w83977ctf Winbond Electronics Corp America, w83977ctf Datasheet - Page 56

• Manufacturer Part Number: w83977ctf
• Description: Winbond I/o
• 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
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
TABLE 3-2 WORD LENGTH DEFINITION
DLS1
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.
will 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
0
0
1
1
checked.
checked.
each serial character.
DLS0
0
1
0
1
DATA LENGTH
5 bits
6 bits
7 bits
8 bits
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Publication Release Date: March 1999
W83977EF/ CTF
PRELIMINARY
Revision A1