BAT32G1x9 user manual | Chapter 19 Universal serial communication unit
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Rev.1.02
19.5.1
Master send
Master transmission refers to the operation of this product output transmission clock and sending data to
other devices.
3-wire
serial
I/O
SSPI00
SSPI01
SSPI10
SSPI11
SSPI20
SSPI21
SSPI30
SSPI31
Object
channels
Channel 0
of SCI0
Channel 1
of SCI0
Channel 2
of SCI0
Channel 3
of SCI0
Channel 0
of SCI1
Channel 1
of SCI1
Channel 0
of SCI2
Channel 1
of SCI2
The pins
used
SCLK00,
SDO00
SCLK01,
SDO01
SCLK10,
SDO10
SCLK11,
SDO11
SCLK20,
SDO20
SCLK21,
SDO21
SCLK30,
SDO30
SCLK31,
SDO31
interrupt
INTSSPI00
INTSSPI01
INTSSPI10
INTSSPI11
INTSSPI20 INTSSPI21 INTSSPI30
INTSSPI31
Selectable end-of-transmit interrupt (single-pass mode) or buffer-empty interrupt (continuous
transfer mode).
Error
detection
flags
not
The length of
the
transferred
data
SCI0:
7
or
8
bits
SCI1/SCI2: 7
~
16bit
Transfer Rate
Note
Max.f
CLK
/2[Hz]
Min.f
CLK
/(2
2
15
128)[Hz]f
CLK
: System clock frequency
Data phase
It can be selected by the DAPmn bit of the SCRmn register.
•DAPmn=0: Starts data output when the serial clock starts running.
• DAPmn=1: Starts the data output half a clock before the serial clock starts running.
Clock phase
It can be selected by the CKPmn
bit of the SCRmn register.
• CKPmn=0: Normal phase
• CKPmn=1: Inverted
Data
direction
MSB priority or
LSB
priority
Note It must be used within the scope of peripheral functional characteristics that meet this condition and meet the
electrical characteristics (see data sheret).
Note m: Unit number (m=0~2)n: Channel number (n=0~3)mn=00~
03, 10
~
11, 20
~
21