21
User’s Manual U15104EJ2V0UD
CHAPTER 1 OUTLINE
1.1 Features
•
Internal ROM and RAM
Item
Program Memory
Data Memory
Part Number
Internal High-Speed RAM
µ
PD178053
ROM
24 KB
1024 bytes
µ
PD178054
32 KB
µ
PD178F054
Flash memory
32 KB
•
Instruction set suitable for system control
• Bit processing across entire address space
• Multiplication/division instructions
•
General-purpose I/O ports: 62 pins
•
Hardware for PLL frequency synthesizer
• Dual modulus prescaler (160 MHz MAX.)
• Programmable divider
• Phase comparator
• Charge pump
•
Frequency counter
•
8-bit resolution A/D converter: 6 channels
•
Serial interface: 3 channels
• 3-wire serial I/O mode: 2 channels
• 3-wire serial I/O mode (on-chip time-division transfer function): 1 channel
•
Timer: 6 channels
• Basic timer (timer carry FF): 1 channel
• 8-bit timer/event counter:
4 channels
• Watchdog timer:
1 channel
•
Buzzer output
•
Vectored interrupt
Item
Non-Maskable
Maskable Interrupt
Note
Software Interrupt
Part Number
Interrupt
Note
External
Internal
µ
PD178053, 178054, 178F054 1 source
5 sources
11 sources
1 source
Note
Either a non-maskable interrupt or maskable interrupt (internal) can be selected as the interrupt source
of the watchdog timer (INTWDT).
•
Test input:
1 pin
•
Instruction cycle:
0.45/0.89/1.78/3.56/7.11
µ
s (with 4.5 MHz crystal resonator)
•
Supply voltage:
V
DD
= 4.5 to 5.5 V (with CPU, PLL operating)
V
DD
= 3.5 to 5.5 V (with CPU operating)
•
Power-on clear circuit
Содержание mPD178053
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