
S3FB42F MICROCONTROLLER
vii
Table of Contents (Continued)
Part II — Hardware Descriptions
Chapter 9
PLL (Phase Locked Loop)
Overview .............................................................................................................................................9-1
PLL Register Description......................................................................................................................9-2
PLL Control Register (PLLCON)....................................................................................................9-2
PLL Frequency Divider Data Register (PLLDATA)...........................................................................9-2
System Control Circuit.........................................................................................................................9-4
Oscillator Control Register (OSCCON)...........................................................................................9-4
Power Control Register (PCON) ....................................................................................................9-5
Chapter 10
Reset and Power-Down
Overview .............................................................................................................................................10-1
Chapter 11
I/O Ports
Port Data Registers .............................................................................................................................11-1
Port Control Registers..........................................................................................................................11-2
Port 0 Control Register (P0CON)...................................................................................................11-2
Port 1 Control Register (P1CON)...................................................................................................11-2
Port 2 Control Low Register (P2CONL) ..........................................................................................11-3
Port 2 Control High Register (P2CONH).........................................................................................11-4
Port 3 Control Low Register (P3CONL) ..........................................................................................11-5
Port 3 Control High Register (P3CONH).........................................................................................11-6
Port 3 Pull-Up Register (P3PUR)...................................................................................................11-6
Port 4 Control Register (P4CON)...................................................................................................11-7
Port 4 Interrupt Control Register (P4INTCON) .................................................................................11-7
Port 4 Interrupt Mode Register (P4INTMOD)...................................................................................11-8
Port 5 Control Register (P5CON)...................................................................................................11-8
Port 5 Pull-Up Register (P5PUR)...................................................................................................11-9
Port 5 Interrupt Control Register (P5INTCON) .................................................................................11-9
Port 5 External Interrupt Pending Register (EINTPND).....................................................................11-9
Port 5 Interrupt Mode Low Register (P5INTMODL) ..........................................................................11-9
Port 5 Interrupt Mode High Register (P5INTMODH) .........................................................................11-10
Port 6 Control Register (P6CON)...................................................................................................11-11
Port 2 Control High Register Or P6pur (P2CONH)...........................................................................11-12
Port 7 Control Register (P7CON)...................................................................................................11-12
Port 8 Control Register (P8CON)...................................................................................................11-13
Port 9 Control Register (P9CON)...................................................................................................11-14