S3C8274 データシートの表示（PDF） - Samsung

部品番号

コンポーネント説明

メーカー

S3C8274

8-BIT CMOS MICROCONTROLLERS

Samsung 

Figure

Number

5-1

5-2

5-3

5-4

5-5

5-6

5-7

5-8

5-9

6-1

7-1

7-2

7-3

7-4

7-5

7-6

7-7

7-8

7-9

7-10

7-11

7-12

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

List of Figures

Title

Page

Number

S3C8-Series Interrupt Types .................................................................................5-2

S3C8275/C8278/C8274 Interrupt Structure.............................................................5-3

ROM Vector Address Area...................................................................................5-4

Interrupt Function Diagram ...................................................................................5-7

System Mode Register (SYM) ..............................................................................5-9

Interrupt Mask Register (IMR) ...............................................................................5-10

Interrupt Request Priority Groups ..........................................................................5-11

Interrupt Priority Register (IPR) .............................................................................5-12

Interrupt Request Register (IRQ) ...........................................................................5-13

System Flags Register (FLAGS)...........................................................................6-6

Crystal/Ceramic Oscillator (fx)..............................................................................7-2

External Oscillator (fx) .........................................................................................7-2

RC Oscillator (fx).................................................................................................7-2

Crystal Oscillator (fxt, Normal)..............................................................................7-2

Crystal Oscillator (fxt, for Low Current) ..................................................................7-2

External Oscillator (fxt) ........................................................................................7-2

System Clock Circuit Diagram..............................................................................7-3

System Clock Control Register (CLKCON).............................................................7-4

Clock Output Control Register (CLOCON)..............................................................7-5

Clock Output Block Diagram ................................................................................7-5

Oscillator Control Register (OSCCON)...................................................................7-6

STOP Control Register (STPCON) ........................................................................7-8

S3C8275/C8278/C8274 I/O Port Data Register Format............................................9-2

Port 0 High-Byte Control Register (P0CONH) .........................................................9-4

Port 0 Low-Byte Control Register (P0CONL) ..........................................................9-4

Port 0 Pull-up Control Register (P0PUR)................................................................9-5

External Interrupt Control Register, Low Byte (EXTICONL).......................................9-5

External Interrupt Pending Register (EXTIPND).......................................................9-6

Port 1 High-Byte Control Register (P1CONH) .........................................................9-8

Port 1 Low-Byte Control Register (P1CONL) ..........................................................9-8

Port 1 Pull-up Control Register (P1PUR)................................................................9-9

External Interrupt Control Register, High Byte (EXTICONH)......................................9-9

External Interrupt Control Register, Low Byte (EXTICONL).......................................9-10

External Interrupt Pending Register (EXTIPND).......................................................9-10

Port 2 High-byte Control Register (P2CONH)..........................................................9-11

Port 2 Low-byte Control Register (P2CONL)...........................................................9-12

Port 2 Pull-up Control Register (P2PUR)................................................................9-12

Port 3 High Byte Control Register (P3CONH) .........................................................9-13

Port 3 Low Byte Control Register (P3CONL) ..........................................................9-14

Port 3 Pull-up Control Register (P3PUR)................................................................9-14

xii

S3C8275/F8275/C8278/F8278/C8274/F8274 MICROCONTROLLER

Share Link: