
ML62Q1000 Series User's Manual
Chapter 12
I2C Bus Unit
FEUL62Q1000
12-6
12.2.3 I
2
C Bus 0 Receive Register (Master) (I2UM0RD)
I2UM0RD is a read-only special function register (SFR) used to store the received data in the master mode.
The I2UM0RD is updated after completion of each reception.
Address:
0xF6C2 (I2UM0RD)
Access:
R
Access size:
8bit
Initial value:
0x00
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Word
-
Byte
-
I2UM0RD
Bit
-
-
-
-
-
-
-
-
I2UM0
R7
I2UM0
R6
I2UM0
R5
I2UM0
R4
I2UM0
R3
I2UM0
R2
I2UM0
R1
I2UM0
R0
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Initial
value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit no.
Bit symbol
name
Description
7 to 0
I2UM0R7 to
I2UM0R0
These bits are used to store the received data in the master mode.
The signal input to the I2CU0_SDA pin is received at transmission of a slave address and at
data transmission/reception in sync with the rising edge of the signal on the I2CU0_SCL pin.
Reading this register enables following confirmation.
・
Reading when receiving data: Can confirm the received data.
・
Reading slave address or Reading when transmitting data: Can confirm the transmission
data is surely transmitted.
Summary of Contents for ML62Q1000 Series
Page 17: ...Chapter 1 Overview...
Page 112: ...Chapter 2 CPU and Memory Space...
Page 154: ...Chapter 3 Reset Function...
Page 166: ...Chapter 4 Power Management...
Page 196: ...Chapter 5 Interrupts...
Page 248: ...Chapter 6 Clock generation Circuit...
Page 274: ...Chapter 7 Low Speed Time Base Counter...
Page 291: ...Chapter 8 16 Bit Timer...
Page 320: ...Chapter 9 Functional Timer FTM...
Page 382: ...Chapter 10 Watchdog Timer...
Page 402: ...Chapter 11 Serial Communication Unit...
Page 456: ...Chapter 12 I2 C Bus Unit...
Page 491: ...Chapter 13 I2 C Master...
Page 512: ...Chapter 14 DMA Controller...
Page 531: ...Chapter 15 Buzzer...
Page 550: ...Chapter 16 Simplified RTC...
Page 559: ...Chapter 17 GPIO...
Page 594: ...Chapter 18 External Interrupt Function...
Page 612: ...Chapter 19 CRC Generator...
Page 632: ...Chapter 20 Analog Comparator...
Page 644: ...Chapter 21 D A Converter...
Page 655: ...Chapter 22 Voltage Level Supervisor...
Page 676: ...Chapter 23 Successive Approximation Type A D Converter...
Page 709: ...Chapter 24 Regulator...
Page 714: ...Chapter 25 Flash Memory...
Page 743: ...Chapter 26 Code Option...
Page 750: ...Chapter 27 LCD Driver...
Page 788: ...Chapter 28 On Chip Debug Function...
Page 795: ...Chapter 29 Safety Function...
Page 813: ...Appendix A...
Page 881: ...Revision History...