DF2357F20 Renesas Electronics America, DF2357F20 Datasheet - Page 182

• Manufacturer Part Number: DF2357F20
• Description: IC H8S MCU FLASH 5V 128K 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2357F20

• 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: 128KB (128K 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: 128-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Full access
Burst access
T
T
T
T
1
2
1
1
ø
Only lower address changed
Address bus
CS0
AS
RD
Data bus
Read data
Read data Read data
Figure 6-30 (b) Example of Burst ROM Access Timing (When AST0 = BRSTS1 = 0)
6.7.3
Wait Control
As with the basic bus interface, either program wait insertion or pin wait insertion using the WAIT pin can be used in the
initial cycle (full access) of the burst ROM interface. See section 6.4.5, Wait Control.
Wait states cannot be inserted in a burst cycle.
Rev.6.00 Oct.28.2004 page 152 of 1016
REJ09B0138-0600H