HD6417020SX20IV Renesas Electronics America, HD6417020SX20IV Datasheet - Page 495

• Manufacturer Part Number: HD6417020SX20IV
• Description: SH 1 CORE 32B MPU, 20MHZ/5V, 100
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7020r

Specifications of HD6417020SX20IV

• 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: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

WRH, WRL,
WRH, WRL,
Notes: 1.
AD15–AD0
AD15–AD0
DPH, DPL
DPH, DPL
RD(Write)
RD(Read)
A21–A0
DACK0
DACK1
DACK0
DACK1
(Read)
(Read)
(Read)
(Write)
(Write)
(Write)
(Write)
RAS
CAS
2.
3.
4.
CK
For t
For t
For t
t
RDH
Figure 19.26 DRAM Bus Cycle: (Long Pitch, Normal Mode)
CAC2
ACC2
RAC2
is measured from A21–A0, CAS, or RAS, whichever is negated first.
, use t
, use t
, use t
T
p
cyc
cyc
cyc
t
t
(n + 1) – 35 instead of t
(n + 2) – 44 instead of t
(n + 2.5) – 35 instead of t
RASD1
AD
T
r
Row
t
RAH
t
t
t
WPDD1
RDD
t
DACD1
t
t
AD
WDD1
WSD1
Tc
1
t
t
CASD2
DACD3
t
t
cyc
cyc
ACC2*
RAC2*
t
cyc
WCH
Column
t
2
3
(n + 1) – t
(n + 2) – t
WSD2
(n + 2.5) – t
t
DS
Tc
t
t
2
CAC2*
DACD3
CASD2
AD
1
t
– t
t
t
t
t
t
RASD1
RASD2
RDS
RDS
DACD2
WDH
WPDH
RDS
– t
RENESAS 483
RDS
.
– t
t
RDH
t
CASD3
RDS
.
*
4
.