R5F61668MZN50FPV Renesas Electronics America, R5F61668MZN50FPV Datasheet - Page 598
R5F61668MZN50FPV
Manufacturer Part Number
R5F61668MZN50FPV
Description
MCU FLASH 1024K ROM 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R5F61668MZN50FPV.pdf
(1416 pages)
Specifications of R5F61668MZN50FPV
Core Processor
H8SX
Core Size
16/32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
92
Program Memory Size
1MB (1M x 8)
Program Memory Type
FLASH
Ram Size
56K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Section 12 Data Transfer Controller (DTC)
12.5.2
By setting the RRS bit of DTCCR, the vector address read and transfer information read can be
skipped. The current DTC vector number is always compared with the vector number of previous
activation. If the vector numbers match when RRS = 1, a DTC data transfer is performed without
reading the vector address and transfer information. If the previous activation is a chain transfer,
the vector address read and transfer information read are always performed. Figure 12.6 shows the
transfer information read skip timing.
To modify the vector table and transfer information, temporarily clear the RRS bit to 0, modify the
vector table and transfer information, and then set the RRS bit to 1 again. When the RRS bit is
cleared to 0, the stored vector number is deleted, and the updated vector table and transfer
information are read at the next activation.
Rev. 1.00 Jan. 29, 2010 Page 566 of 1380
REJ09B0596-0100
Clock
DTC activation
request
DTC request
Transfer
information
read skip
Address
Note: Transfer information read is skipped when the activation sources of (1) and (2) (vector numbers) are the same while RRS = 1.
Transfer Information Read Skip Function
(1)
Figure 12.6 Transfer Information Read Skip Timing
Vector read
Transfer information
read
R
transfer
Data
W
Transfer information
write
(2)
R
transfer
Data
W
Transfer information
write
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