UPD62A View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD62A

4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION

NEC => Renesas Technology 

9.2 Circuit Symbol Description

A:

ASR:

addr:

CY:

data4:

data8:

data10:

F:

PC:

Pn:

P0n:

P1n:

ROMn:

Rn:

R0n:

R1n:

SP:

T:

T0:

T1:

(×):

Accumulator

Address Stack Register

Program memory address

Carry flag

4-bit immediate data

8-bit immediate data

10-bit immediate data

Status flag

Program Counter

Port register pair (n = 0, 1, 3, 4)

Port register (low-order 4 bits)

Port register (high-order 4 bits)

Bit n of the program memory’s (n = 0 to 9)

Register pair

Data memory (General-purpose register; n = 0 to F)

Data memory (General-purpose register; n = 0 to F)

Stack Pointer

Timer register

Timer register (low-order 4 bits)

Timer register (high-order 4 bits)

Content addressed with ×

µPD62A

Data Sheet U14474EJ1V0DS00

31

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