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UPD17717 Datasheet(PDF) 2 Page - NEC

No. de Pieza. UPD17717
Descripción  4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DEDICATED HARDWARE FOR DIGITAL TUNING SYSTEM
Descarga  408 Pages
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Fabricante  NEC [NEC]
Página de inicio  http://www.nec.com/
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UPD17717 Datasheet(HTML) 2 Page - NEC

 
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µPD17717, 17718, 17719
2
FUNCTIONAL OUTLINE
Part Number
µPD17717
µPD17718
µPD17719
Item
Program memory (ROM)
24K bytes (12288
× 16 bits)
32K bytes (16384
× 16 bits)
General-purpose data memory (RAM)
1120
× 4 bits
1776
× 4 bits
Instruction execution time
1.78
µs (with fX = 4.5-MHz crystal oscillator)
General-purpose port
• I/O port
: 46 pins
• Input port : 12 pins
• Output port: 4 pins
Stack level
• Address stack : 15 levels
• Interrupt stack: 4 levels
• DBF stack
: 4 levels (can be manipulated via software)
Interrupt
• External: 6 sources (falling edge of CE pin, INT0 through INT4)
• Internal : 6 sources (timers 0 through 3, serial interfaces 2 and 3)
Timer
5 channels
• Basic timer (clock: 10, 20, 50, 100 Hz)
: 1 channel
• 8-bit timer with gate counter (clock: 1 k, 2 k, 10 k, 100 kHz) : 1 channel
• 8-bit timer (clock: 1 k, 2 k, 10 k, 100 kHz)
: 2 channels
• 8-bit timer multiplexed with PWM (clock: 440 Hz, 4.4 kHz)
: 1 channel
A/D converter
8 bits
× 6 channels (hardware mode and software mode selectable)
D/A converter (PWM)
3 channels (8-bit or 9-bit resolution selectable by software)
Output frequency: 4.4 kHz, 440 Hz (with 8-bit PWM selected)
2.2 kHz, 220 Hz (with 9-bit PWM selected)
Serial interface
2 units (4 channels)
• 3-wire serial I/O mode, SBI mode, or 2-wire serial I/O/I2CNote bus mode
selectable
• 3-wire serial I/O/UART mode selectable
PLL frequency
Division mode
• Direct division mode (VCOL pin (MF mode) : 0.5 to 3 MHz)
synthesizer
• Pulse swallow mode (VCOL pin (HF mode)
: 10 to 40 MHz)
(VCOH pin (VHF mode): 60 to 130 MHz)
Reference frequency
13 types selectable (1, 1.25, 2.5, 3, 5, 6.25, 9, 10, 12.5, 18, 20, 25, 50 kHz)
Charge pump
Two error-out output pins (EO0, EO1)
Phase comparator
Unlock status detectable by program
Frequency counter
• Intermediate frequency (IF) measurement
P1C0/FMIFC pin : in FMIF mode 10 to 11 MHz
in AMIF mode 0.4 to 0.5 MHz
P1C1/AMIFC pin: in AMIF mode 0.4 to 0.5 MHz
• External gate width measurement
P2A1/FCG1, P2A0/FCG0 pin
BEEP output
2 pins
Output frequency: 1 kHz, 3 kHz, 4 kHz, 6.7 kHz (BEEP0 pin)
67 Hz, 200 Hz, 3 kHz, 4 kHz (BEEP1 pin)
Note When the I2C bus mode is used (including when it is implemented in software without using the
peripheral hardware), inform NEC when you place an order for mask ROM.


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