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Table of Contents
1.0 Features
2.0 Logic Block Diagram
3.0 Functional Overview
3.1 enCoRe USB-The New USB Standard
4.0 Pin Configurations
5.0 Pin Definitions
6.0 Programming Model
6.1 Program Counter (PC)
6.2 8-bit Accumulator (A)
6.3 8-bit Index Register (X)
6.4 8-bit Program Stack Pointer (PSP)
6.5 8-bit Data Stack Pointer (DSP)
6.6 Address Modes
6.6.1 Data
6.6.2 Direct
6.6.3 Indexed
7.0 Instruction Set Summary
8.0 Memory Organization
8.1 Program Memory Organization[1]
8.2 Data Memory Organization
8.3 I/O Register Summary
9.0 Clocking
9.1 Internal/External Oscillator Operation
9.2 External Oscillator
10.0 Reset
10.1 Low-voltage Reset (LVR)
10.2 Brown Out Reset (BOR)
10.3 Watchdog Reset (WDR)
11.0 Suspend Mode
11.1 Clocking Mode on Wake-up from Suspend
11.2 Wake-up Timer
12.0 General Purpose I/O Ports
12.1 Auxiliary Input Port
13.0 USB Serial Interface Engine (SIE)
13.1 USB Enumeration
13.2 USB Port Status and Control
14.0 USB Device
14.1 USB Address Register
14.2 USB Control Endpoint
14.3 USB Non-control Endpoints
14.4 USB Endpoint Counter Registers
15.0 USB Regulator Output
16.0 PS/2 Operation
17.0 Serial Peripheral Interface (SPI)
17.1 Operation as an SPI Master
17.2 Master SCK Selection
17.3 Operation as an SPI Slave
17.4 SPI Status and Control
17.5 SPI Interrupt
17.6 SPI Modes for GPIO Pins
18.0 12-bit Free-running Timer
19.0 Timer Capture Registers
20.0 Processor Status and Control Register
21.0 Interrupts
21.1 Interrupt Vectors
21.2 Interrupt Latency
21.3 Interrupt Sources
22.0 USB Mode Tables
23.0 Register Summary
24.0 Absolute Maximum Ratings
25.0 DC Characteristics FOSC = 6 MHz; Operating Temperature = 0 to 70˚C
26.0 Switching Characteristics
27.0 Ordering Information
28.0 Package Diagrams