µPD75064, 75066, 75068, 75064(A), 75066(A), 75068(A)
FUNCTION OVERVIEW
Item
Function
Instruction execution time • Main system clock : 0.95 µs, 1.91 µs, 15.3 µs (at 4.19 MHz)
• Subsystem clock : 122 µs (at 32.768 kHz)
Internal memory ROM
• µPD75064: 4096 × 8 bits
• µPD75066 : 6016 × 8 bits
• µPD75068 : 8064 × 8 bits
RAM 512 × 4 bits
General register
• When operating in 4 bits: 8
• When operating in 8 bits: 4
I/O port
32 12 CMOS input
Of these, seven with software-specifiable on-chip
pull-up resistors
12 CMOS I/O
Software-specifiable on-chip pull-up resistors
Four pins can directly drive LEDs.
8 N-ch open-drain I/O
Breakdown voltage: 10 V
Mask-option-specifiable on-chip pull-up resistors
Can directly drive LEDs.
Timer
Serial interface
3 chs.
• Timer/event counter
• Basic interval timer : Applicable to watchdog timer
• Watch timer : Capable of buzzer output
• 3-wire serial I/O mode
• 2-wire serial I/O mode
• SBI mode
Bit sequencial buffer
16 bits
Clock output function
Φ , fx/23, fx/24, fx/26 (Main system clock: at 4.19 MHz operation)
A/D converter
Vectored interrupt
• 8-bit resolution x 8 channels
• Low-power operation possible : VDD = 2.7 to 6.0 V
External : 3 , Internal : 3
Test input
External : 1, Internal : 1
System clock oscillator
Standby function
• Ceramic/crystal oscillator for main system clock
• Crystal oscillator for subsystem clock
STOP / HALT mode
Operating ambient
temperature
–40 to +85 °C
Operating supply
voltage
2.7 to 6.0 V
Package
• 42-pin plastic shrink DIP (600 mil)
• 44-pin plastic QFP (10 x 10 mm)
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