aduc7030 Analog Devices, Inc., aduc7030 Datasheet - Page 126
aduc7030
Manufacturer Part Number
aduc7030
Description
Integrated Precision Battery Sensor For Automotive
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADUC7030.pdf
(150 pages)
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ADuC7030/ADuC7033
SPI Status Register:
Name:
Address:
Default Value:
Access:
Function:
Table 84. SPISTA MMR Bit Descriptions
SPI Receive Register:
Name:
Address:
Default Value:
Access:
Function:
SPI Transmit Register:
Name:
Address:
Access:
Function:
Bit
7-6
5
4
3
2
1
0
Description
Reserved
SPIRX data register overflow status bit
Set if SPIRX is overflowing
Cleared by reading SPISRX register
SPIRX data register IRQ
Set automatically if bit 3 or 5 are set
Cleared by reading SPIRX register
SPIRX data register full status bit
Set automatically if a valid data is present in the SPIRX register
Cleared by reading SPIRX register
SPITX data register underflow status bit
Set automatically if SPITX is under flowing
Cleared by writing in the SPITX register
SPITX data register IRQ
Set automatically if bit 0 is clear or bit 2 is set
Cleared by writing in the SPITX register or if finished transmission disabling the SPI
SPITX data register empty status bit
Set by writing to SPITX to send data. This bit is set during transmission of data
Cleared when SPITX is empty
SPISTA
0xFFFF0A00
0x00
Read Only
The 8-bit MMR represents the current status of the Serial Peripheral Interface.
SPIRX
0xFFFF0A04
0x00
Read Only
This 8-bit MMR contains the data received via the Serial Peripheral Interface.
SPITX
0xFFFF0A08
Write Only
This 8-bit MMR is written to, to transmit data via the Serial Peripheral Interface.
Rev. PrE | Page 126 of 150
Preliminary Technical Data
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