PD78F0066_15 Datasheet, PDF (6/30 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCONTROLLER

µPD78F0066
OVERVIEW OF FUNCTION
Internal
memory
Item
Flash memory
High-speed RAM
48 Kbytes^Note
1024 bytes
Function
Expansion RAM 4096 bytes
Buffer RAM
32 bytes
Memory space
64 Kbytes
General-purpose registers
8 bits × 32 registers (8 bits × 8 registers × 4 banks)
Minimum instruction execution time On-chip minimum instruction execution time modification function
When main system 0.24 µs/0.48 µs/0.95 µs/1.91 µs/3.81 µs (at 8.38-MHz operation)
clock selected
When subsystem
clock selected
122 µs (at 32.768-kHz operation)
Instruction set
• 16-bit operation
• Multiplication/division (8 bits × 8 bits, 16 bits ÷ 8 bits)
• Bit manipulation (set, reset, test, Boolean operation)
• BCD correction, etc.
I/O ports
• CMOS I/O : 60
A/D converter
• 8-bit resolution × 8 channels
Serial interface
• 3-wire serial I/O mode
: 1 channel
• 3-wire serial I/O mode (MAX. 32-byte on-chip automatic transmission/
reception function)
: 1 channel
• 2-wire serial I/O mode
: 1 channel
• UART mode
: 1 channel
Timer
• 16-bit timer/event counter : 1 channel
• 8-bit timer/event counter : 2 channels
• Watch timer
: 1 channel
• Watchdog timer
: 1 channel
Timer output
3 (8-bit PWM output capable: 2)
Clock output
131 kHz, 262 kHz, 524 kHz, 1.05 MHz, 2.10 MHz, 8.38 MHz (main system clock:
at 8.38-MHz operation)
32.768 kHz (subsystem clock: at 32.768-kHz operation)
Vectored interrupt Maskable
Internal : 13, External : 4
source
Non-maskable Internal : 1
Software
1
Power supply voltage
VDD = 2.7 to 5.5 V
Operating ambient temperature
TA = –40 to +85°C
Package
80-pin plastic QFP (14 × 14 mm)
Note The flash memory capacity can be changed with the memory size switching register (IMS).
4
Preliminary Product Information