w83977eg Winbond Electronics Corp America, w83977eg Datasheet - Page 48

• Manufacturer Part Number: w83977eg
• Description: Winbond Isa I/o W83977ef W83977eg
• Manufacturer: Winbond Electronics Corp America

Bit 4: EPE. This bit describes the number of logic 1's in the data word bits and parity bit only when bit
Bit 3: PBE. When this bit is set, the position between the last data bit and the stop bit of the SOUT will
Bit 2: MSBE. This bit defines the number of stop bits in each serial character that is transmitted or
Bits 0 and 1: DLS0, DLS1. These two bits define the number of data bits that are sent or checked in
3 is programmed. When this bit is set, an even number of logic 1's are sent or checked. When
the bit is reset, an odd number of logic 1's are sent or checked.
be stuffed with the parity bit at the transmitter. For the receiver, the parity bit in the same
position as the transmitter will be detected.
received.
(1) If MSBE is set to a logical 0, one stop bit is sent and checked.
(2) If MSBE is set to a logical 1, and data length is 5 bits, one and a half stop bits are sent and
(3) If MSBE is set to a logical 1, and data length is 6, 7, or 8 bits, two stop bits are sent and
checked.
checked.
DLS1
0
0
1
1
each serial character.
TABLE 6-2 WORD LENGTH DEFINITION
DLS0
0
1
0
1
W83977EF-AW/W83977EG-AW
-46-
DATA LENGTH
5 bits
6 bits
7 bits
8 bits