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Serial Interface
13-9
Serial 0 reception buffer
Register symbol: SC0RXB
Address:
x'34000809
Purpose:
This register reads in the reception data of serial interface 0.
Bit No.
7
6
5
4
3
2
1
0
Bit
SC0
SC0
SC0
SC0
SC0
SC0
SC0
SC0
name
RXB7 RXB6 RXB5 RXB4 RXB3 RXB2 RXB1 RXB0
Reset
0
0
0
0
0
0
0
0
Access
R
R
R
R
R
R
R
R
Reception data is gotten by reading this buffer at the end of reception.
In the case of a 7-bit transfer, the MSB (bit 7) is "0".
Serial 0 status register
Register symbol: SC0STR
Address:
x'3400080C
Purpose:
This register indicates the status of serial interface 0.
Bit No.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit
-
-
-
-
-
-
SC0
SC0
SC0
SC0
SC0
SC0
-
SC0
SC0
SC0
name
SPF
STF
TXF
RXF
TBF
RBF
FEF
PEF
OEF
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Access
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Bit No.
Bit name
Description
0
SC0OEF
Overrun error indication
0: No error
1: Overrun error occurred
1
SC0PEF
Parity error indication
0: No error
1: Parity error occurred
2
SC0FEF
Framing error indication
0: No error
1: Framing error occurred
3
—
"0" is returned when this bit is read.
4
SC0RBF
Reception buffer status indication
0: Reception buffer empty
1: Data exists in the reception buffer
5
SC0TBF
Transmission buffer status indication
0: Transmission buffer empty
1: Data exists in the transmission buffer
6
SC0RXF
Reception status indication
0: Waiting for reception
1: Reception in progress
7
SC0TXF
Transmission status indication
0: Ready for transmission
1: Transmission in progress
8
SC0STF
I2C start sequence detection
(Cleared by reading SC0RXB or by writing SC0TXB)
0: Not detected
1: Detected
9
SC0SPF
I2C stop sequence detection
(Cleared by reading SC0RXB or by writing SC0TXB)
0: Not detected
1: Detected
15 to 10
—
"0" is returned when these bits are read.
Содержание MN103001G/F01K
Страница 1: ...MICROCOMPUTER MN1030 MN103001G F01K LSI User s Manual Pub No 23101 050E ...
Страница 2: ......
Страница 4: ......
Страница 6: ......
Страница 7: ...14 A D Converter 15 I O Ports 16 Internal Flash Memory 17 Ordering Mask ROM Appendix 14 15 16 17 ...
Страница 8: ......
Страница 9: ...Table of Contents List of Figures and Tables 0 ...
Страница 26: ...xviii ...
Страница 27: ...1 0 1 General Specifications ...
Страница 35: ...2 CPU 2 ...
Страница 57: ...3 Extension Instruction Specifications 3 ...
Страница 96: ...Extension Instruction Specifications 3 40 ...
Страница 97: ...4 Memory Modes 3 4 ...
Страница 102: ...Memory Modes 4 6 ...
Страница 103: ...5 Operating Mode 5 ...
Страница 107: ...6 Clock Generator 6 13 ...
Страница 111: ...7 Internal Memory 7 ...
Страница 114: ...Internal Memory 7 4 ...
Страница 115: ...8 Bus Controller BC 8 ...
Страница 189: ...9 Interrupt Controller 9 ...
Страница 220: ...Interrupt Controller 9 32 ...
Страница 221: ...10 8 bit Timers 9 10 ...
Страница 254: ...8 bit Timers 10 34 ...
Страница 255: ...11 16 bit Timers 11 ...
Страница 292: ...16 bit Timers 11 38 ...
Страница 293: ...12 Watchdog Timer 11 12 ...
Страница 302: ...Watchdog Timer 12 10 ...
Страница 303: ...13 Serial Interface 13 ...
Страница 354: ...Serial Interface 13 52 ...
Страница 355: ...14 A D Converter 14 ...
Страница 367: ...15 I O Ports 15 ...
Страница 431: ...16 Internal Flash Memory 16 ...
Страница 439: ...17 17 Ordering Mask ROM ...
Страница 442: ...Ordering Mask ROM 17 4 ...
Страница 443: ...Appendix ...