R01AN1504EJ0100 Datasheet, PDF (41/50 Pages) Renesas Technology Corp – Using the DTC to Perform Continuous Clock

RL78/G14
Setting the DTCD1
• DTC control register 1 (DTCCR1)
Data size: 8 bits
Chain transfer: Disabled
Transfer destination address: Fixed
Transfer source address: Incremented
Transfer mode: Normal mode
Using the DTC to Perform Continuous Clock
Synchronous Serial Communication
Symbol
7
DTCCR1
0
Value
‒
6
5
4
3
2
1
0
SZ
RPTINT CHNE DAMOD SAMOD RPTSEL MODE
0
×
0
0
1
×
0
• Bit 6
SZ bit
0
1
8 bits
16 bits
Data size selection
• Bit 4
CHNE bit
Enabling/disabling chain transfers
0
Chain transfers disabled
1
Chain transfers enabled
• Bit 3
DAMOD
bit
0
1
Fixed
Incremented
Transfer destination address control
• Bit 2
SAMOD
bit
0
1
Fixed
Incremented
Transfer source address control
• Bit 0
MODE bit
0
Normal mode
1
Repeat mode
Transfer mode selection
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 41 of 47