DF2328BVF25V Renesas Electronics America, DF2328BVF25V Datasheet - Page 201
DF2328BVF25V
Manufacturer Part Number
DF2328BVF25V
Description
IC H8S MCU FLASH 256K 128QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheets
1.HEWH8E10A.pdf
(19 pages)
2.D12312SVTE25V.pdf
(341 pages)
3.D12322RVF25V.pdf
(1304 pages)
Specifications of DF2328BVF25V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
87
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
128-QFP
For Use With
EDK2329 - DEV EVALUATION KIT H8S/2329
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Other names
HD64F2328BVF25V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2328BVF25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 201 of 1304
- Download datasheet (8Mb)
6.3.5
The chip can output chip select signals (CS0 to CS7) to areas 0 to 7, the signal being driven low
when the corresponding external space area is accessed.
Figure 6.3 shows an example of CSn (n = 0 to 7) output timing.
Enabling or disabling of the CSn signal is performed by setting the data direction register (DDR)
for the port corresponding to the particular CSn pin and either the CS167 enable bit (CS167E) or
the CS25 enable bit (CS25E).
In ROM-disabled expansion mode, the CS0 pin is placed in the output state after a power-on reset.
Pins CS1 to CS7 are placed in the input state after a power-on reset, so the corresponding DDR
bits, and CS167E or CS25E, should be set to 1 when outputting signals CS1 to CS7.
In ROM-enabled expansion mode, pins CS0 to CS7 are all placed in the input state after a power-
on reset, so the corresponding DDR bits, and CS167E or CS25E, should be set to 1 when
outputting signals CS0 to CS7.
For details, see section 9, I/O Ports.
When areas 2 to 5 are designated as DRAM space * , outputs CS2 to CS5 are used as RAS signals.
Note: * The DRAM interface is not supported in the H8S/2321.
Chip Select Signals
Address bus
φ
CSn
Figure 6.3 CSn Signal Output Timing (n = 0 to 7)
T
1
Area n external address
Bus cycle
T
Rev.6.00 Sep. 27, 2007 Page 169 of 1268
2
T
3
Section 6 Bus Controller
REJ09B0220-0600
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