SN8P2977
8-Bit Micro-Controller with Regulator, PGIA, 24-bit ADC
SONiX TECHNOLOGY CO., LTD
Page 91
Version 1.7
Note: URXBZ and UTXBZ bits are UART operating indicators. After setting UART RX/TX operations, set a
“NOP” instruction is necessary, and then check UART status through URXBZ and UTXBZ bits.
9.8 UART TRANSMITTER CONTROL REGISTER
0E5H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
UTXD
UTXD7
UTXD6
UTXD5
UTXD4
UTXD3
UTXD2
UTXD1
UTXD0
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
After Reset
0
0
0
0
0
0
0
0
Bit [7:0]
UTXD:
UART transmitted data buffer.
0E6H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
URXD
URXD7
URXD6
URXD5
URXD4
URXD3
URXD2
URXD1
URXD0
Read
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
After Reset
0
0
0
0
0
0
0
0
Bit [7:0]
URXD:
UART received data buffer.
