Epson S1C6200A Dokumentacja Strona 162

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II-10 EPSON S1C62740 TECHNICAL SOFTWARE
CHAPTER 5: INITIAL RESET
INITIAL RESETCHAPTER 5
5.1 Initialized Status
The CPU core and peripheral circuits are initialized by initial
resetting as follows:
Table 5.1.1
Initialized status
CPU Core
8
4
4
8
10
10
4
4
4
1
1
1
1
Program counter step
Program counter page
New page pointer
Stack pointer
Index register IX
Index register IY
Rejister pointer
General-purpose register A
General-purpose register B
Interrupt flag
Decimal flag
Zero flag
Carry flag
00H
1H
1H
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
0
0
Undefined
Undefined
Name
Number of bits
Setting value
Peripheral circuits
4
4
RAM
Display memory
Other peripheral circuit
Undefined
Undefined
*1
Name Number of bits
Setting value
PCS
PCP
NPP
SP
IX
IY
RP
A
B
I
D
Z
C
Symbol
*2
*1 See Tables 4.2.1(a)(d)
*2 Bits corresponding to COM0 is set to 1.
Note: Undefined values must be defined by the program.
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