DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 233
![MCU 3/5V 128K PB-FREE 100-TQFP](/photos/28/61/286123/100-tqfp__100-vqfp_sml.jpg)
DF3048BVX25V
Manufacturer Part Number
DF3048BVX25V
Description
MCU 3/5V 128K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3048BVX25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 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
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF3048BVX25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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8.2
In short address mode, transfers can be carried out independently on channels A and B. Short
address mode is selected by bits DTS2A and DTS1A in data transfer control register A (DTCRA)
as indicated in table 8.4.
Table 8.4
Channel
0
1
8.2.1
A memory address register (MAR) is a 32-bit readable/writable register that specifies a source or
destination address. The transfer direction is determined automatically from the activation source.
An MAR consists of four 8-bit registers designated MARR, MARE, MARH, and MARL. All bits
of MARR are reserved: they cannot be modified and are always read as 1.
An MAR functions as a source or destination address register depending on how the DMAC is
activated: as a destination address register if activation is by a receive-data-full interrupt from the
serial communication interface (SCI) (channel 0), and as a source address register otherwise.
Bit
Initial value
Read/Write
Register Descriptions (Short Address Mode)
Memory Address Registers (MAR)
31
1
Bit 2:
DTS2A
1
Other than above
1
Other than above
30
1
Selection of Short and Full Address Modes
29
1
MARR
28
1
27
1
26
1
Bit 1:
DTS1A
1
1
25
1
24
1
R/W
23
R/W
22
R/W
Description
DMAC channel 0 operates as one channel in full address
mode
DMAC channels 0A and 0B operate as two independent
channels in short address mode
DMAC channel 1 operates as one channel in full address
mode
DMAC channels 1A and 1B operate as two independent
channels in short address mode
21
R/W
MARE
20
Source or destination address
R/W
19
R/W
18
R/W
17
Undetermined
R/W
16
R/W
15
R/W
14
Rev. 3.00 Sep 27, 2006 page 205 of 872
R/W
13
R/W
MARH
12
R/W
11
R/W
10
R/W
9
Section 8 DMA Controller
R/W
8
R/W
7
R/W
6
REJ09B0325-0300
R/W
5
R/W
MARL
4
R/W
3
R/W
2
R/W
1
R/W
0
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