Intel 8XC196K Series User Manual page 12

Regaining Bus Control (8XC196K x Only) .............................................................15-20
15.5.4
15.6 BUS-CONTROL MODES........................................................................................... 15-20
15.6.1 Standard Bus-control Mode ..................................................................................15-20
15.6.2 Write Strobe Mode ................................................................................................15-24
15.6.3 Address Valid Strobe Mode ..................................................................................15-26
15.6.4 Address Valid with Write Strobe Mode ..................................................................15-29
15.7 BUS TIMING MODES (8XC196KS, KT ONLY) ......................................................... 15-30
15.7.1 Mode 3, Standard Mode .......................................................................................15-32
15.7.2 Mode 0, Standard Timing with One Automatic Wait State ....................................15-32
15.7.3 Mode 1, Long Read/Write Mode ...........................................................................15-32
15.7.4 Mode 2, Long Read/Write with Early Address ......................................................15-33
15.7.5 Design Considerations ..........................................................................................15-34
15.8 SYSTEM BUS AC TIMING SPECIFICATIONS ......................................................... 15-36
CHAPTER 16
PROGRAMMING THE NONVOLATILE MEMORY
16.1 PROGRAMMING METHODS ...................................................................................... 16-2
16.2 OTPROM MEMORY MAP ........................................................................................... 16-2
16.3 SECURITY FEATURES............................................................................................... 16-3
16.3.1 Controlling Access to Internal Memory ...................................................................16-4
16.3.1.1 Controlling Access to the OTPROM During Normal Operation ..........................16-4
16.3.1.2 Controlling Access to the OTPROM During Programming Modes .....................16-5
16.3.2 Controlling Fetches from External Memory .............................................................16-6
16.3.3 Enabling the Oscillator Failure Detection Circuitry ..................................................16-8
16.4 PROGRAMMING PULSE WIDTH ............................................................................... 16-8
16.5 MODIFIED QUICK-PULSE ALGORITHM.................................................................. 16-10
16.6 PROGRAMMING MODE PINS.................................................................................. 16-11
16.7 ENTERING PROGRAMMING MODES ..................................................................... 16-14
16.7.1 Selecting the Programming Mode .........................................................................16-14
16.7.2 Power-up and Power-down Sequences ................................................................16-14
16.7.2.1 Power-up Sequence .........................................................................................16-15
16.7.2.2 Power-down Sequence ....................................................................................16-15
16.8 SLAVE PROGRAMMING MODE............................................................................... 16-15
16.8.1 Reading the Signature Word and Programming Voltages ....................................16-16
16.8.2 Slave Programming Circuit and Memory Map ......................................................16-16
16.8.3 Operating Environment .........................................................................................16-18
16.8.4 Slave Programming Routines ...............................................................................16-20
16.8.5 Timing Mnemonics ................................................................................................16-25
16.9 AUTO PROGRAMMING MODE ................................................................................ 16-26
16.9.1 Auto Programming Circuit and Memory Map ........................................................16-26
16.9.2 Operating Environment .........................................................................................16-28
16.9.3 Auto Programming Routine ...................................................................................16-28
16.9.4 Auto Programming Procedure ..............................................................................16-30
CONTENTS
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