\n
address_offset : 0x0 Bytes (0x0)
size : 0x30 byte (0x0)
mem_usage : registers
protection : not protected
address_offset : 0x3C Bytes (0x0)
size : 0x8 byte (0x0)
mem_usage : registers
protection : not protected
I2C Control Register
address_offset : 0x0 Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
AA : Assert Acknowledge Control Bit\n
bits : 2 - 2 (1 bit)
access : read-write
SI : I2C Interrupt Flag\nWhen a new I2C state is present in the I2C_STATUS register, the SI flag is set by hardware, and if bit INTEN (I2C_CTL[7]) is set, the I2C interrupt is requested. SI must be cleared by software. This bit can be cleared by software writing '1'.
bits : 3 - 3 (1 bit)
access : read-write
STO : I2C STOP Control Bit
In Master mode, setting STO to transmit a STOP condition to bus then I2C hardware will check the bus condition if a STOP condition is detected this bit will be cleared by hardware automatically. In Slave mode, setting STO resets I2C hardware to the defined not addressed Slave mode. This means it is NO LONGER in the Slave receiver mode to receive data from the master transmit device.
bits : 4 - 4 (1 bit)
access : read-write
STA : I2C START Control Bit\nSet STA to logic 1 to enter Master mode. I2C hardware sends a START or repeats the START condition to bus when the bus is free.
bits : 5 - 5 (1 bit)
access : read-write
I2CEN : I2C Controller Enable Bit\n
bits : 6 - 6 (1 bit)
access : read-write
Enumeration:
#0 : 0
I2C Controller Disabled
#1 : 1
I2C Controller Enabled
End of enumeration elements list.
INTEN : Interrupt Enable Bit\n
bits : 7 - 7 (1 bit)
access : read-write
Enumeration:
#0 : 0
I2C interrupt Disabled
#1 : 1
I2C interrupt Enabled
End of enumeration elements list.
I2C Clock Divided Register
address_offset : 0x10 Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
DIVIDER : I2C Clock Divided Register\nNote: The minimum value of I2C_CLKDIV is 4.
bits : 0 - 7 (8 bit)
access : read-write
I2C Time-out Control Register
address_offset : 0x14 Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
TOIF : Time-out Flag\nThis bit is set by hardware when I2C time-out happened and it can interrupt CPU if I2C interrupt enable bit (INTEN) is set to 1.\nNote: This bit can be cleared by software writing '1'.
bits : 0 - 0 (1 bit)
access : read-write
TOCURIEN : Time-out Counter Input Clock Divided By 4
Note: When enabled, the time-out period is extended 4 times.
bits : 1 - 1 (1 bit)
access : read-write
Enumeration:
#0 : 0
Time-out counter input clock divided by 4 Disabled
#1 : 1
Time-out counter input clock divided by 4 Enabled
End of enumeration elements list.
TOCEN : Time-out Counter Enable Bit\nNote: When the 14-bit time-out counter is enabled, it will start counting when SI is cleared. Setting 1 to the SI flag will reset counter and re-start up counting after SI is cleared.
bits : 2 - 2 (1 bit)
access : read-write
Enumeration:
#0 : 0
Time-out counter Disabled
#1 : 1
Time-out counter Enabled
End of enumeration elements list.
I2C Slave Address Register 1
address_offset : 0x18 Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
I2C Slave Address Register 2
address_offset : 0x1C Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
I2C Slave Address Register 3
address_offset : 0x20 Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
I2C Slave Address Mask Register 0
address_offset : 0x24 Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
ADDRMSK : I2C Address Mask Bits\n
bits : 1 - 7 (7 bit)
access : read-write
Enumeration:
0 : 0
I2C address mask Disabled (the received corresponding register bit should be exactly the same as address register)
1 : 1
I2C address mask Enabled (the received corresponding address bit is Don't care )
End of enumeration elements list.
