DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 746

• Manufacturer Part Number: DF2437FV
• Description: IC H8S/2437 MCU FLASH 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

Specifications of DF2437FV

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 85
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

24.3.3
Table 24.6 shows the bus timing.
Table 24.6 Bus Timing (Normal Extension)
Condition:
Rev.2.00 May. 28, 2009 Page 706 of 732
REJ09B0059-0200
Item
Address delay time
Address setup time
Address hold time
CS delay time
AS delay time
RD delay time 1
RD delay time 2
Read data setup time
Read data hold time
Read data access time 2
Read data access time 3
Read data access time 4
Read data access time 5
WR delay time 1
WR delay time 2
WR pulse width 1
WR pulse width 2
Write data delay time
Write data setup time
Write data hold time
WAIT setup time
WAIT hold time
Bus Timing
V
CC
= 3.0 V to 3.6 V, V
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
AD
AS
AH
CSD
ASD
RSD1
RSD2
RDS
RDH
ACC2
ACC3
ACC4
ACC5
WRD1
WRD2
WSW1
WSW2
WDD
WDS
WDH
WTS
WTH
SS
= 0 V, φ = 5 MHz to 20 MHz
Min.
⎯
0.5 x t
0.5 x t
⎯
⎯
⎯
⎯
15
0
⎯
⎯
⎯
⎯
⎯
⎯
1.0 x t
1.5 x t
⎯
0
10
30
5
cyc
cyc
cyc
cyc
–15
– 10
–20
–20
Max.
20
⎯
⎯
20
20
20
20
⎯
⎯
1.5 x t
2.0 x t
2.5 x t
3.0 x t
20
20
⎯
⎯
30
⎯
⎯
⎯
⎯
cyc
cyc
cyc
cyc
– 25
– 30
– 25
– 30
Unit
ns
Test Conditions
Figures 24.8 to
24.10