AN2136SC Cypress Semiconductor Corp, AN2136SC Datasheet - Page 238
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AN2136SC
Manufacturer Part Number
AN2136SC
Description
IC MCU 8051 8K RAM 24MHZ 44QFP
Manufacturer
Cypress Semiconductor Corp
Series
EZ-USB®r
Datasheet
1.AN2131SC.pdf
(334 pages)
Specifications of AN2136SC
Applications
USB Microcontroller
Core Processor
8051
Program Memory Type
ROMless
Controller Series
AN213x
Ram Size
8K x 8
Interface
I²C, USB
Number Of I /o
8
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
44-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
428-1309
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The 8051 sets VAL=1 for active endpoints, and VAL=0 for inactive endpoints. These bits
instruct the EZ-USB core to return a “no response” if an invalid endpoint is addressed.
The default values of these registers are set to support all endpoints that exist in the default
USB device (see Table 5-1).
EZ-USB TRM v1.9
INISOVAL
OUTISOVAL
OUT15VAL OUT14VAL OUT13VAL OUT12VAL OUT11VAL OUT10VAL
IN15VAL
R/W
R/W
b7
b7
0
0
IN14VAL
R/W
R/W
b6
b6
0
0
Figure 12-37. Isochronous IN/OUT Endpoint Valid Bits Register
IN13VAL
Isochronous OUT Endpoint Valid Bits
Isochronous IN Endpoint Valid Bits
R/W
R/W
b5
b5
0
0
Chapter 12. EZ-USB Registers
IN12VAL
R/W
R/W
b4
b4
0
0
IN11VAL
R/W
R/W
b3
b3
0
0
IN10VAL
R/W
R/W
b2
b2
1
1
OUT9VAL
IN9VAL
R/W
R/W
b1
b1
1
1
OUT8VAL
IN8VAL
Page 12-45
R/W
R/W
b0
b0
1
1
7FE0
7FE1
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