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UPD784031Y Datasheet(PDF) 3 Page - NEC

No. de Pieza. UPD784031Y
Descripción  16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
Descarga  88 Pages
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Fabricante  NEC [NEC]
Página de inicio  http://www.nec.com/
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UPD784031Y Datasheet(HTML) 3 Page - NEC

 
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µPD784031Y
FUNCTIONS
Item
Function
Number of basic instructions
113
(mnemonics)
General-purpose register
8 bits x 16 registers x 8 banks, or 16 bits x 8 registers x 8 banks (memory mapping)
Minimum instruction execution
125 ns/250 ns/500 ns/1000 ns (at 32 MHz)
time
Internal memory
ROM
None
RAM
2048 bytes
Memory space
1 Mbytes with program and data spaces combined
I/O port
Total
46
Input
8
I/O
34
Output
4
Pins with pull-
32
up resistor
LEDs direct
8
drive output
Transistor
8
direct drive
Real-time output port
4 bits x 2, or 8 bits x 1
Timer/counter
Timer/counter 0:
Timer register x 1
Pulse output
Capture register x 1
• Toggle output
Compare register x 2
• PWM/PPG output
(16 bits)
• One-shot pulse output
Timer/counter 1:
Timer register x 1
Pulse output
Capture register x 1
• Real-time output (4 bits x 2)
(8/16 bits)
Capture/compare register x 1
Compare register x 1
Timer/counter 2:
Timer register x 1
Pulse output
Capture register x 1
• Toggle output
(8/16 bits)
Capture/compare register x 1
• PWM/PPG output
Compare register x 1
Timer 3:
Timer register x 1
(8/16 bits)
Compare register x 1
PWM output
12-bit resolution x 2 channels
Serial interface
UART/IOE (3-wire serial I/O)
: 2 channels (on-chip baud rate generator)
CSI (3-wire serial I/O, 2-wire serial I/O, I2C bus) : 1 channel
A/D converter
8-bit resolution x 8 channels
D/A converter
8-bit resolution x 2 channels
Watchdog timer
1 channel
Standby
HALT/STOP/IDLE mode
Interrupt
Hardware source
24 (internal: 17, external: 7 (variable sampling clock input: 1))
Software source
BRK instruction, BRKCS instruction, operand error
Non-maskable
Internal: 1, external: 1
Maskable
Internal: 16, external: 6
• 4 programmable priority levels
• 3 processing styles: vectored interrupt/macro service/context switching
Supply voltage
VDD = 2.7 to 5.5 V
Package
80-pin plastic QFP (14 x 14 mm, thickness 2.7 mm)
80-pin plastic QFP (14 x 14 mm, thickness 1.4 mm)
80-pin plastic TQFP (fine pitch) (12 x 12 mm)
Note The pins with ancillary function are included in the I/O pins.
Pins with
ancillary
functionNote


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