DF3052BX25V Renesas Electronics America, DF3052BX25V Datasheet - Page 139
DF3052BX25V
Manufacturer Part Number
DF3052BX25V
Description
MCU 5V 512K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3052BX25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
70
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
8K 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
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF3052BX25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 139 of 847
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6.1
The H8/3052BF has an on-chip bus controller that divides the address space into eight areas and
can assign different bus specifications to each. This enables different types of memory to be
connected easily.
A bus arbitration function of the bus controller controls the operation of the DMA controller
(DMAC) and refresh controller. The bus controller can also release the bus to an external device.
6.1.1
Features of the bus controller are listed below.
Independent settings for address areas 0 to 7
Four wait modes
Bus arbitration function
128-kbyte areas in 1-Mbyte modes; 2-Mbyte areas in 16-Mbyte modes.
Chip select signals (CS
Areas can be designated for 8-bit or 16-bit access.
Areas can be designated for two-state or three-state access.
Programmable wait mode, pin auto-wait mode, and pin wait modes 0 and 1 can be selected.
Zero to three wait states can be inserted automatically.
A built-in bus arbiter grants the bus right to the CPU, DMAC, refresh controller, or an
external bus master.
Features
Overview
Section 6 Bus Controller
0
to CS
7
) can be output for areas 0 to 7.
Rev. 3.00 Mar 21, 2006 page 109 of 814
Section 6 Bus Controller
REJ09B0302-0300
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