W77LE532_07 Datasheet, PDF (29/88 Pages) Winbond – 8-BIT MICROCONTROLLER

W77LE532/W77L532A
RCAP2H is also used as the MSB of a 16-bit reload value when timer 2 is configured in
auto-reload mode.
TIMER 2 LSB
Bit:
7
TL2.7
TL2:
Mnemonic: TL2
Timer 2 LSB
6
TL2.6
5
TL2.5
4
TL2.4
3
2
1
TL2.3 TL2.2 TL2.1
Address: CCh
0
TL2.0
TIMER 2 MSB
Bit:
7
6
5
4
3
2
1
0
TH2.7 TH2.6 TH2.5 TH2.4 TH2.3 TH2.2 TH2.1 TH2.0
Mnemonic: TH2
TH2: Timer 2 MSB
Address: CDh
PROGRAM STATUS WORD
Bit:
7
6
5
4
3
2
1
0
CY
AC
F0
RS1 RS0
OV
F1
P
Mnemonic: PSW
Address: D0h
CY: Carry flag: Set for an arithmetic operation which results in a carry being generated from the
ALU. It is also used as the accumulator for the bit operations.
AC: Auxiliary carry: Set when the previous operation resulted in a carry from the high order nibble.
F0: User flag 0: General purpose flag that can be set or cleared by the user.
RS.1-0: Register bank select bits:
RS1 RS0
0
0
0
1
1
0
1
1
Register bank
0
1
2
3
Address
00-07h
08-0Fh
10-17h
18-1Fh
OV: Overflow flag: Set when a carry was generated from the seventh bit but not from the 8th bit as
a result of the previous operation, or vice-versa.
F1: User Flag 1: General purpose flag that can be set or cleared by the user by software.
P:
Parity flag: Set/cleared by hardware to indicate odd/even number of 1's in the accumulator.
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Publication Release Date: February 1, 2007
Revision A7