DF2170VTE33 Renesas Electronics America, DF2170VTE33 Datasheet - Page 142
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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Area 3: Area 3 includes the on-chip RAM and internal I/O registers. The space excluding the on-
chip RAM and internal I/O registers is external address space by setting the EXPE bit in MDCR to
1. The on-chip RAM is enabled when the RAME bit is set to 1 in the system control register
(SYSCR); when the RAME bit is cleared to 0, the on-chip RAM is disabled and the corresponding
addresses are in external address space.
When area 3 external address space is accessed, the CS3 signal can be output.
Only the basic bus interface can be used for the area 3 memory interface.
6.4.5
This LSI can output chip select signals (CS3 to CS0) for areas 3 to 0. The signal outputs low when
the corresponding external space area is accessed. Figure 6.8 shows an example of CS3 to CS0
signals output timing.
The CS0 pin is placed in the output state by setting the EXPE bit in MDCR to 1. Pins CS3 to CS1
are placed in the input state after a reset and so the corresponding CS output should be enabled by
setting the PFCR1 register when outputting signals CS3 to CS1.
For details, refer to section 8.11.1, Port Function Control Register 1 (PFCR1).
When area 2 is designated as DRAM space, output CS2 is used as the RAS signal.
Rev. 2.00, 03/04, page 108 of 534
Chip Select Signals
φ
Address bus
Figure 6.8 CSn Signal Output Timing (n = 3 to 0)
T
1
Area n external address
Bus cycle
T
2
T
3
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