aduc7033bstz-8l-rl Analog Devices, Inc., aduc7033bstz-8l-rl Datasheet - Page 114
aduc7033bstz-8l-rl
Manufacturer Part Number
aduc7033bstz-8l-rl
Description
Integrated Precision Battery Sensor For Automotive
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADUC7033BSTZ-8L-RL.pdf
(136 pages)
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ADuC7033
SPI Status Register
Name:
Address:
Default
Value:
Access:
Function:
Table 90. SPISTA MMR Bit Designations
Bit
7 to 6
5
4
3
2
1
0
Description
Reserved.
SPIRX Data Register Overflow Status Bit.
SPIRX Data Register IRQ.
SPIRX Data Register Full Status Bit.
SPITX Data Register Underflow Status Bit.
SPITX Data Register IRQ.
SPITX Data Register Empty Status Bit.
SPISTA
0xFFFF0A00
0x00
Read only
serial peripheral interface.
The 8-bit MMR represents the current status of the
Set if SPIRX is overflowing.
Cleared by reading the SPIRX register.
Set automatically if Bit 3 or Bit 5 is set.
Cleared by reading the SPIRX register.
Set automatically if valid data is present in the
SPIRX register.
Cleared by reading the SPIRX register.
Set automatically if SPITX is underflowing.
Cleared by writing in the SPITX register.
Set automatically if Bit 0 is clear or Bit 2 is set.
Cleared by either writing in the SPITX register or, if
finished transmission, by disabling the SPI.
Set by writing to SPITX to send data. This bit is set
during transmission of data.
Cleared when SPITX is empty.
Rev. 0 | Page 114 of 136
SPI Receive Register
Name:
Address:
Default
Value:
Access:
Function:
SPI Transmit Register
Name:
Address:
Access:
Function:
SPI Divider Register
Name:
Address:
Default
Value:
Access:
Function:
SPIRX
0xFFFF0A04
0x00
Read only
This 8-bit MMR contains the data received using
the serial peripheral interface.
SPITX
0xFFFF0A08
Write only
Write to this 8-bit MMR to transmit data using the
serial peripheral interface.
SPIDIV
0xFFFF0A0C
0x1B
Read/write
The 8-bit MMR represents the frequency at which
the serial peripheral interface is operating. For
more information on the calculation of the baud
rate, refer to Equation 3.
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