DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 205
DF2148BTE20
Manufacturer Part Number
DF2148BTE20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148BTE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SCI, X-Bus
Peripherals
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)
4.5 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
HD64F2148BTE20
HD64F2148BTE20
HD64F2148BTE20
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2148BTE20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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7.2.2
MRB selects the DTC operating mode.
7.2.3
SAR is a 24-bit register that designates the source address of data to be transferred by the DTC.
For word-size transfer, specify an even source address.
7.2.4
DAR is a 24-bit register that designates the destination address of data to be transferred by the
DTC. For word-size transfer, specify an even destination address.
Bit
7
6
5
to
0
Bit Name
CHNE
DISEL
—
DTC Mode Register B (MRB)
DTC Source Address Register (SAR)
DTC Destination Address Register (DAR)
Initial Value
Undefined
Undefined
Undefined
R/W
—
—
—
Description
DTC Chain Transfer Enable
When this bit is set to 1, a chain transfer will be
performed. For details, refer to section 7.5.4, Chain
Transfer.
In data transfer with CHNE set to 1, determination of
the end of the specified number of data transfers,
clearing of the interrupt source flag, and clearing of
DTCER are not performed.
DTC Interrupt Select
When this bit is set to 1, a CPU interrupt request is
generated every time data transfer ends (the DTC
clears the interrupt source flag for the activation
source). When this bit is cleared to 0, a CPU interrupt
request is generated only when the specified number of
data transfer ends (the DTC does not clear the interrupt
source flag for the activation source).
Reserved
These bits have no effect on DTC operation. Only 0
should be written to these bits.
Section 7 Data Transfer Controller (DTC)
Rev. 3.00 Mar 21, 2006 page 149 of 788
REJ09B0300-0300
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