SN8F2280 Series
USB 2.0 Full-Speed 8-Bit Micro-Controller
10.6 UART DATA BUFFER
URTXD1 initial value = 00000000
0ACH
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
URTXD1 UTXD17 UTXD16 UTXD15 UTXD14 UTXD13 UTXD12 UTXD11 UTXD10
Read/Write
After Reset
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
Bit[7:0]
URTXD1: UART transmitted data buffer byte 1.
URTXD2 initial value = 00000000
0ADH Bit 7 Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
URTXD2 UTXD27 UTXD26 UTXD25 UTXD24 UTXD23 UTXD22 UTXD21 UTXD20
Read/Write
After Reset
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
Bit[7:0]
URTXD2: UART transmitted data buffer byte 2.
URRXD1 initial value = 00000000
0AEH
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
URRXD1
Read/Write
After Reset
R
0
R
0
R
0
R
0
R
0
R
0
R
0
R
0
Bit[7:0]
URRXD1: UART received data buffer byte 1.
URRXD2 initial value = 00000000
0AFH
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
URRXD2
Read/Write
After Reset
R
0
R
0
R
0
R
0
R
0
R
0
R
0
R
0
Bit[7:0]
URRXD2: UART received data buffer byte 2.
UART Data Mode
URTXD2
0x00
High-byte data
URTXD1
1-byte data
Low-byte data
URRXD2
0x00
High-byte data
URRXD1
1-byte data
Low-byte data
1-byte
2-byte
SONiX TECHNOLOGY CO., LTD
Page 121
Version 1.1
SONIX [ SONIX TECHNOLOGY COMPANY ]
