FOR
FOR
enCoRe™ USB CY7C63722/23
CY7C63743
Document #: 38-08022 Rev. **
Page 2 of 58
TABLE OF CONTENTS
1.0 FEATURES ..................................................................................................................................... 5
2.0 FUNCTIONAL OVERVIEW .............................................................................................................6
2.1 enCoRe USB - The New USB Standard .................................................................................... 6
3.0 LOGIC BLOCK DIAGRAM .............................................................................................................7
4.0 PIN CONFIGURATIONS ................................................................................................................. 7
5.0 PIN ASSIGNMENTS ....................................................................................................................... 7
6.0 PROGRAMMING MODEL ............................................................................................................... 8
6.1 Program Counter (PC) ............................................................................................................... 8
6.2 8-bit Accumulator (A) ................................................................................................................. 8
6.3 8-bit Index Register (X) .............................................................................................................. 8
6.4 8-bit Program Stack Pointer (PSP) ............................................................................................ 8
6.5 8-bit Data Stack Pointer (DSP) ..................................................................................................9
6.6 Address Modes .......................................................................................................................... 9
6.6.1 Data ..................................................................................................................................................9
6.6.2 Direct ................................................................................................................................................9
6.6.3 Indexed ............................................................................................................................................9
7.0 INSTRUCTION SET SUMMARY ...................................................................................................10
8.0 MEMORY ORGANIZATION .......................................................................................................... 11
8.1 Program Memory Organization ................................................................................................11
8.2 Data Memory Organization ...................................................................................................... 12
8.3 I/O Register Summary ............................................................................................................. 13
9.0 CLOCKING .................................................................................................................................... 14
9.1 Internal/External Oscillator Operation ...................................................................................... 15
9.2 External Oscillator ....................................................................................................................16
10.0 RESET ......................................................................................................................................... 16
10.1 Low-voltage Reset (LVR) ....................................................................................................... 16
10.2 Brown Out Reset (BOR) ........................................................................................................ 16
10.3 Watchdog Reset (WDR) ........................................................................................................ 17
11.0 SUSPEND MODE ........................................................................................................................ 17
11.1 Clocking Mode on Wake-up from Suspend ........................................................................... 18
11.2 Wake-up Timer ......................................................................................................................18
12.0 GENERAL PURPOSE I/O PORTS ............................................................................................. 18
12.1 Auxiliary Input Port ................................................................................................................. 21
13.0 USB SERIAL INTERFACE ENGINE (SIE) ................................................................................. 22
13.1 USB Enumeration .................................................................................................................. 22
13.2 USB Port Status and Control ................................................................................................. 22
14.0 USB DEVICE ...............................................................................................................................24
14.1 USB Address Register ...........................................................................................................24
14.2 USB Control Endpoint ............................................................................................................ 24
14.3 USB Non-control Endpoints ................................................................................................... 25
14.4 USB Endpoint Counter Registers ..........................................................................................26
15.0 USB REGULATOR OUTPUT ...................................................................................................... 27
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