DF2357F20 Renesas Electronics America, DF2357F20 Datasheet - Page 159

• 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: -

8-Bit 3-State Access Space: Figure 6-7 shows the bus timing for an 8-bit 3-state access space. When an 8-bit access
space is accessed, the upper half (D
The LWR pin is fixed high. Wait states can be inserted.
Note: n = 0 to 7
Read
Write
Address bus
D
D
D
D
15
15
7
7
ø
HWR
to D
to D
to D
to D
LWR
Figure 6-7 Bus Timing for 8-Bit 3-State Access Space
CSn
RD
AS
15
8
0
8
0
to D
8
) of the data bus is used.
T
1
High impedance
Bus cycle
High
T
2
Valid
Rev.6.00 Oct.28.2004 page 129 of 1016
T
3
Invalid
Valid
REJ09B0138-0600H