UPD75212ACW データシートの表示（PDF） - NEC => Renesas Technology
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UPD75212ACW Datasheet PDF : 70 Pages
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µPD75212A
LIST OF FUNCTIONS
Item
Function
Instruction execution time
• 0.95, 1.91, 15.3 µs (Main system clock : 4.19 MHz operation)
• 122 µs (Subsystem clock : 32.768 kHz operation)
On-chip memory
ROM
12160 × 8 bits
RAM
512 × 4 bits
General register
• 4-bit manipulation : 8 × 4 banks
• 8-bit manipulation : 4 × 4 banks
Input/output port
FIP ® dual-function pin
included
FIP dedicated pin
excluded
33 8 CMOS input pin
20 CMOS input/output pins • Direct LED drive capability : 8
• On-chip pull-down resistor by mask option capability : 4
1 CMOS output pin
PWM/pulse output
4 P-ch open-drain,
high-voltage,
high-current output pin
• LED drive capability
• On-chip pull-down resistor by mask option capability
FIP controller/driver
• No. of segments : 9 to 16 segments
• No. of digits
: 9 to 16 digits
• Dimmer function : 8 levels
• On-chip pull-down resistor by mask option capability
• Key scan interrupt generation
Timer
4 channels
• Timer/pulse generator : 14-bit PWM output enabled
• Watch timer
: Buzzer output enabled
• Timer/event counter
• Basic interval timer : Watchdog timer application capability
Serial interface
• MSB start/LSB start switchable
• Serial bus configuration capability
Vectored interrupt
External : 3, Internal : 5
Test input
External : 1, Internal : 1
System clock oscillator
• Ceramic/crystal oscillator for main system clock oscillation : 4.194304 MHz standard
• Crystal oscillator for subsystem clock oscillation : 32.768 kHz standard
Standby function
STOP/HALT mode
Mask option
• Power-on reset, power-on flag
• High-voltage port : Pull-down resistor or open-drain output
• Port 6 : Pull-down resistor
Operating temperature range –40 to +85 °C
Operating voltage
2.7 to 6.0 V (standby data retention : 2.0 to 6.0 V)
Package
• 64-pin plastic shrink DIP (750 mil)
• 64-pin plastic QFP (14 × 20 mm)
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