27
CHAPTER 1 OUTLINE
User’s Manual U15104EJ2V0UD
1.7 Functional Outline
Item
µ
PD178053
µ
PD178054
µ
PD178F054
Internal
ROM
24 KB
32 KB
32 KB
(Mask ROM)
(Mask ROM)
(Flash memory)
High-speed RAM
1024 bytes
General-purpose registers
8 bits
×
32 registers (8 bits
×
8 registers
×
4 banks)
Minimum instruction execution time
0.45
µ
s/0.89
µ
s/1.78
µ
s/3.56
µ
s/7.11
µ
s (with crystal resonator of f
X
= 4.5 MHz)
Instruction set
• 16-bit operation
• Multiplication/division (8 bits
×
8 bits, 16 bits
÷
8 bits)
• Bit manipulation (set, reset, test, Boolean operation)
• BCD adjustment, etc.
I/O ports
Total:
62 pins
• CMOS I/O:
53 pins
• CMOS input:
6 pins
• N-ch open-drain output:
3 pins
A/D converter
8-bit resolution
×
6 channels
Serial interface
• 3-wire serial I/O mode: 2 channels
• 3-wire serial I/O mode (on-chip time-division transfer): 1 channel
Timer
• Basic timer (timer carry FF (10 Hz)) : 1 channel
• 8-bit timer/event counter:
4 channels
• Watchdog timer:
1 channel
Buzzer output
BEEP pin: 1 kHz, 1.5 kHz, 3 kHz, 4 kHz
BUZ pin:
549 Hz, 1.10 kHz, 2.20 kHz, 4.39 kHz
Vectored
Maskable
Internal : 11
interrupt
External: 5
sources
Non-maskable
Internal: 1
Software
1
PLL
Division mode
2 types
frequency
• Direct division mode (VCOL pin)
synthesizer
• Pulse swallow mode (VCOL and VCOH pins)
Reference frequency
Seven types selectable in software (1, 3, 9, 10, 12.5, 25, 50 kHz)
Charge pump
Error out output: 2 pins
Phase comparator
Unlock detectable with program
Frequency counter
Frequency measurement
• AMIFC pin: For 450 kHz counting
• FMIFC pin: For 450 kHz/10.7 MHz counting
Reset
• Reset by RESET pin
• Internal reset by watchdog timer
• Reset by power-on clear circuit
• Detection of less than 4.5 V
Note
(reset does not occur, however)
• Detection of less than 3.5 V
Note
(during CPU operation)
• Detection of less than 2.2 V
Note
(in STOP mode)
Supply voltage
• V
DD
= 4.5 to 5.5 V (during CPU, PLL operation)
• V
DD
= 3.5 to 5.5 V (during CPU operation)
Package
80-pin plastic QFP (14
×
14)
Note
For details, refer to CHAPTER 16 RESET FUNCTION.
Содержание mPD178053
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