W90N740CD WINBOND [Winbond], W90N740CD Datasheet - Page 148

• Manufacturer Part Number: W90N740CD
• Description: 32-Bit ARM7TDMI-Based Micro-Controller
• Manufacturer: WINBOND [Winbond]

WLS [1:0]: Word Length Select
Modem Control Register (MCR)
LBME [4]: Loop-back Mode Enable
0 = Disable
1 = When the loop-back mode is enabled, the following signals are connected internally:
OUT2#[3]: Complement version of OUT2# (user-designated output) signal
OUT1#[2]: Complement version of OUT1# (user-designated output) signal
RTS#[1]: Complement version of RTS# (Request-To-Send) signal
DTR#[0]: Complement version of DTR# (Data-Terminal-Ready) signal
Writing 0x00 to MCR, the DTR#, RTS#, nOUT1# and OUT2# bit are set to logic 1’s;
Writing 0x0f to MCR, the DTR#, RTS#, nOUT1# and OUT2# bit are reset to logic 0’s.
REGISTER
MCR
SOUT connected to SIN and SOUT pin fixed at logic 1
DTR# connected to DSR# and DTR# pin fixed at logic 1
RTS# connected to CTS# and RTS# pin fixed at logic 1
OUT1# connected to RI# and OUT1# pin fixed at logic 1
OUT2# connected to DCD# and OUT2# pin fixed logic 1
7
WLS[1:0]
RESERVED
0xFFF8.0010
ADDRESS
00
01
10
11
6
R/W
R/W
5
Modem Control Register
LBME
4
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W90N740CD/W90N740CDG
DESCRIPTION
OUT2#
3
Character length
Publication Release Date: September. 19, 2005
5 bits
6 bits
7 bits
8 bits
OUT1#
2
RTS#
1
RESET VALUE
0x0000.0000
Revision A7
DTR#
0