AN2136SC Cypress Semiconductor Corp, AN2136SC Datasheet - Page 11

• Manufacturer Part Number: AN2136SC
• Description: IC MCU 8051 8K RAM 24MHZ 44QFP
• Manufacturer: Cypress Semiconductor Corp
• Series: EZ-USB®r

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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Figure 6-9.
Figure 6-10.
Figure 6-11.
Figure 6-12.
Figure 6-13.
Figure 6-14.
Figure 7-1.
Figure 7-2.
Figure 7-3.
Figure 7-4.
Figure 7-5.
Figure 8-1.
Figure 8-2.
Figure 8-3.
Figure 8-4.
Figure 8-5.
Figure 8-6.
Figure 8-7.
Figure 8-8.
Figure 8-9.
Figure 8-10.
Figure 8-11.
Figure 8-12.
Figure 8-13.
Figure 8-14.
Figure 8-15.
Figure 9-1.
Figure 9-2.
Figure 9-3.
Figure 9-4.
Figure 9-5.
Figure 9-6.
Figure 9-7.
Figure 9-8.
Figure 9-9.
Figure 9-10.
Figure 9-11.
Figure 9-12.
Figure 9-13.
Figure 10-1.
Figure 11-1.
Figure 11-2.
Figure 11-3.
Figure 11-4.
Interrupt Service Routine (ISR) for Endpoint 6-OUT ..................................... 6-19
Background Program Transfers Endpoint 6-OUT Data to Endpoint 6-IN ...... 6-20
Initialization Routine ........................................................................................ 6-21
Autopointer Registers ...................................................................................... 6-23
Use of the Autopointer ..................................................................................... 6-24
8051 Code to Transfer External Data to a Bulk IN Buffer .............................. 6-25
A USB Control Transfer (This One Has a Data Stage) ..................................... 7-2
The Two Interrupts Associated with EP0 CONTROL Transfers ...................... 7-3
Registers Associated with EP0 Control Transfers ............................................. 7-4
Data Flow for a Get_Status Request .................................................................. 7-7
Using the Setup Data Pointer (SUDPTR) for Get_Descriptor Requests ......... 7-13
EZ-USB Isochronous Endpoints 8-15 ................................................................ 8-1
Isochronous IN Endpoint Registers ................................................................... 8-2
Isochronous OUT Registers ............................................................................... 8-4
FIFO Start Address Format ................................................................................ 8-5
Assembler Translates FIFO Sizes to Addresses ................................................ 8-7
8051 Code to Transfer Data to an Isochronous FIFO (IN8DATA) ................... 8-8
8051 MOVX Instructions ................................................................................... 8-9
Fast Transfer, EZ-USB to Outside Memory .................................................... 8-10
Fast Transfer, Outside Memory to EZ-USB .................................................... 8-11
The FASTXFR Register Controls FRD# and FWR# Strobes .......................... 8-11
Fast Write Timing ............................................................................................ 8-12
Fast Read Timing ............................................................................................. 8-13
8051 Code to Transfer 640 Bytes of External Data to an Isochronous
IN FIFO ............................................................................................................ 8-14
ISOCTL Register ............................................................................................. 8-15
ZBCOUT Register ........................................................................................... 8-16
EZ-USB Wakeup Interrupt ................................................................................ 9-2
USB Interrupts ................................................................................................... 9-4
The Order of Clearing Interrupt Requests is Important ..................................... 9-6
EZ-USB Interrupt Registers ............................................................................... 9-7
SUTOK and SUDAV Interrupts ........................................................................ 9-8
A Start Of Frame (SOF) Packet ......................................................................... 9-9
The Autovector Mechanism in Action ............................................................. 9-12
I
IN Bulk NAK Interrupt Request Register ........................................................ 9-14
IN Bulk NAK Interrupt Enable Register .......................................................... 9-14
I
I
I
EZ-USB Resets ................................................................................................ 10-1
Suspend-Resume Control ................................................................................. 11-1
EZ-USB Suspend Sequence ............................................................................. 11-2
EZ-USB Resume Sequence ............................................................................. 11-3
USB Control and Status Register ..................................................................... 11-4
2
2
2
2
C Interrupt Enable Bits and Registers ........................................................... 9-13
C Mode Register ............................................................................................ 9-15
C Control and Status Register ....................................................................... 9-15
C Data ............................................................................................................ 9-15
List of Figures
EZ-USB TRM v1.9