HD6417034AFI20 Renesas Electronics America, HD6417034AFI20 Datasheet - Page 569

• Manufacturer Part Number: HD6417034AFI20
• Description: IC SUPERH MPU ROMLESS 112QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7030r

Specifications of HD6417034AFI20

• Core Processor: SH-1
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: EBI/EMI, SCI
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 112-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -

Figure 20.56 (a) DRAM Bus Cycle (Short-Pitch, High-Speed Page Mode: Read)
Notes: 1. For t
WRH, WRL ,
AD15–AD0
WR (Read)
DPH, DPL
RD(Read)
A21–A0
DACK0
DACK1
(Read)
(Read)
RAS
CAS
2. For t
3. For t
4. t
5. t
CK
instead of t
It is not necessary to meet the t
specification is met.
It is not necessary to meet the t
specification is met.
It is not necessary to meet the t
specification is met.
RDH
RDH
CAC1
ACC1
RAC1
is measured from A21–A0 or CAS, whichever is negated first.
is measured from A21–A0, RAS, or CAS, whichever is negated first.
T
, use t
, use t
, use t
p
cyc
t
– t
RASD1
cyc
cyc
cyc
t
t
RAC1
AD
AD
– 30 instead of t
– t
T
0.65 – 19 (for 35% duty) or t
1.5 – 20 instead of t
*3
r
Row address
ASC
t
ACC1
t
RDD
t
– t
AD
RDS
*2
t
Column address
T
t
DACD1
CAC1
RDS
RDS
RDS
c
t
ASC
.
t
RDS
cyc
*1
specification as long as the t
specification as long as the t
specification as long as the t
t
RSD
t
t
– t
DACD2
RDH
Column address
t
t
CP
ACP
T
cyc
AD
c
*4
Rev. 7.00 Jan 31, 2006 page 541 of 658
– t
1.5 – t
RDS
Section 20 Electrical Characteristics
cyc
Column address
.
T
RASD1
c
0.5 – 19 (for 50% duty)
– t
Column address
RDS
T
c
CAC1
ACC1
RAC1
.
REJ09B0272-0700
t
t
RDH
RASD2
*5