ADUC7121BBCZ-RL Analog Devices Inc, ADUC7121BBCZ-RL Datasheet - Page 72

• Manufacturer Part Number: ADUC7121BBCZ-RL
• Description: PRECISION ANALOG MCU I.C
• Manufacturer: Analog Devices Inc
• Series: MicroConverter® ADuC7xxxr

Specifications of ADUC7121BBCZ-RL

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 41.78MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 126KB (63K x 16)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 9x12b, D/A 4x12b
• Oscillator Type: Internal
• Operating Temperature: -10°C ~ 95°C
• Package / Case: 108-LFBGA, CSPBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ADUC7121BBCZ-RL; ADUC7121BBCZ-RLTR

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.