Freescale Semiconductor, Inc.
GENERAL RELEASE SPECIFICATION
LIST OF FIGURES
Title
Figure
Page
1-1
1-2
1-3
1-4
Block Diagram ...........................................................................................1-3
Pin Assignments ........................................................................................1-4
Port A Pullup Option ..................................................................................1-5
I/O Circuitry ................................................................................................1-7
2-1
2-2
Memory Map ..............................................................................................2-1
I/O Registers for the MC68HC05P4A ........................................................2-2
4-1
4-2
Hardware Interrupt Flowchart ....................................................................4-3
IRQ Function Block Diagram ......................................................................4-4
5-1
6-1
Power-On Reset and RESET ....................................................................5-2
STOP/WAIT Flowcharts .............................................................................6-3
7-1
7-2
7-3
7-4
7-5
SIOP Block Diagram ..................................................................................7-1
Serial I/O Port Timing ................................................................................7-2
SIOP Control Register ...............................................................................7-3
SIOP Status Register .................................................................................7-4
SIOP Data Register ...................................................................................7-5
8-1
8-2
8-3
Timer Block Diagram .................................................................................8-2
Timer Control Register ...............................................................................8-5
Timer Status Register ................................................................................8-6
10-1
Self-Check Circuit ....................................................................................10-2
12-1
12-2
SIOP Timing Diagram ..............................................................................12-4
STOP Recovery Timing ...........................................................................12-7
Rev. 2.0
vii
For More Information On This Product,
Go to: www.freescale.com
FREESCALE [ Freescale ]
