R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 220

MCU 1KB FLASH 16K ROM 32-LQFP

R5F21334CNFP#U0

Manufacturer Part Number
R5F21334CNFP#U0
Description
MCU 1KB FLASH 16K ROM 32-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/33Cr
Datasheet

Specifications of R5F21334CNFP#U0

Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, PWM, Voltage Detect, WDT
Number Of I /o
27
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 190 of 589
Figure 15.9
15.3.5
Table 15.7
j =0 to 23
DTC block size register j
DTC transfer count register j
DTC transfer count reload register j DTRLDj
DTC source address register j
DTC destination address register j
One to 255 bytes of data are transferred by one activation. Either of the transfer source or destination should be
specified as the repeat area. The number of transfer times can be 1 to 255. On completion of the specified
number of transfer times, the DTCCTj (i =0 to 23) register and the address specified for the repeat area are
initialized to continue transfers. When the data transfer causing the DTCCTj register value to change to 0 is
performed while the RPTINT bit in the DTCCRj register is 1 (interrupt generation enabled), an interrupt request
for the CPU is generated during DTC operation.
The lower 8 bits of the initial value for the repeat area address must be 00h. The size of data to be transferred
must be set to 255 bytes or less before the specified number of transfer times is completed.
Table 15.7 shows Register Functions in Repeat Mode.
Figure 15.9 shows Data Transfers in Repeat Mode.
Repeat Mode
DTCCTj register ≠ 1
DTCCTj register = 1
Register
Register Functions in Repeat Mode
Data Transfers in Repeat Mode
SRC0: Initial source address value
DST0: Initial destination address value
X: 0 or 1
X: 0 or 1
DTCCR register
DTCCR register
Bits b3 to b0 in
Bits b3 to b0 in
0X11b
1X11b
X001b
X101b
0X11b
1X11b
X001b
X101b
Transfer source
SRC
Source address
Source address
Repeat area
Repeat area
Incremented
Repeat area
Repeat area
Incremented
control
control
Fixed
Fixed
DTBLSj
DTCCTj
DTSARj
DTDARj
Symbol
Destination address
Destination address
Transfer
Incremented
Repeat area
Repeat area
Incremented
Repeat area
Repeat area
control
control
Fixed
Fixed
SRC0/DST0
Repeat area
SRC/DST
Size of the data block to be transferred by one activation
Number of times of data transfers
This register value is reloaded to the DTCCT register. (Data
transfer count is initialized.)
Data transfer source address
Data transfer destination address
Transfer destination
DST
Source address
Source address
after transfer
after transfer
SRC+N
SRC+N
SRC+N
SRC+N
SRC0
SRC0
SRC
SRC
Address of the repeat area is initialized
after a transfer.
DTBLSj = N
DTCCTj = 1
DTSARj = SRC
DTDARj = DST
j = 0 to 23
Size of the data block to be transferred by
one activation (N bytes)
DTBLSj = N
DTCCTj ≠ 1
DTSARj = SRC
DTDARj = DST
j = 0 to 23
Destination address
Destination address
Function
after transfer
after transfer
DST+N
DST+N
DST+N
DST+N
DST0
DST0
DST
DST
15. DTC

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