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D78F9189CT

UPD78F9189CT, D78F9189CT / 8-Bit Single-chip Microcontroller

NEC => Renesas Technology 

CHAPTER 3 CPU ARCHITECTURE

3.2 Processor Registers

The µPD789188 and 78F9189 Subseries provide the following on-chip processor registers:

3.2.1 Control registers

The control registers have special functions to control the program sequence statuses and stack memory. The

control registers include a program counter, a program status word, and a stack pointer.

(1) Program counter (PC)

The program counter is a 16-bit register which holds the address information of the next program to be

executed.

User’s Manual 2nd edition

35

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