DF2398TE20V Renesas Electronics America, DF2398TE20V Datasheet - Page 181
![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: 181 of 1049
- Download datasheet (5Mb)
6.7.2
Basic Timing
The number of states in the initial cycle (full access) of the burst ROM interface is in accordance with the setting of the
AST0 bit in ASTCR. Also, when the AST0 bit is set to 1, wait state insertion is possible. One or two states can be selected
for the burst cycle, according to the setting of the BRSTS1 bit in BCRH. Wait states cannot be inserted. When area 0 is
designated as burst ROM space, it becomes 16-bit access space regardless of the setting of the ABW0 bit in ABWCR.
When the BRSTS0 bit in BCRH is cleared to 0, burst access of up to 4 words is performed; when the BRSTS0 bit is set to
1, burst access of up to 8 words is performed.
The basic access timing for burst ROM space is shown in figures 6-30 (a) and (b). The timing shown in figure 6-30 (a) is
for the case where the AST0 and BRSTS1 bits are both set to 1, and that in figure 6-30 (b) is for the case where both these
bits are cleared to 0.
Full access
Burst access
T
T
T
T
T
T
T
1
2
3
1
2
1
2
ø
Only lower address changed
Address bus
CS0
AS
RD
Data bus
Read data
Read data
Read data
Figure 6-30 (a) Example of Burst ROM Access Timing (When AST0 = BRSTS1 = 1)
Rev.6.00 Oct.28.2004 page 151 of 1016
REJ09B0138-0600H
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