S3C8285 View Datasheet(PDF) - Samsung

Part Name

Description

Manufacturer

S3C8285

8-BIT CMOS MICROCONTROLLERS

Samsung 

Figure

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xii

List of Figures (Continued)

Title

Page

Number

Register Description Format ...................................................................................... 4-4

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

S3C828B/C8289/C8285 Interrupt Structure .............................................................. 5-4

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

Interrupt Function Diagram ........................................................................................ 5-8

System Mode Register (SYM) ................................................................................... 5-10

Interrupt Mask Register (IMR) ................................................................................... 5-11

Interrupt Request Priority Groups .............................................................................. 5-12

Interrupt Priority Register (IPR) ................................................................................. 5-13

Interrupt Request Register (IRQ)............................................................................... 5-14

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

Oscillator Control Register (OSCCON) ..................................................................... 7-5

STOP Control Register (STPCON)............................................................................ 7-5

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

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

Port 0 High-Byte Interrupt Control Register (P0INTH)............................................... 9-5

Port 0 Low-Byte Interrupt Control Register(P0INTL) ................................................. 9-5

Port 0 Interrupt Pending Register (P0PND)............................................................... 9-6

Port 1 High-Byte Control Register (P1CONH)........................................................... 9-7

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

Port 1 Pull-up Resistor Enable Register (P1PUR)..................................................... 9-8

Port 2 High-Byte Control Register (P2CONH)........................................................... 9-9

Port 2 Low-Byte Control Register (P2CONL) ............................................................ 9-10

Port 3 High-Byte Control Register (P3CONH)........................................................... 9-11

Port 3 Low-Byte Control Register (P3CONL) ............................................................ 9-12

Port 4 High-Byte Control Register (P4CONH)........................................................... 9-13

Port 4 Low-Byte Control Register (P4CONL) ............................................................ 9-14

Port 4 Pull-up Resistor Enable Register (P4PUR)..................................................... 9-14

Port 5 High-Byte Control Register (P5CONH)........................................................... 9-15

Port 5 Low-Byte Control Register (P5CONL) ............................................................ 9-16

Port 5 Pull-up Resistor Enable Register (P5PUR)..................................................... 9-16

Port 6 High-byte Control Register (P6CONH) ........................................................... 9-17

Port 6 Low-byte Control Register (P6CONL)............................................................. 9-18

Port 7 Control Register (P7CON) .............................................................................. 9-19

Port 8 Control Register (P8CON) .............................................................................. 9-20

S3C828B/F828B/C8289/F8289/C8285/F8285 MICROCONTROLLER

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