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Rainbow Electronics AT90LS4433 User Manual

Page 124

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AT90S/LS4433

1042G–AVR–09/02

Prescaling ........................................................................................................... 65

ADC Noise Canceler Function ............................................................................ 67

Scanning Multiple Channels ............................................................................... 70

ADC Noise Canceling Techniques ..................................................................... 70

ADC Characteristics T

A

= -40

°C to 85°C ............................................................ 71

I/O Ports............................................................................................... 72

Port B.................................................................................................................. 72

Port C.................................................................................................................. 77

Port D.................................................................................................................. 80

Memory Programming........................................................................ 85

Program and Data Memory Lock Bits................................................................. 85

Fuse Bits............................................................................................................. 85

Signature Bytes .................................................................................................. 85

Programming the Flash and EEPROM ............................................................... 86

Parallel Programming ......................................................................................... 86

Parallel Programming Characteristics ................................................................ 92

Serial Downloading ............................................................................................. 93

Serial Programming Characteristics ................................................................... 97

Electrical Characteristics................................................................... 98

Absolute Maximum Ratings*............................................................................... 98

DC Characteristics.............................................................................................. 98

External Clock Drive Waveforms .................................................... 100

Typical Characteristics .................................................................... 101

Register Summary ............................................................................ 112

Instruction Set Summary ................................................................. 114

Ordering Information........................................................................ 116

Packaging Information ..................................................................... 117

32A ................................................................................................................... 117

28P3 ................................................................................................................. 118

Errata for AT90S/LS4433 Rev. Rev. C/D/E/F................................... 119

Data Sheet Change Log for AT90S/LS4433.................................... 121

Changes from Rev. 1042E-09/01 to Ref. 1042F-03/02 .................................... 121

Changes from Rev. 1042F-03/02 to Ref. 1042G-09/02 .................................... 121

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