µPD750004, 750006, 750008, 750004(A), 750006(A), 750008(A)
FUNCTIONS
Item
Function
Command execution
time
• 0.95, 1.91, 3.81, 15.3 µs (when the main system clock operates at 4.19 MHz)
• 0.67, 1.33, 2.67, 10.7 µs (when the main system clock operates at 6.0 MHz)
• 122 µs (when the subsystem clock operates at 32.768 kHz)
Internal memory ROM 4096 × 8 bits (µPD750004)
6144 × 8 bits (µPD750006)
8192 × 8 bits (µPD750008)
RAM 512 × 4 bits
General-purpose
register
• When operating in 4 bits: 8 × 4 banks
• When operating in 8 bits: 4 × 4 banks
I/O port CMOS input 8 Can incorporate 7 pull-up resistors that are specified with the software.
CMOS I/O
18 Can directly drive the LED.
Can incorporate 18 pull-up resistors that are specified with the software.
N-ch open
drain I/O
8 Can directly drive the LED.
Can withstand 13 V.
Can incorporate pull-up resistors that are specified with the mask option.
Total
34
Timer
Serial interface
4 channels
• 8-bit timer/event counter: 1 channel
• 8-bit timer counter: 1 channel
• Basic interval timer/watchdog timer: 1 channel
• lock timer: 1 channel
• Three-wire serial I/O mode ... switchable between the start LSB and the start MSB
• Two-wire serial I/O mode
• SBI mode
Bit sequential buffer (BSB) 16 bits
Clock output (PCL)
• Φ, 524 kHz, 262 kHz, 65.5 kHz (when the main system clock operates at 4.19 MHz)
• Φ, 750 kHz, 375 kHz, 93.8 kHz (when the main system clock operates at 6.0 MHz)
Buzzer output (BUZ)
• 2 kHz, 4 kHz, 32 kHz (when the main system clock operates at 4.19 MHz or when the
subsystem clock operates at 32.768 kHz)
• 2.93 kHz, 5.86 kHz, 46.9 kHz (when the main system clock operates at 6.0 MHz)
Vectored interrupt
External : 3
Internal : 4
Test input
External : 1
Internal : 1
System clock oscillator
• Ceramic or crystal oscillator for main system clock
• Crystal oscillator for subsystem clock
Standby
Operating ambient
temperature range
STOP/HALT mode
TA = -40 to +85 °C
Supply voltage
VDD = 2.2 to 5.5 V
Package
42-pin plastic shrink DIP (600 mil, 1.778 mm pitch)
44-pin plastic QFP (10 × 10 mm, 0.8 mm pitch)
3