
ML62Q1000 Series User's Manual
Chapter 11 Serial Communication Unit
FEUL62Q1000
11-16
11.2.2 Serial Communication Unit n Transmit/Receive Buffer (SDnBUF)
SDnBUF is a specific function register (SFR) to store transmission/ reception data of the serial communication unit.
Address:
0xF600(SD0BUFL/SD0BUF), 0xF601(SD0BUFH), 0xF620(SD1BUFL/SD1BUF),
0xF621(SD1BUFH), 0xF640(SD2BUFL/SD2BUF), 0xF641(SD2BUFH),
0xF660(SD3BUFL/SD3BUF), 0xF661(SD3BUFH), 0xF680(SD4BUFL/SD4BUF),
0xF681(SD4BUFH), 0xF6A0(SD5BUFL/SD5BUF), 0xF6A1(SD5BUFH)
Access:
R/W
Access size:
8/16 bits
Initial value:
0x0000
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Word
SDnBUF
Byte
SDnBUFH
SDnBUFL
Bit
SnB1
5
SnB1
4
SnB1
3
SnB1
2
SnB1
1
SnB1
0
SnB9 SnB8 SnB7 SnB6 SnB5 SnB4 SnB3 SnB2 SnB1 SnB0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial
value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit no.
Bit symbol
name
Description
15 to 8
SnB15 to
SnB8
SSIO communication mode
8-bit mode
Unused
16-bit mode
Transmit/Receive data buffer for the upper side 8bit. If writing data
into this register, the data is stored into the transmission register
(SUnTR). If reading data, the data in the reception data (SUnRC) is
read out.
UART communication mode
Full-duplex mode
Transmit data bugger for UARTn. Set the transmission data.
Half-duplex mode
Transmit/Receive data buffer for UARTn1. Write transmission data
in the transmission mode. Received data is stored in the reception
mode.
7 to 0
SnB7 to
SnB0
SSIO communication mode
8-bit mode
Transmit/Receive data buffer. If writing data into this register, the
data is stored into the transmission register (SUnTR). If reading
data, the data in the reception data (SUnRC) is read out.
16-bit mode
Transmit/Receive data buffer for the lower side 8bit. If writing data
into this register, the data is stored into the transmission register
(SUnTR). If reading data, the data in the reception data (SUnRC) is
read out.
UART communication mode
Full-duplex mode
Receive data buffer for UARTn. Received data is stored.
Half-duplex mode
Transmit/Receive data buffer for UARTn0. Write transmission data
in the transmission mode. Received data is stored in the reception
mode.
Содержание ML62Q1000 Series
Страница 17: ...Chapter 1 Overview...
Страница 112: ...Chapter 2 CPU and Memory Space...
Страница 154: ...Chapter 3 Reset Function...
Страница 166: ...Chapter 4 Power Management...
Страница 196: ...Chapter 5 Interrupts...
Страница 248: ...Chapter 6 Clock generation Circuit...
Страница 274: ...Chapter 7 Low Speed Time Base Counter...
Страница 291: ...Chapter 8 16 Bit Timer...
Страница 320: ...Chapter 9 Functional Timer FTM...
Страница 382: ...Chapter 10 Watchdog Timer...
Страница 402: ...Chapter 11 Serial Communication Unit...
Страница 456: ...Chapter 12 I2 C Bus Unit...
Страница 491: ...Chapter 13 I2 C Master...
Страница 512: ...Chapter 14 DMA Controller...
Страница 531: ...Chapter 15 Buzzer...
Страница 550: ...Chapter 16 Simplified RTC...
Страница 559: ...Chapter 17 GPIO...
Страница 594: ...Chapter 18 External Interrupt Function...
Страница 612: ...Chapter 19 CRC Generator...
Страница 632: ...Chapter 20 Analog Comparator...
Страница 644: ...Chapter 21 D A Converter...
Страница 655: ...Chapter 22 Voltage Level Supervisor...
Страница 676: ...Chapter 23 Successive Approximation Type A D Converter...
Страница 709: ...Chapter 24 Regulator...
Страница 714: ...Chapter 25 Flash Memory...
Страница 743: ...Chapter 26 Code Option...
Страница 750: ...Chapter 27 LCD Driver...
Страница 788: ...Chapter 28 On Chip Debug Function...
Страница 795: ...Chapter 29 Safety Function...
Страница 813: ...Appendix A...
Страница 881: ...Revision History...