IBM uPD78082 - Manual (Page 24)

1
CHAPTER 1 OUTLINE
CHAPTER 1 OUTLINE
1.1 Features
On-chip ROM and RAM
Note The capacities of internal PROM and internal high-speed RAM can be changed by means of the memory
size switching register (IMS).
Instruction execution time changeable from high speed (0.4
µ
s: In main system clock 5.0 MHz operation) to low
speed (12.8
µ
s: In main system clock 5.0 MHz operation)
Instruction set suited to system control
• Bit manipulation possible in all address spaces
• Multiply and divide instructions
33 I/O ports
8-bit resolution A/D converter: 8 channels
Serial interface: 1 channel
• 3-wire serial I/O/UART mode: 1 channel
Timer: 3 channels
• 8-bit timer/event counter : 2 channels
• Watchdog timer : 1 channel
Vectored Interrupt Source : 13
Supply voltage: V
DD
= 1.8 to 5.5 V
Program Memory
(ROM)
Part Number
Type
µ
PD78081
µ
PD78082
µ
PD78P083
8 Kbytes
16 Kbytes
24 Kbytes (Note)
(Internal High-Speed RAM)
Data Memory
256 bytes
384 bytes
512 bytes (Note)