W83877ATG Nuvoton Technology Corporation of America, W83877ATG Datasheet - Page 59

• Manufacturer Part Number: W83877ATG
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83877ATG

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Bit 3 ~0
6.3.2.4. Set0.Reg3 - UART Control Register/Set Select Register (UCR/SSR):
These two registers share the same address. In any Set, Set Select Register (SSR) can be
programmed to desired Set, but UART Control Register can be programmed only in Set 0 and Set 1,
that is, in other Sets programming this register will have no effect. The mapping of entry Set and
programming value is shown as follows.
UART Control Register: Defined legacy UART.
6.3.2.5. Set0.Reg4 - Handshake Control Register (HCR)
Advanced
Reset Value
Legacy
MODE
7
0
1
1
1
1
1
1
1
UART
UART
6
×
1
1
1
1
1
1
TXFTL1, 0
Any value but not used in SET 2~7
(Bit 5, 4)
AD_MD2 AD_MD1 AD_MD0 SIR_PLS
Same Legacy UART mode
00
01
10
11
5
1
1
1
1
1
1
×
B7
0
0
4
×
0
0
0
1
1
1
B6
0
0
3
×
0
0
1
1
0
0
SSR BITS
2
×
0
1
0
1
0
1
TX FIFO Threshold Level
( FIFO Size: 16-byte)
B5
0
0
1
0
0
0
0
0
0
×
13
0
0
0
0
0
0
0
×
XLOOP
1
3
9
- 52 -
B4
0
Hex Value
W83877ATF/W83877ATG
0xEC
0xE0
0xE4
0xE8
0xF0
0xF4
EN_IRQ
TX_WT
－
－
B3
0
EN_DMA
LP_RI
TX FIFO Threshold Level
B2
0
( FIFO Size: 32-byte)
SELECTED
Set 0
Set 2
Set 3
Set 4
Set 5
Set 6
Set 7
17
25
RTS
RTS
Set1
1
7
Set
B1
0
DTR
DTR
B0
0