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xii
S3C94A5/F94A5 MICROCONTROLLER
List of Figures
(Continued)
Figure
Number
Title
Page
Number
4-1
5-1
5-2
5-3
6-1
7-1
7-2
7-3
7-4
7-5
7-6
7-7
7-8
9-1
9-2
9-3
9-4
9-5
9-6
9-7
9-8
9-9
9-10
9-11
9-12
9-13
9-14
9-15
9-16
9-17
9-18
9-19
9-20
9-21
9-22
9-23
9-24
9-25
9-26
9-27
Register Description Format .................................................................................4-4
S3C9-Series Interrupt Type...................................................................................5-1
Interrupt Function Diagram ...................................................................................5-2
S3C94A5/F94A5 Interrupt Structure ......................................................................5-5
System Flags Register (FLAGS)...........................................................................6-4
Crystal/Ceramic Oscillator(fx)...............................................................................7-2
External Oscillator(fx)..........................................................................................7-2
RC Oscillator(fx)..................................................................................................7-2
External RC Oscillator(fx).....................................................................................7-2
Internal RC Oscillator(fx)......................................................................................7-2
System Clock Circuit Diagram..............................................................................7-3
System Clock Control Register (CLKCON).............................................................7-4
STOP Control Register (STPCON) ........................................................................7-5
S3C94A5/F94A5 I/O Port Data Register Format .....................................................9-2
Port 1 Control Register, High Byte (P1CONH)........................................................9-4
Port 1 Control Register, Low Byte (P1CONL) .........................................................9-4
Port 1 Interrupt Control Register (P1INT) ................................................................9-5
Interrupt Pending Register 1 (INTPND1).................................................................9-5
Port 1 Interrupt Edge Selection Register, High Byte (P1EDGEH) .............................9-6
Port 1 Interrupt Edge Selection Register, Low Byte (P1EDGEL)...............................9-6
Port 2 Control Register, High Byte (P2CONH)........................................................9-7
Port 2 Control Register, Low Byte (P2CONL) .........................................................9-8
Port 2 Pull-up Control Register (P2PUR)................................................................9-8
Port 3 Control Register, High Byte (P3CONH)........................................................9-10
Port 3 Control Register, Low Byte (P3CONL) .........................................................9-11
Port 3 Interrupt Control Register (P3INT) ................................................................9-12
Interrupt Pending Register 2 (INTPND2).................................................................9-12
Port 3 Interrupt Edge Selection Register, High Byte (P3EDGEH) .............................9-13
Port 3 Interrupt Edge Selection Register, Low Byte (P3EDGEL)...............................9-13
Port 3 Pull-up Control Register (P3PUR)................................................................9-14
Port 4 Control Register, High Byte (P4CONH)........................................................9-16
Port 4 Control Register, Middle Byte (P4CONM).....................................................9-16
Port 4 Control Register, Low Byte (P4CONL) .........................................................9-17
Port 4 Pull-up Control Register (P4PUR)................................................................9-17
Port 4 and 5 Interrupt Control Register (P4n5INT)....................................................9-18
Interrupt Pending Register 2 (INTPND2).................................................................9-18
Port 5 Control Register, High-Byte (P5CONH)........................................................9-19
Port 5 Control Register, Low-Byte (P5CONL) .........................................................9-20
Port 4 and 5 Interrupt Control Register (P4n5INT)....................................................9-20
Interrupt Pending Register 2 (INTPND2).................................................................9-21