Samsung C8278X ユーザーズマニュアル
xii S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X
MICROCONTROLLER
List of Figures
Figure Title
Page
Number
Number
5-1
S3C8-Series Interrupt Types ..................................................................................... 5-2
5-2
S3C8275X/C8278X/C8274X Interrupt Structure ....................................................... 5-3
5-3
ROM Vector Address Area ........................................................................................ 5-4
5-4
Interrupt Function Diagram ........................................................................................ 5-7
5-5
System Mode Register (SYM) ................................................................................... 5-9
5-6
Interrupt Mask Register (IMR) ................................................................................... 5-10
5-7
Interrupt Request Priority Groups .............................................................................. 5-11
5-8
Interrupt Priority Register (IPR) ................................................................................. 5-12
5-9
Interrupt Request Register (IRQ)............................................................................... 5-13
6-1
System Flags Register (FLAGS) ............................................................................... 6-6
7-1
Crystal/Ceramic Oscillator (fx) ................................................................................... 7-2
7-2
External Oscillator (fx)................................................................................................ 7-2
7-3
RC Oscillator (fx)........................................................................................................ 7-2
7-4
Crystal Oscillator (fxt)................................................................................................. 7-2
7-5
External Oscillator (fxt)............................................................................................... 7-2
7-6
System Clock Circuit Diagram ................................................................................... 7-3
7-7
System Clock Control Register (CLKCON) ............................................................... 7-4
7-8
Clock Output Control Register (CLOCON) ................................................................ 7-5
7-9
Clock Output Block Diagram...................................................................................... 7-5
7-10
Oscillator Control Register (OSCCON) ..................................................................... 7-6
7-11
STOP Control Register (STPCON)............................................................................ 7-8
9-1
S3C8275X/C8278X/C8274X I/O Port Data Register Format .................................... 9-2
9-2
Port 0 High-Byte Control Register (P0CONH)........................................................... 9-4
9-3
Port 0 Low-Byte Control Register (P0CONL) ............................................................ 9-4
9-4
Port 0 Pull-up Control Register (P0PUR) .................................................................. 9-5
9-5
External Interrupt Control Register, Low Byte (EXTICONL)...................................... 9-5
9-6
External Interrupt Pending Register (EXTIPND) ....................................................... 9-6
9-7
Port 1 High-Byte Control Register (P1CONH)........................................................... 9-8
9-8
Port 1 Low-Byte Control Register (P1CONL) ............................................................ 9-8
9-9
Port 1 Pull-up Control Register (P1PUR) .................................................................. 9-9
9-10
External Interrupt Control Register, High Byte (EXTICONH) .................................... 9-9
9-11
External Interrupt Control Register, Low Byte (EXTICONL)...................................... 9-10
9-12
External Interrupt Pending Register (EXTIPND) ....................................................... 9-10
9-13
Port 2 High-byte Control Register (P2CONH) ........................................................... 9-11
9-14
Port 2 Low-byte Control Register (P2CONL)............................................................. 9-12
9-15
Port 2 Pull-up Control Register (P2PUR) .................................................................. 9-12
9-16
Port 3 High Byte Control Register (P3CONH) ........................................................... 9-13
9-17
Port 3 Low Byte Control Register (P3CONL) ............................................................ 9-14
9-18
Port 3 Pull-up Control Register (P3PUR) .................................................................. 9-14