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 

µPD62A

2.9.2 Carry flag (CY)

The carry flag is set (to 1) in the following cases:

• If the ANL instruction or the XRL instruction is executed when bit 3 of the accumulator is “1” and bit 3 of the

operand is “1”.

• If the RL instruction or the RLZ instruction is executed when bit 3 of the accumulator is “1”.

• If the INC instruction or the SCAF instruction is executed when the value of the accumulator is 0FH.

The carry flag is cleared (to 0) in the following cases:

• If the ANL instruction or the XRL instruction is executed when at least either bit 3 of the accumulator or bit

3 of the operand is “0”.

• If the RL instruction or the RLZ instruction is executed when bit 3 of the accumulator is “0”.

• If the INC instruction or the SCAF instruction is executed when the value of the accumulator is other than 0FH.

• If the ORL instruction is executed.

• When data is written to the accumulator by the MOV instruction or the IN instruction.

Data Sheet U14474EJ1V0DS00

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