MEDIATEK Ralink MT7620 - Page 67

PGMT7620_V.1.0_040503
Page 67 of 523
MT7620 PROGRAMMING GUIDE
Integrated 802.11n MAC/BBP and 2.4 GHz RF/FEM Router-on-a-Chip
Bits
Type
Name
Description
Initial Value
6
RW
SETBRK
Set Break Condition
0: Normal functionality.
1: Force TXD pin to 0. Tx otherwise operates
normally.
0x0
5
RW
FORCEPAR
Force Parity Bit
0: Normal functionality.
1: If even parity is selected, the (transmitted
and checked) parity is forced to 0.
If odd parity is selected, the (transmitted and
checked) parity if forced to 1.
0x0
4
RW
EPS
Even Parity Select
0: Odd parity selected (checksum, including
parity is 1).
1: Even parity selected (checksum, including
parity is 0).
NOTE: This bit is ignored if the PEN bit is 0.
0x0
3
RW
PEN
Parity Enable
0: Parity is not transmitted or checked.
1: Parity is generated (transmit), and checked
(receive).
0x0
2
RW
STB
Stop Bit Select
0: 1 Stop Bit is transmitted and received.
1: 1.5 Stop Bits are transmitted and received if
WLS is 0;
2 Stop Bits are transmitted and received if
WLS is 1, 2, or 3.
0x0
1:0
RW
WLS
Word Length Select
Selects the character length.
0: Each character is 5 bits in length
1: Each character is 6 bits in length
2: Each character is 7 bits in length
3: Each character is 8 bits in length
0x0
52. MCR: Modem Control Register (offset: 0x0018)
Bits
Type
Name
Description
Initial Value
31:5
-
-
Reserved
0x0