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CHAPTER 3 CPU
Table 3.2-1 Reset Values of Dedicated Registers
Dedicated Registers
Accumulator (A)
User stack pointer (USP)
System stack pointer (SSP)
Processor status (PS)
Program counter (PC)
Direct page register (DPR)
Program bank register (PCB)
Data bank register (DTB)
User stack bank register (USB)
System stack bank register (SSB)
Additional data bank register (ADB)
Note:
The above reset values are the reset values for the device. The reset values for the ICE (such
as emulator) are different from those of the device.
32
Reset Value
Undefined
Undefined
Undefined
bit15 bit13 bit12
RP
PS
ILM
0 0 0 0 0 0 0 0
Value of reset vector (data at FFFFDC
Value of reset vector (data at FFFFDE
bit8 bit7
bit0
CCR
0 1 x x x x x
and FFFFD
)
H
H
01
H
)
H
00
H
00
H
00
H
00
H
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