HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 481

• Manufacturer Part Number: HD6477021X20V
• Description: MCU 5V 32K PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7020r

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: -

WRH, WRL,
WRH, WRL,
AD15–AD0
AD15–AD0
Notes: 1.
DPH, DPL
DPH, DPL
Figure 19.15 DRAM Bus Cycle: (Long Pitch, High-Speed Page Mode + Wait State)
RD(Read)
RD(Write)
A21–A0
DACK0
DACK1
DACK0
DACK1
(Read)
(Read)
(Read)
(Write)
(Write)
(Write)
(Write)
WAIT
RAS
CAS
CK
2.
3.
For t
For t
For t
CAC2
ACC2
RAC2
T
, use t
, use t
, use t
p
cyc
cyc
cyc
(n + 1) – 25 instead of t
(n + 2) – 30 instead of t
(n + 2.5) – 20 instead of t
T
r
Row
t
RDD
T
c1
t
WTS
t
cyc
cyc
WTH
Column
cyc
t
t
t
T
RAC2
CAC2
ACC2
(n + 1) – t
(n + 2) – t
w
(n + 2.5) – t
t
WTS
*
*
*
3
1
2
t
WTH
CASD2
AD
T
– t
RASD1
c2
RDS
– t
RENESAS 469
RDS
.
– t
RDS
.
t
RSD
.