DF2170VTE33 Renesas Electronics America, DF2170VTE33 Datasheet - Page 117
DF2170VTE33
Manufacturer Part Number
DF2170VTE33
Description
MCU 3V 256K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheet
1.DF2170BVTE33V.pdf
(572 pages)
Specifications of DF2170VTE33
Core Processor
H8S/2000
Core Size
16-Bit
Speed
33MHz
Connectivity
SCI, USB
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
76
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
HD64F2170VTE33
HD64F2170VTE33
HD64F2170VTE33
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2170VTE33V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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This LSI has an on-chip bus controller (BSC) that manages the external address space divided into
four areas. The bus specifications such as the bus width and number of access states can be set
independently for each area. Therefore multiple memories and external I/O devices can be
connected easily to each area.
The bus controller also has a bus arbitration function, and controls the operation of the bus
mastersthe CPU and DMA controller (DMAC). A block diagram of the bus controller is shown
in figure 6.1.
6.1
• Manages external address space in area units
• Basic bus interface
• DRAM interface
• Idle cycle insertion
• Write buffer function
Manages the external address space divided into four areas of 2/10 Mbytes
Bus specifications can be set independently for each area
DRAM interface can be set
Chip select signals (CS0 to CS3) can be output for areas 0 to 3
8-bit access or 16-bit access can be selected for each area
2-state access or 3-state access can be selected for each area
Program wait states can be inserted for each area
CS assertion period extend states can be inserted for each area
DRAM interface can be set for area 2
Multiplex output of row/column address (8/9/10/11 bits)
Byte and word control by CAS2 method
Burst operation can be performed in high-speed page mode
Tp cycle insertion to ensure RAS precharge time
CAS before RAS refresh (CBR refresh) or self refresh can be selected
Idle cycles can be inserted when external read cycles between different areas are continued
Idle cycles can be inserted when write cycles are continued after a read cycle
Idle cycles can be inserted when accesses between different areas are continued
An external write cycle and internal access can be executed in parallel
DMAC single address mode and internal access can be executed in parallel
Features
Section 6 Bus Controller (BSC)
Rev. 2.00, 03/04, page 83 of 534
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