R01AN1504EJ0100 Datasheet, PDF (40/50 Pages) Renesas Technology Corp – Using the DTC to Perform Continuous Clock

RL78/G14
• DTC block size register 0 (DTBLS0)
Set the DTC0 block size to 1 byte.
Using the DTC to Perform Continuous Clock
Synchronous Serial Communication
Symbol
DTBLS0
Value
7
DTBLS07
6
DTBLS06
5
DTBLS05
4
3
DTBLS04 DTBLS03
01H
2
DTBLS02
1
DTBLS01
0
DTBLS00
• DTC transfer count register 0 (DTCCT0)
Set the number of transfers by DTC0 to 7.
Symbol
7
6
5
4
3
2
1
0
DTCCT0 DTCCT07 DTCCT06 DTCCT05 DTCCT04 DTCCT03 DTCCT02 DTCCT01 DTCCT00
Value
07H
• DTC transfer count reload register 0 (DTRLD0)
Set the number of transfers in repeat mode to 7 (This register can be used in repeat mode).
Symbol
7
6
5
4
3
2
1
0
DTRLD0 DTRLD07 DTRLD06 DTRLD05 DTRLD04 DTRLD03 DTRLD02 DTRLD01 DTRLD00
Value
07H
• DTC source address register 0 (DTSAR0)
Specify the transfer source address for data transfer to FF10H.
Symbol
DTSAR0
Value
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
DTSA DTSA DTSA DTSA DTSA DTSA DTSA DTSA DTSA DTSA DTSA DTSA DTSA DTSA DTSA DTSA
R015 R014 R013 R012 R011 R010 R09 R08 R07 R06 R05 R04 R03 R02 R01 R00
FF10H
• DTC destination address register 0 (DTDAR0)
Specify the transfer destination address for data transfer to E900H.
Symbol
DTDAR0
Value
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
DTDA DTDA DTDA DTDA DTDA DTDA DTDA DTDA DTDA DTDA DTDA DTDA DTDA DTDA DTDA DTDA
R015 R014 R013 R012 R011 R010 R09 R08 R07 R06 R05 R04 R03 R02 R01 R00
E900H
For details on register setting, refer to the RL78/G14 User’s Manual: Hardware.
Legend symbol:
×: Unused bit; blank cell: unchanged bit; ‒: reserved bit or unallocated bit
R01AN1504EJ0100 Rev. 1.00
Feb. 14, 2014
Page 40 of 47