PAC2514x Users Guide Preview
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Rev. 1.3 12 December 2023 © 2023 Qorvo US, Inc.
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4.6
Read Register Example
To read the contents of the
HPDACH
register, issue the following transactions to USART A:
▪
Write
SSPADAT
with the value 22h (11h << 1 | 0b for read transaction)
▪
Write
SSPADAT
with a dummy character
▪
Read last data from MISO from
SSPADAT
, this is the register value
The timing diagram from a read operation is shown below.
Figure 4-3 Analog Peripheral Register Read Timing
For more information on how to configure the DPM to support the USART A peripheral for
communicating with the Analog Registers, see the PAC55XX Family User Guide.
