Datasheet

Section 15 Serial Communication Interface with FIFO (SCIF)
Rev. 2.00 Sep. 28, 2009 Page 422 of 870
REJ09B0429-0200
15.3.12 Modem Status Register (FMSR)
FMSR is a read-only register that indicates the status of or a change in the modem control pins.
Bit Bit Name Initial Value R/W Description
7 to 5 ⎯ ⎯ ⎯ Reserved
4 CTS 0 R Clear to Send
Indicates the inverted state of the CTS input pin.
3 to 1 ⎯ ⎯ ⎯ Reserved
0 DCTS 0 R Delta Clear to Send Indicator
Indicates a change in the CTS input signal after the
DCTS bit is read.
0: No change in the CTS input signal after FMSR
read
[Clearing condition]
FMSR read
1: A change in the CTS input signal after FMSR read
[Setting condition]
A change in the CTS input signal
15.3.13 Scratch Pad Register (FSCR)
FSCR is not used for SCIF control, but is used to temporarily store program data.
Bit Bit Name Initial Value R/W Description
7 to 0 Bit 7 to bit 0 All 0 R/W Temporarily stores program data.