HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 476
![MCU 5V 32K PB-FREE 100-TQFP](/photos/28/61/286108/100-tqfp_sml.jpg)
HD6477021X20V
Manufacturer Part Number
HD6477021X20V
Description
MCU 5V 32K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7020r
Datasheet
1.HD6417020SVX12IV.pdf
(511 pages)
Specifications of HD6477021X20V
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 Size
32KB (32K x 8)
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6477021X20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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RENESAS 464
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)
(Write)
(Write)
(Write)
(Write)
(Read)
RAS
CAS
2.
3.
4.
CK
For t
instead of t
For t
For t
t
RDH
Figure 19.11 DRAM Bus Cycle (Short Pitch, Normal Mode)
CAC1
ACC1
RAC1
is measured from A21–A0, RAS, or CAS, whichever is negated first.
, use t
, use t
, use t
cyc
T
– t
p
cyc
cyc
cyc
AD
– 30 instead of t
– t
0.65 – 19 (for 35% duty) or t
1.5 – 20 instead of t
ASC
t
AD
– t
t
RAC1
RDS
T
r
*
t
RASD1
3
.
t
WPDD2
Row
cyc
t
RAH
t
– t
ACC1
cyc
t
t
t
t
t
t
WSD3
AD
RDD
WDD2
DACD4
AD
ASC
t
CAC1
*
2
– t
1.5 – t
RDS
T
*
1
cyc
c
t
t
DACD1
DACD5
.
Column
t
WCS
t
RASD1
DS
0.5 – 19 (for 50% duty)
t
WCH
t
t
t
t
t
RDS
t
t
t
DACD2
WPDH
RASD2
CASD1
WSD4
WDH
RSD
– t
RDS
t
.
RDH
*
4
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