z86e54 ZiLOG Semiconductor, z86e54 Datasheet - Page 52
z86e54
Manufacturer Part Number
z86e54
Description
Z8 512 Byte Otp Mcu
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z86E54.pdf
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PS020102-1003
Table 29. General-Purpose Register, R254 GPR FEh Bank 0h: READ/WRITE
Bit
Position
7
6
5
4
3
2
1
0
Note: *Not affected by RESET
Bit
R/W
Reset
Note: R = Read, W = Write
Bit
Position
7-4
3-0
Bit
R/W
Reset
Note: R = Read, W = Write
Table 28. Register Pointer, R253 RP FDh Bank 0h: READ/WRITE
Carry
Zero
Sign
Overflow
Decimal Adjust
Half Carry
User
User
R/W
R/W
7
0
7
0
Working
Register
Pointer
Reserved
Bit Field
Bit Field
R/W
R/W
6
0
6
0
R/W
R/W
R/W
R/W
R/W
5
0
5
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
4
0
4
0
Reset
Value
0
0
Reset
R/W
R/W
Value
3
0
3
0
X
X
X
X
X
X
X
X
Description
Working Register Pointer
Must be 0
R/W
R/W
Description
Carry Flag
Zero Flag
Sign Flag
Overflow Flag
Decimal Adjust Flag
Half Carry Flag
User Flag F2
User Flag F1
2
0
2
0
R/W
R/W
1
0
1
0
Z8
®
R/W
R/W
512 Byte OTP MCU
0
0
0
0
Z86E54
46
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