I2C Slave Address Mask Register 1
address_offset : 0x28 Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
I2C Slave Address Mask Register 2
address_offset : 0x2C Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
I2C Slave Address Mask Register 3
address_offset : 0x30 Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
I2C Control Register 1
address_offset : 0x3C Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
WKEN : Wake-up Enable Bit\nThe system can be woken up by I2C bus when the system is set into Power mode and the received data matched one of the addresses in Address Register.\nNote: Only I2C0 channel supports wake-up function. This bit is not valid on I2C1 channel.
bits : 0 - 0 (1 bit)
access : read-write
Enumeration:
#0 : 0
I2C wake-up function Disabled
#1 : 1
I2C wake-up function Enabled
End of enumeration elements list.
TWOLVFIFO : Two-level Buffer Enable Bit\n
bits : 1 - 1 (1 bit)
access : read-write
Enumeration:
#0 : 0
Two-level buffer Disabled
#1 : 1
Two-level buffer Enabled
End of enumeration elements list.
NSTRETCH : No Stretch On The I2C Bus\n
bits : 2 - 2 (1 bit)
access : read-write
Enumeration:
#0 : 0
The I2C SCL bus is stretched by hardware if the SI is not cleared in master mode
#1 : 1
The I2C SCL bus is not stretched by hardware if the SI is not cleared in master mode
End of enumeration elements list.
OVIEN : I2C Overrun Interrupt Control\nSetting OVIEN to 1 will send a interrupt to system when the TWOLVFF bit is enabled and there is overrun event in received buffer.\n
bits : 3 - 3 (1 bit)
access : read-write
Enumeration:
#0 : 0
Overrun Interrupt Disabled
#1 : 1
Overrun Interrupt Enabled
End of enumeration elements list.
URIEN : I2C Under Run Interrupt Control\nSetting URIEN to 1 will send a interrupt to system when the TWOLVFF bit is enabled and there is under run event happened in transmitted buffer.\n
bits : 4 - 4 (1 bit)
access : read-write
Enumeration:
#0 : 0
Under run Interrupt Disabled
#1 : 1
Under run Interrupt Enabled
End of enumeration elements list.
I2C Slave Address Register 0
address_offset : 0x4 Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
GC : General Call Function Control\n
bits : 0 - 0 (1 bit)
access : read-write
Enumeration:
#0 : 0
General Call Function Disabled
#1 : 1
General Call Function Enabled
End of enumeration elements list.
ADDR : I2C Address\nThe content of this register is irrelevant when I2C is in Master mode. In Slave mode, the seven most significant bits must be loaded with the MCU's own address. The I2C hardware will react if either of the address is matched.
bits : 1 - 7 (7 bit)
access : read-write
I2C Status Register 1
address_offset : 0x40 Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
WKIF : I2C Wake-up Interrupt Flag
When chip is woken up from Power-down mode by I2C, this bit is set to 1. This bit can be cleared by software writing 1 .
Note: Only I2C0 channel supports wake-up function. This bit is not valid on I2C1 channel.
bits : 0 - 0 (1 bit)
access : read-write
FULL : I2C Two-level Buffer Full\n
bits : 1 - 1 (1 bit)
access : read-write
EMPTY : I2C Two-level Buffer Empty\n
bits : 2 - 2 (1 bit)
access : read-write
OVIF : I2C Overrun Status\n
bits : 3 - 3 (1 bit)
access : read-write
URIF : I2C Under Run Status\n
bits : 4 - 4 (1 bit)
access : read-write
I2C DATA Register
address_offset : 0x8 Bytes (0x0)
access : read-write
reset_value : 0x0
reset_Mask : 0x0
DAT : I2C Data Register\nBit [7:0] is located with the 8-bit transferred data of the I2C serial port.
bits : 0 - 7 (8 bit)
access : read-write
I2C Status Register
address_offset : 0xC Bytes (0x0)
size : -1 bit
access : read-only
reset_value : 0x0
reset_Mask : 0x0
STATUS : I2C Status Register\n
bits : 0 - 7 (8 bit)
access : read-only
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