Samsung 8-Bit CMOS Microcontroller, S3C9228/P9228 user manual Block Diagram

S3C9228/P9228 PRODUCT OVERVIEW

BLOCK DIAGRAM

TAOUT/	8-Bit Timer/
P0.0	CounterA
T1CLK/	8-Bit Timer/
P0.1	CounterB

P0.0/TAOUT/INT

P0.1/T1CLK/INT

P0.2/INT

P0.3/BUZ/INT

P0.4

P0.5

P1.0/AD0/INT

P1.1/AD1/INT

P1.2/AD2/INT

P1.3/AD3/INT

P2.0/SCK/SEG1

P2.1/SO/SEG0

P2.2/SI

P2.3

P3.0/INTP/SEG3

P3.1/INTP/SEG2

P4.0-P4.7/

SEG4-SEG11

P5.0-P5.3/

SEG12-SEG15

P5.4-P5.7/

SEG16-SEG19/

COM7-COM4

16-Bit Timer/ Counter1

I/O Port 0

I/O Port 1

I/O Port 2

I/O Port 3

I/O Port 4

I/O Port 5

	XIN	XOUT
RESET	XT IN	XTOUT	Watchdog
			Timer
			Basic Timer
Port I/O and Interrupt
	Control		Watch Timer	BUZ/P0.3
				COM0-COM3/P6.3-P6.0
				COM4-COM7/
				SEG19-SEG16/P5.7-P5.4
SAM88RCRI CPU			LCD	SEG0-SEG1/P2.1-P2.0
			Driver/	SEG2-SEG3/P3.1-P3.0
			Controller
				SEG4-SEG11/P4.0-P4.7
				SEG12-SEG15/P5.0-P5.3
8-Kbyte		264-Byte		P2.0/SCK/SEG1
		Register	SIO	P2.1/SO/SEG0
ROM
		File		P2.2/SI
			A/D Converter	P1.0-P1.3/AD0-AD3
			I/O Port 6	P6.0-P6.3/COM3-COM0

Figure 1-1. Block Diagram

1-3