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Table of contents
3800 GROUP USER'S MANUAL
Table of contents
DESCRIPTION ................................................................................................................................ 1-2
 PIN CONFIGURATION .................................................................................................................. 1-2
 PIN DESCRIPTION ........................................................................................................................ 1-5
 PART NUMBERING ....................................................................................................................... 1-6
 GROUP EXPANSION .................................................................................................................... 1-7
 FUNCTIONAL DESCRIPTION .................................................................................................... 1-10
 I/O Ports .................................................................................................................................. 1-16
 Interrupts ................................................................................................................................. 1-18
 Timers ...................................................................................................................................... 1-20
 Serial I/O ................................................................................................................................. 1-22
 Clock Generating Circuit ....................................................................................................... 1-28
 Processor Modes .................................................................................................................... 1-29
 Processor Status Register .................................................................................................... 1-31
 Interrupts ................................................................................................................................. 1-31
 Timers ...................................................................................................................................... 1-31
 Serial I/O ................................................................................................................................. 1-31
 ROM PROGRAMMING METHOD .............................................................................................. 1-32
 Interrupt ................................................................................................................................... 1-33