SL811HS Cypress Semiconductor Corp, SL811HS Datasheet - Page 28

• Manufacturer Part Number: SL811HS
• Description: IC USB HOST/SLAVE CTRLR 28PLCC
• Manufacturer: Cypress Semiconductor Corp

Specifications of SL811HS

• Applications: USB Host/Slave Controller
• Controller Series: USB-Hosts
• Ram Size: 256 x 8
• Interface: USB
• Number Of I /o: 8
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 65°C
• Mounting Type: Surface Mount
• Package / Case: 28-PLCC
• For Use With: CY3662 - KIT DEVELOPMENT EZ-811HS
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Core Processor: -
• Program Memory Type: -
• Other names: 428-1463

Document 38-08008 Rev. *D
DMA Write Cycle
Note nWR must go low after nDACK goes low in order for nDRQ to clear. If this sequence is not implemented as requested, the
next nDRQ is not inserted.
tdack
tdwrlo
tdakrq
tdwrp
tdhld
tdsu
tackrq
tackwrh
twrcycle
Parameter
nD A C K
n D R Q
D 0-D 7
n W R
nDACK low
nDACK to nWR low delay
nDACK low to nDRQ high delay
nWR pulse width
Data hold after nWR high
Data set-up to nWR strobe low
NDACK high to nDRQ low
NDACK high to nDRQ low
DMA Write Cycle Time
Description
SL811 D M A W R IT E C Y C LE TIM IN G
tdsu
DMA Write Cycle
tdakrq
150 ns
tdw rlo
80 ns
65 ns
60 ns
Min.
5 ns
5 ns
5 ns
5 ns
5 ns
tdack
tdw rp
D AT A
tackrq
Typ.
tdhld
tackw rh
SL811HS
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