ADUC7121 Analog Devices, ADUC7121 Datasheet - Page 72

• Manufacturer Part Number: ADUC7121
• Description: Precision Analog Microcontroller, 12-Bit Analog I/O, ARM7TDMI MCU
• Manufacturer: Analog Devices

Specifications of ADUC7121

• Mcu Core: ARM7 TDMI
• Mcu Speed (mips): 40
• Sram (bytes): 8192Bytes
• Gpio Pins: 32
• Adc # Channels: 9

ADuC7121
I
I
These 16-bit MMRs contain the status of the Rx/Tx FIFOs in
both master and slave modes.
Name:
Address:
Default value:
Access:
Name:
Address:
Default value:
Access:
2
2
C FIFO Status Registers
C COMMON REGISTERS
I2C0FSTA
0xFFFF08CC
0x0000
Read and write
I2C1FSTA
0xFFFF094C
0x0000
Read and write
Rev. 0 | Page 72 of 96
Table 96. I2CxFSTA MMR Bit Designations
Bit
15:10
9
8
7:6
5:4
3:2
1:0
Name
I2CFMTX
I2CFSTX
I2CMRXSTA
I2CMTXSTA
I2CSRXSTA
I2CSTXSTA
Description
Reserved bits.
Set this bit to 1 to flush the master Tx FIFO.
Set this bit to 1 to flush the slave Tx FIFO.
I
[00] = FIFO empty.
[01] = byte written to FIFO.
[10] = one byte in FIFO.
[11] = FIFO full.
I
[00] = FIFO empty.
[01] = byte written to FIFO.
[10] = one byte in FIFO.
[11] = FIFO full.
I
[00] = FIFO empty.
[01] = byte written to FIFO.
[10] = one byte in FIFO.
[11] = FIFO full.
I
[00] = FIFO empty.
[01] = byte written to FIFO.
[10] = one byte in FIFO.
[11] = FIFO full.
2
2
2
2
C master receive FIFO status bits.
C master transmit FIFO status bits.
C slave receive FIFO status bits.
C slave transmit FIFO status bits.