D12321VF25V Renesas Electronics America, D12321VF25V Datasheet - Page 217
D12321VF25V
Manufacturer Part Number
D12321VF25V
Description
IC H8S/2300 MCU ROMLESS 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 D12321VF25V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
86
Program Memory Type
ROMless
Ram Size
4K 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
-
Program Memory Size
-
Available stocks
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Price
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D12321VF25V
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Quantity:
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Company:
Part Number:
D12321VF25V
Manufacturer:
Renesas
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6.5.5
Table 6.7 shows the pins used for DRAM interfacing and their functions.
Table 6.7
Pin
HWR
LCAS
CS2
CS3
CS4
CS5
CAS
WAIT
A
D
12
15
to A
to D
0
0
Pins Used for DRAM Interface
With DRAM
Setting
WE
LCAS
RAS2
RAS3
RAS4
RAS5
UCAS
WAIT
A
D
DRAM Interface Pins
12
15
to A
to D
0
0
Name
Write enable
Lower column address
strobe
Row address strobe 2
Row address strobe 3
Row address strobe 4
Row address strobe 5
Upper column address
strobe
Wait
Address pins
Data pins
I/O
Output
Output
Output
Output
Output
Output
Output
Input
Output
I/O
Rev.6.00 Sep. 27, 2007 Page 185 of 1268
Function
When 2-CAS system is set,
write enable for DRAM space
access
Lower column address strobe
for 16-bit DRAM space access
Row address strobe when area
2 is designated as DRAM space
Row address strobe when area
3 is designated as DRAM space
Row address strobe when area
4 is designated as DRAM space
Row address strobe when area
5 is designated as DRAM space
Upper column address strobe
for DRAM space access
Wait request signal
Row address/column address
multiplexed output
Data input/output pins
Section 6 Bus Controller
REJ09B0220-0600
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