HD6417020SX20IV Renesas Electronics America, HD6417020SX20IV Datasheet - Page 478

• 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: -

Note: For details of the silent cycle, see section 8.5.5, Burst Operation.
RENESAS 466
WRH, WRL ,
AD15–AD0
WR (Write)
Figure 19.12 (b) DRAM Bus Cycle (Short-Pitch, High-Speed Page Mode: Write)
RD (Write)
DPH, DPL
DPH, DPL
A21–A0
DACK0
DACK1
(Write)
(Write)
(Write)
RAS
CAS
CK
T
p
t
RASD1
t
AD
T
r
Row address
t
WPDD2
t
DACD4
t
t
WSD3
WDD2
t
AD
Column address
T
c
t
t
ASC
DACD5
t
t
WPDH
WDH
t
WSD4
Silent
cycle
T
Column address
c
t
DACD5
t
RASD2