12
12-25
Rev.1.0
12.2.6 SIO Receive Buffer Registers
■
SIO0 Receive Buffer Register (S0RXB)
<Address: H'0080 0114>
■
SIO1 Receive Buffer Register (S1RXB)
<Address: H'0080 0124>
■
SIO2 Receive Buffer Register (S2RXB)
<Address: H'0080 0134>
■
SIO3 Receive Buffer Register (S3RXB)
<Address: H'0080 0144>
■
SIO4 Receive Buffer Register (S4RXB)
<Address: H'0080 0A14>
■
SIO5 Receive Buffer Register (S5RXB)
<Address: H'0080 0A24>
■
SIO6 Receive Buffer Register (S6RXB)
<Address: H'0080 0A34>
■
SIO7 Receive Buffer Register (S7RXB)
<Address: H'0080 0A44>
D0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
D15
RDATA
<When reset: indeterminate>
D
Bit Name
Function
R
W
0-6
No functions assigned
0
–
8-15
RDATA
Stores received data.
–
(Receive data)
The SIO Receive Buffer Registers are used to store the received data. When the SIO finishes
receiving data, the received data is transferred from the SIO Receive Shift Register to the SIO
Receive Buffer Register. The SIO Receive Buffer Registers are a read-only register.
For 7-bit data (UART mode only), the data are set in D9-D15, with D8 and D7 always set to 0. For
8-bit data, the data are set in D8-D15, with D7 always set to 0.
If after completion of reception, the SIO finishes receiving the next data before reading out the
content of the SIO Receive Buffer Register, an overrun error occurs and the subsequently received
data will not be stored in the Receive Buffer Register.
To restart reception normally, clear the Receive Control Register REN (receive enable) bit to 0.
Note: When receiving 7 or 8-bit data, the register can be accessed bytewise.
SERIAL I/O
12.2 Serial I/O Related Registers
Содержание 32172
Страница 20: ... This is a blank page 16 ...
Страница 21: ...1 1 Overview 1 2 Block Diagram 1 3 Pin Functions 1 4 Pin Layout CHAPTER 1 CHAPTER 1 OVERVIEW ...
Страница 44: ...1 1 24 Rev 1 0 This is a blank page Overview 1 4 Pin Layout ...
Страница 58: ...2 2 14 Rev 1 0 This is a blank page CPU 2 6 Data Formats ...
Страница 122: ...4 4 26 Rev 1 0 This is a blank page EIT 4 13 Precautions on EIT ...
Страница 200: ...7 7 6 Rev 1 0 This is a blank page RESET 7 4 Precautions to Be Taken Immediately after Reset ...
Страница 240: ...8 8 40 Rev 1 0 This is a blank page INPUT OUTPUT PORTS AND PIN FUNCTIONS 8 5 Precautions on Input Output Ports ...
Страница 298: ...9 9 58 Rev 1 0 This is a blank page DMAC 9 4 Precautions on Using DMAC ...
Страница 416: ...10 10 118 Rev 1 0 This is a blank page INPUT OUTPUT TIMERS 10 6 TOM Output Related 16 bit Timers ...
Страница 658: ...14 14 16 Rev 1 0 REAL TIME DEBUGGER RTD 14 4 Typical Connection with the Host This is a blank page ...
Страница 718: ...16 16 16 Rev 1 0 This is a blank page D A CONVERTERS 16 3 Functional Description of the D A Converters ...
Страница 766: ...18 18 22 Rev 1 0 WAIT CONTROLLER 18 3 Typical Operation of the Wait Controller This is a blank page ...
Страница 776: ...19 19 10 Rev 1 0 RAM BACKUP MODE 19 4 Exiting RAM Backup Mode Wakeup This is a blank page ...
Страница 777: ...CHAPTER 20 CHAPTER 20 OSCILLATION CIRCUIT 20 1 Oscillator Circuit 20 2 Clock Generator Circuit ...
Страница 782: ...20 20 6 Rev 1 0 OSCILLATION CIRCUIT 20 2 Clock Generator Circuit This is a blank page ...
Страница 856: ...23 23 26 Rev 1 0 This is a blank page ELECTRICAL CHARACTERISTICS 23 6 AC Characteristics ...
Страница 857: ...24 1 A D Conversion Characteristics CHAPTER 24 CHAPTER 24 STANDARD CHARACTERISTICS ...
Страница 859: ...Appendix 1 1 Dimensional Outline Drawing APPENDIX 1 APPENDIX 1 MECHANICAL SPECIFICATIONS ...
Страница 861: ...Appendix 2 1 M32R E Instruction Processing Time APPENDIX 2 APPENDIX 2 INSTRUCTION PROCESSING TIME ...
Страница 865: ...Appendix 3 1 Precautions about Noise APPENDIX 3 APPENDIX 3 PRECAUTIONS ABOUT NOISE ...