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19
19.1
SPECIAL FUNCTION REGISTER OVERVIEW..........................................................
IDENTIFICATION REGISTERS ..................................................................................
43
49
20
20.1
20.2
20.3
20.4
20.5
20.5.1
20.5.2
20.5.3
20.5.4
20.5.5
20.5.6
20.5.7
20.5.8
20.5.9
20.5.10
20.5.11
20.5.12
20.5.13
ELECTRICAL CHARACTERISTICS ..........................................................................
ABSOLUTE MAXIMUM RATINGS..............................................................................
PARAMETER INTERPRETATION..............................................................................
DC CHARACTERISTICS ............................................................................................
A/D CONVERTER CHARACTERISTICS....................................................................
AC CHARACTERISTICS.............................................................................................
Test Waveforms ........................................................................................................
Definition of Internal Timing.........................................................................................
Clock Generation Modes.............................................................................................
Prescaler Operation.....................................................................................................
Direct Drive..................................................................................................................
Oscillator Watchdog (OWD) ........................................................................................
Phase Locked Loop.....................................................................................................
External Clock Drive XTAL1........................................................................................
Memory Cycle Variables..............................................................................................
Multiplexed Bus ...........................................................................................................
Demultiplexed Bus.......................................................................................................
CLKOUT and READY..................................................................................................
External Bus Arbitration...............................................................................................
50
50
50
50
52
53
53
54
54
55
55
55
55
56
57
57
63
69
71
21
PACKAGE MECHANICAL DATA ..............................................................................
73
22
ORDERING INFORMATION.......................................................................................
73