UPD750104 View Datasheet(PDF) - NEC => Renesas Technology
Part Name
Description
Manufacturer
UPD750104 Datasheet PDF : 80 Pages
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µPD750104, 750106, 750108, 750104(A), 750106(A), 750108(A)
FUNCTIONS
Item
Function
Command execution
time
• 4, 8, 16, or 64 µs (when the main system clock operates at 1.0 MHz)
• 2, 4, 8, or 32 µs (when the main system clock operates at 2.0 MHz)
• 122 µs (when the subsystem clock operates at 32.768 kHz)
Internal memory ROM 4,096 × 8 bits (µPD750104)
6,144 × 8 bits (µPD750106)
8,192 × 8 bits (µPD750108)
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, 125, 62.5, or 15.6 kHz (when the main system clock operates at 1.0 MHz)
• Φ, 250, 125, or 31.3 kHz (when the main system clock operates at 2.0 MHz)
Buzzer output (BUZ)
• 2, 4, or 32 kHz (when the subsystem clock operates at 32.768 kHz)
• 0.488, 0.977, or 7.813 kHz (when the main system clock operates at 1.0 MHz)
• 0.977, 1.953, or 15.625 kHz (when the main system clock operates at 2.0 MHz)
Vectored interrupt
External : 3
Internal : 4
Test input
External : 1
Internal : 1
System clock oscillator
• RC oscillator for main system clock (with external resistor and capacitor)
• Crystal oscillator for subsystem clock
Standby
Operating ambient
temperature range
STOP/HALT mode
TA = -40 to +85 °C
Supply voltage
VDD = 1.8 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
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