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R01UH0336EJ0102 Rev.1.02
Page 1173 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 21 Clocked Serial Interface G (CSIG)
Figure 21-1
CSIG Block Diagram
In master mode, the serial communications clock (CSIGnTSCK) is generated
by the internal baud rate generator (BRG). In slave mode, the module supplies
the serial communications clock through CSIGnTSCK.
Peripheral bus
CSIGnRX0
Main control unit
CSIGnTIC
CSIGnTX0
16
16/32
BRG
PCLK
CSIGnCFG0
Interrupt
generator
Shift
register
Loop-back
circuit
CSIGnCTL0/1
CSIGnCTL2
Peripheral bus
CSIGnTIR
CSIGnTIRE
CSIGnTSCK
CSIGnTSO
CSIGnTSI
CSIGnTRYI
CSIGnTRYO
Master mode
transmission clock
Buffer control unit