UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 104

• Manufacturer Part Number: UPD784026
• Description: 16/8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

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VVP (RG4):
UUP (RG5):
DE (RP6), HL (RP7):
TDE (RG6):
WHL (RG7):
• Has a pointer function, and operates as the register that specifies the base address in register indirect addressing,
• Has a user stack pointer function, and enables a stack separate from the system stack to be implemented by means
• Has a pointer function, and operates as the register that specifies the base address in register indirect addressing and
• Operate as the registers that store the offset value in indexed addressing and based indexed addressing.
• Has a pointer function, and operates as the register that specifies the base address in register indirect addressing and
• Used as the pointer in a string instruction and the SACW instruction.
• Register used mainly for 24-bit data transfers and operation processing.
• Has a pointer function, and operates as the register that specifies the base address in register indirect addressing and
• Used as the pointer in a string instruction and the SACW instruction.
based addressing and based indexed addressing.
of the PUSHU and POPU instructions.
based addressing.
based addressing.
based addressing.
CHAPTER 3 CPU ARCHITECTURE