DF2552BR26DV Renesas Electronics America, DF2552BR26DV Datasheet - Page 237
DF2552BR26DV
Manufacturer Part Number
DF2552BR26DV
Description
IC H8S/2552 MCU FLASH 176-LFBGA
Manufacturer
Renesas Electronics America
Series
H8® H8S/2500r
Specifications of DF2552BR26DV
Core Processor
H8S/2000
Core Size
16-Bit
Speed
26MHz
Connectivity
I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
104
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
176-LFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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For example, when the DTC vector address is located in on-chip ROM, normal mode is set, and
data is transferred from on-chip ROM to an internal I/O register, the time required for the DTC
operation is 13 states. The time from activation to the end of the data write is 10 states.
8.6
8.6.1
The procedure for using the DTC with interrupt activation is as follows:
1. Set the MRA, MRB, SAR, DAR, CRA, and CRB register information in on-chip RAM.
2. Set the start address of the register information in the DTC vector address.
3. Set the corresponding bit in DTCER to 1.
4. Set the enable bits for the interrupt sources to be used as the activation sources to 1. The DTC
5. After one data transfer has been completed, or after the specified number of data transfers has
8.6.2
The procedure for using the DTC with software activation is as follows:
1. Set the MRA, MRB, SAR, DAR, CRA, and CRB register information in on-chip RAM.
2. Set the start address of the register information in the DTC vector address.
3. Check that the SWDTE bit is 0.
4. Write 1 to SWDTE bit and the vector number to DTVECR.
5. Check the vector number written to DTVECR.
6. After one data transfer has been completed, if the DISEL bit is 0 and a CPU interrupt is not
is activated when an interrupt used as an activation source is generated.
been completed, the DTCE bit is cleared to 0 and a CPU interrupt is requested. If the DTC is
to continue transferring data, set the DTCE bit to 1.
requested, the SWDTE bit is cleared to 0. If the DTC is to continue transferring data, set the
SWDTE bit to 1. When the DISEL bit is 1, or after the specified number of data transfers has
been completed, the SWDTE bit is held at 1 and a CPU interrupt is requested.
Procedures for Using DTC
Activation by Interrupt
Activation by Software
Rev. 6.00 Sep. 24, 2009 Page 189 of 928
Section 8 Data Transfer Controller (DTC)
REJ09B0099-0600
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