PD178046_15 Datasheet, PDF (6/42 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCONTROLLER

µPD178046, 178048
FUNCTION OUTLINE
(1/2)
Item
Part Number
Internal ROM
memory _{Character ROM (CROM)}
High-speed RAM
Expansion RAM
Video RAM (VRAM)
General-purpose register
Minimum instruction execution time
Instruction set
I/O ports
A/D converter
Serial interface
Timer
µPD178046
µPD178048
48K bytes
60K bytes
6912 bytes (256 characters)
512 bytes
512 bytes
432 bytes (12 × 24 characters MAX.)
8 bits × 32 registers (8 bits × 8 bits × 4 banks)
0.4 µs/0.8 µs/1.6 µs/3.2 µs/6.4 µs (with 5.0-MHz crystal resonator)
• 16-bit operation
• Multiplication/division (8 bits × 8 bits, 16 bits ÷ 8 bits)
• Bit manipulation (set, reset, test, Boolean operation)
• BCD adjustment, etc.
Total
: 46 pins
• CMOS input
: 4 pins
• CMOS I/O
: 37 pins
• N-ch open-drain output : 5 pins
8-bit resolution × 4 channels
• I²C bus mode^Note
: 2 channels (shift register: 1 channel)
• 3-wire serial I/O mode : 1 channel
• Basic timer (timer carry (10 Hz)) : 1 channel
• 8-bit timer/event counter
: 1 channel
• 8-bit timer
: 1 channel
• 8-bit event counter
: 1 channel
• 8-bit remote control timer
: 1 channel
• Watchdog timer
: 1 channel
Note If the I²C bus mode is used (including when it is implemented in software without using the peripheral hardware),
inform NEC when you order a mask.
4
Preliminary Product Information