LM8333EVALKIT National Semiconductor, LM8333EVALKIT Datasheet - Page 3

• Manufacturer Part Number: LM8333EVALKIT
• Description: BOARD EVALUATION LM8333
• Manufacturer: National Semiconductor

Specifications of LM8333EVALKIT

• Main Purpose: Interface, Special Purpose
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: LM8333
• Primary Attributes: Mobile I/O Companion with Key-Scan, I/O Expansion, PWM, Access.bus Host
• Secondary Attributes: Board has MCU for USB to PC GUI
• Lead Free Status / RoHS Status: Not applicable / Not applicable

1.0 General Description ......................................................................................................................... 1
2.0 Features ........................................................................................................................................ 1
3.0 Applications .................................................................................................................................... 1
4.0 Block Diagram ................................................................................................................................ 1
5.0 Ordering Information ........................................................................................................................ 2
6.0 Pin Assignments ............................................................................................................................. 2
7.0 Signal Descriptions .......................................................................................................................... 4
8.0 Typical Application ........................................................................................................................... 5
9.0 Device Operation ............................................................................................................................ 6
10.0 Interrupts .................................................................................................................................... 12
11.0 Absolute Maximum Ratings ........................................................................................................... 15
12.0 DC Electrical Characteristics ......................................................................................................... 15
13.0 AC Electrical Characteristics ......................................................................................................... 16
14.0 Physical Dimensions .................................................................................................................... 18
8.1 FEATURES ............................................................................................................................. 5
8.2 I/O EXPANSION OPTIONS ....................................................................................................... 5
8.3 WATCHDOG TIMER ................................................................................................................ 5
8.4 HALT MODE ........................................................................................................................... 5
8.5 KEYPAD SCANNING ............................................................................................................... 6
8.6 COMMUNICATION INTERFACE ................................................................................................ 6
9.1 EVENT CODE ASSIGNMENT ................................................................................................... 6
9.2 I/O EXPANSION ...................................................................................................................... 7
9.3 HOST COMMAND EXECUTION ................................................................................................ 9
9.4 HOST WRITE COMMANDS .................................................................................................... 10
9.5 HOST READ COMMANDS ...................................................................................................... 10
9.6 WAKE-UP FROM HALT MODE ............................................................................................... 11
10.1 INTERRUPT CODE .............................................................................................................. 12
10.2 ERROR CODE ..................................................................................................................... 12
10.3 STATUS CODES ................................................................................................................. 12
10.4 INTERRUPT PROCESSING .................................................................................................. 12
10.5 COMMAND EXECUTION SUMMARY ..................................................................................... 14
8.4.1 ACCESS.bus Activity ...................................................................................................... 6
8.6.1 Interrupts Between the Host and LM8333 .......................................................................... 6
8.6.2 Interrupt Sources ............................................................................................................ 6
9.2.1 PWM Output with Programmable Duty Cycle ...................................................................... 7
9.2.2 General-Purpose I/O (GPIO) ............................................................................................ 8
9.2.3 External Interrupts .......................................................................................................... 8
9.3.1 Command Structure ........................................................................................................ 9
Table of Contents
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