DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 152
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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Section 6 Bus Controller
6.1.2
Figure 6.1 shows a block diagram of the bus controller.
Rev. 3.00 Sep 27, 2006 page 124 of 872
REJ09B0325-0300
CPU bus request signal
DMAC bus request signal
Refresh controller bus request signal
CPU bus acknowledge signal
DMAC bus acknowledge signal
Refresh controller bus acknowledge signal
Legend:
ABWCR:
ASTCR:
WCER:
WCR:
BRCR:
CSCR:
Internal
address bus
WAIT
Block Diagram
Bus width control register
Access state control register
Wait state controller enable register
Wait control register
Bus release control register
Chip select control register
Internal signals
decoder
Area
Figure 6.1 Block Diagram of Bus Controller
Chip select
control signals
CS to CS
7
0
Bus control
Bus arbiter
Wait-state
controller
circuit
ABWCR
ASTCR
WCER
CSCR
BRCR
WCR
BACK
BREQ
Bus mode control signal
Bus size control signal
Access state control signal
Wait request signal
Internal signals
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