参数资料
型号: EVAL-ADUC7124QSPZ
厂商: Analog Devices Inc
文件页数: 80/108页
文件大小: 0K
描述: BOARD EVALUATION FOR ADUC7124
设计资源: EVAL-ADUC7124 Schematic
ADUC7124 Eval Brd Gerber Files
标准包装: 1
系列: MicroConverter® ADuC7xxx
类型: MCU
适用于相关产品: ADUC7124
所含物品:
Data Sheet
ADuC7124/ADuC7126
Rev. C | Page 73 of 108
I2C Master Receive Register
Name:
I2C0MRX, I2C1MRX
Address:
0xFFFF0808, 0xFFFF0908
Default Value:
0x00
Access:
Read only
Function:
This 8-bit MMR is the I2C master receive
register.
I2C Master Transmit Register
Name:
I2C0MTX, I2C1MTX
Address:
0xFFFF080C 0xFFFF090C
Default Value:
0x00, 0x00
Access:
Read/write
Function:
This 8-bit MMR is the I2C master transmit
register.
I2C Master Read Count Register
Name:
I2C0MCNT0, I2C1MCNT0
Address:
0xFFFF0810, 0xFFFF0910
Default Value:
0x0000, 0x0000
Access:
Read/write
Function:
This 16-bit MMR holds the required number
of bytes when the master begins a read
sequence from a slave device.
Table 104. I2CxMCNT0 MMR Bit Descriptions
Bit
Name
Description
[15:9]
Reserved.
8
I2CRECNT
Set this bit if more than 256 bytes are
required from the slave.
Clear this bit when reading 256 bytes or
less.
[7:0]
I2CRCNT
These eight bits hold the number of bytes
required during a slave read sequence,
minus 1. If only a single byte is required,
these bits should be set to 0.
I2C Master Current Read Count Register
Name:
I2C0MCNT1, I2C1MCNT1
Address:
0xFFFF0814, 0xFFFF0914
Default Value:
0x00, 0x00
Access:
Read only
Function:
This 8-bit MMR holds the number of bytes
received so far during a read sequence with a
slave device.
I2C Address 0 Register
Name:
I2C0ADR0, I2C1ADR0
Address:
0xFFFF0818, 0xFFFF0918
Default Value:
0x00
Access:
Read/write
Function:
This 8-bit MMR holds the 7-bit slave address +
the read/write bit when the master begins
communicating with a slave.
Table 105. I2CxADR0 MMR in 7-Bit Address Mode
Bit
Name
Description
[7:1]
I2CADR
These bits contain the 7-bit address of the
required slave device.
0
R/W
Bit 0 is the read/write bit.
When this bit = 1, a read sequence is
requested.
When this bit = 0, a write sequence is
requested.
Table 106. I2CxADR0 MMR in 10-Bit Address Mode
Bit
Name
Description
[7:3]
These bits must be set to [11110b] in 10-bit
address mode.
[2:1]
I2CMADR
These bits contain ADDR[9:8] in 10-bit
addressing mode.
0
R/W
Read/write bit.
When this bit = 1, a read sequence is
requested.
When this bit = 0, a write sequence is
requested.
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