DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 250
DF2148ATE20
Manufacturer Part Number
DF2148ATE20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148ATE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
Host Interface, I²C, IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
74
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2148ATE20
HD64F2148ATE20
HD64F2148ATE20
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2148ATE20IV
Manufacturer:
Renesas Electronics America
Quantity:
135
Company:
Part Number:
DF2148ATE20IV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 7 Data Transfer Controller (DTC)
7.3.11
Activation by Interrupt
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 the 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 the end of one data transfer, or after the specified number of data transfers have ended,
Activation by Software
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 the 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 in the SWDTE bit and the vector number to DTVECR.
5. Check the vector number written to DTVECR.
6. After the end of one data transfer, if the DISEL bit is 0 and a CPU interrupt is not requested,
Rev. 4.00 Sep 27, 2006 page 204 of 1130
REJ09B0327-0400
is activated when an interrupt used as an activation source is generated.
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.
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 have ended, the
SWDTE bit is held at 1 and a CPU interrupt is requested.
Procedures for Using the DTC
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