Power Application Controller
®
-17-
Copyright 2020 © Qorvo, Inc.
Rev 1.2
– Jan 17, 2019
4.6
Read Register Example
To read the contents of the
HPDAC
register, issue the following transactions to USART A:
▪
Write
SSPADAT
with the value 56h (2Bh << 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.