
PLL frequency
Division mode
Two types
synthesizer
• Direct division mode (VCOL pin)
• Pulse swallow mode (VCOH and VCOL pins)
Reference frequency
7 types selectable by program (1, 3, 5, 9, 10, 25, 50 kHz)
Charge pump
Error out output: 2
Phase comparator
Unlock detectable by program
Frequency counter
• Frequency measurement
• AMIFC pin: for 450 kHz count
• FMIFC pin: for 450 kHz/10.7 MHz count
Standby function
• HALT mode
• STOP mode
Reset
• Reset by RESET pin
• Reset by power-on clear circuit (3-value detection)
• Detection of less than 4.5 VNote (CPU clock: fX)
• Detection of less than 3.5 VNote (CPU clock: fX/2 or less and on power
application)
• Detection of less than 2.5 VNote (in STOP mode)
Supply voltage
• VDD = 4.5 to 5.5 V (with PLL operating)
• VDD = 3.5 to 5.5 V (with CPU operating, CPU clock: fX/2 or less)
• VDD = 4.5 to 5.5 V (with CPU operating, CPU clock: fX)
Package
• 80-pin plastic QFP (14
× 14 mm, 0.65 mm pitch)
One-time PROM
µPD178P018A
Note
These voltage values are maximum values. The reset is actually executed at a voltage lower than these
values.


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