CMS32L051 User Manual |Chapter 12 Universal Serial Communication Unit
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12.6.2 Slave receiving
Slave reception refers to the operation of this product to receive data from other devices in the state
of transmitting clocks from other devices.
Slave Select Input function
Limited to end-of-transfer interrupts (disable setting buffer null interrupts).
Only the Overflow Error Detection Flag (OVFmn).
The length of the transmitted
data
It can be selected via the DAPmn bit of the SCRmn register.
It can be selected via the CKPmn bit of the SCRmn register.
CKPmn=0: Normal
CKPmn=1: Inverted
Slave Select Input function
You can select the operation of the Slave select input function.
Note 1. The maximum transfer rate is fMCK/6 [Hz] because the external serial clock input to the SCLK00 pin is sampled
internally and then used.
2. It must be used within the scope of the peripheral functional characteristics that meet this condition and meet the
electrical characteristics (refer to the data sheet).
Note 1. f
MCK
: The operating clock frequency of the object channel
2.m: Unit number (m=0) n: Channel number (n=0).
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