T89C5115_08 ATMEL [ATMEL Corporation], T89C5115_08 Datasheet - Page 27
T89C5115_08
Manufacturer Part Number
T89C5115_08
Description
Low Pin Count 8-bit Microcontroller with A/D Converter and 16 KBytes Flash Memory
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.T89C5115_08.pdf
(113 pages)
- Current page: 27 of 113
- Download datasheet (2Mb)
Registers
4128G–8051–02/08
Table 17. PSW Register
PSW (S:D0h)
Program Status Word Register
Reset Value = 0000 0000b
Number
4 - 3
CY
Bit
7
7
6
5
2
1
0
Mnemonic Description
RS1:0
AC
Bit
CY
AC
OV
F0
F1
6
P
Carry Flag
Carry out from bit 1 of ALU operands.
Auxiliary Carry Flag
Carry out from bit 1 of addition operands.
User Definable Flag 0
Register Bank Select bits
Refer to Table 16 for bits description.
Overflow Flag
Overflow set by arithmetic operations.
User Definable Flag 1
Parity bit
Set when ACC contains an odd number of 1’s.
Cleared when ACC contains an even number of 1’s.
F0
5
RS1
4
RS0
3
OV
2
F1
1
P
0
27
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