DF2398TE20V Renesas Electronics America, DF2398TE20V Datasheet - Page 173
![IC H8S MCU FLASH 256K 120TQFP](/photos/12/21/122170/df2398te20v_sml.jpg)
DF2398TE20V
Manufacturer Part Number
DF2398TE20V
Description
IC H8S MCU FLASH 256K 120TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of DF2398TE20V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
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)
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
120-TQFP, 120-VQFP
For Use With
YR0K42378FC000BA - KIT EVAL FOR H8S/2378
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Other names
HD64F2398TE20V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2398TE20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 173 of 1049
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6.5.9
When DRAM with a 16 configuration is connected, the 2-CAS system can be used for the control signals required for
byte access.
When the CW2 bit is cleared to 0 in MCR, the 2-CAS system is selected. Figure 6-18 shows the control timing in the 2-
CAS system, and figure 6-19 shows an example 2-CAS system DRAM connection.
When only DRAM with a 8 configuration is connected, set the CW2 bit to 1 in MCR.
Byte Access Control
Byte control
Note: n = 2 to 5
Figure 6-18 2-CAS System Control Timing (Upper Byte Write Access)
(Address shift size set to 9 bits)
CSn, (RAS)
HWR, (WE)
A
23
H8S/2357 Group
LCAS
Figure 6-19 Example of 2-CAS System Connection
to A
CAS
ø
0
HWR, (WE)
CS, (RAS)
D
15
LCAS
to D
CAS
T
A
A
A
A
A
A
A
A
A
p
9
8
7
6
5
4
3
2
1
0
Row
T
r
256-kbyte x 16-bit configuration
RAS
UCAS
LCAS
WE
A
A
A
A
A
A
A
A
A
D
8
7
6
5
4
3
2
1
0
15
2-CAS type 4-Mbit DRAM
to D
T
9-bit column address
c1
0
Low address
input: A
Column address
input: A
Column
OE
Rev.6.00 Oct.28.2004 page 143 of 1016
8
8
to A
to A
T
0
0
c2
REJ09B0138-0600H
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