r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 234
r5f21346mnfp
Manufacturer Part Number
r5f21346mnfp
Description
Single-chip Mcus Incorporates The R8c Cpu Core
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R5F21346MNFP.pdf
(776 pages)
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R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
Figure 15.8
15.3.4
Table 15.6
j =0 to 23
DTC block size register j
DTC transfer count register j
DTC transfer count reload
register j
DTC source address register j
DTC destination address
register j
One to 256 bytes of data are transferred by one activation. The number of transfer times can be 1 to 256. When
the data transfer causing the DTCCTj (j = 0 to 23) register value to change to 0 is performed, an interrupt
request for the CPU is generated during DTC operation.
Table 15.6 shows Register Functions in Normal Mode.
Figure 15.8 shows Data Transfers in Normal Mode.
X: 0 or 1
DTCCR register
Bits b3 to b0 in
Normal Mode
Register
00X0b
01X0b
10X0b
11X0b
Data Transfers in Normal Mode
Register Functions in Normal Mode
Transfer source
SRC
Source address
Incremented
Incremented
control
Fixed
Fixed
DTBLSj
DTCCTj
DTRLDj
DTSARj
DTDARj
Symbol
Destination address
Transfer
Incremented
Incremented
control
Fixed
Fixed
Transfer destination
Size of the data block to be transferred by one activation
Number of times of data transfers
Not used
Data transfer source address
Data transfer destination address
DST
Source address
after transfer
SRC+N
SRC+N
SRC
SRC
Size of the data block to be transferred
by one activation (N bytes)
DTBLSj = N
DTSARj = SRC
DTDARj = DST
j = 0 to 23
Function
Destination address
after transfer
DST+N
DST+N
DST
DST
Page 202 of 740
15. DTC
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