UPD17244 Просмотр технического описания (PDF) - NEC => Renesas Technology

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производитель

UPD17244

4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS

NEC => Renesas Technology 

BLOCK DIAGRAM

P0A0

P0A1

P0A2

P0A3

P0A

P0B0

P0B1

P0B2

P0B3

P0B

P0C0

P0C1

P0C2

P0C3

P0C

P0D0

P0D1

P0D2

P0D3

P0D

P0E0

P0E1

P0E2

P0E3

P0E

P1A0

P1A1

P1A2

P1A

µPD17240, 17241, 17242, 17243, 17244, 17245, 17246

RF

RAM

447 × 4 bits

System registers

ALU

ROM

µPD17240: 2,048 × 16 bits

µPD17241: 4,096 × 16 bits

µPD17242: 6,144 × 16 bits

µPD17243: 8,192 × 16 bits

µPD17244: 10,240 × 16 bits

µPD17245: 12,288 × 16 bits

µPD17246: 16,384 × 16 bits

Instruction

decoder

Program counter

Stack (5 levels)

Basic interval/

watchdog timer

Remote

control

divider

REM

8-bit

timer

Interrupt

controller

Reset

controller

INT/P1B0

RESET

Power

supply

circuit

CPU clock

OSC

VDD

GND

XIN

XOUT

P1B0

P1B

6

Data Sheet U15002EJ1V0DS

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