HD6417020SVX12I Renesas Electronics America, HD6417020SVX12I Datasheet - Page 479

• Manufacturer Part Number: HD6417020SVX12I
• Description: IC SUPERH MPU ROMLESS 100TQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7020r

Specifications of HD6417020SVX12I

• Core Processor: SH-1
• Core Size: 32-Bit
• Speed: 12.5MHz
• 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): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Notes: 1.
WRH, WRL,
WRH, WRL,
AD15–AD0
AD15–AD0
RD(Write)
DPH, DPL
DPH, DPL
RD(Read)
A21–A0
DACK0
DACK1
DACK0
DACK1
(Read)
(Read)
(Read)
(Write)
(Write)
(Write)
(Write)
2.
3.
4.
RAS
CAS
CK
For t
For t
For t
t
RDH
Figure 19.13 DRAM Bus Cycle: (Long Pitch, Normal Mode)
ACC2
CAC2
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) – 25 instead of t
(n + 2) – 30 instead of t
(n + 2.5) – 20 instead of t
RASD1
AD
t
RAC2*
T
r
3
Row
t
t
RAH
ACC2*
t
t
WPDD1
t
DACD1
t
t
RDD
t
WSD1
WDD1
AD
2
T
c1
t
DACD3
t
cyc
cyc
CAC2
cyc
Column
*
t
(n + 1) – t
(n + 2) – t
1
WSD2
(n + 2.5) – t
t
t
DS
CASD2
t
WCH
T
c2
t
DACD3
t
CASD2
AD
RDS
– t
t
t
t
t
RASD1
RSD
WDH
WPDH
DACD2
RDS
– t
RENESAS 467
RDS
.
– t
t
RDH
t
t
CASD3
RASD2
RDS
.
*
4
.