KS57C0004 datasheet(7/59 Pages) SAMSUNG

Part #	KS57C0004

Description	4-BIT CMOS Microcontroller

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Manufacturer	SAMSUNG [Samsung semiconductor]

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PRODUCT SPECIFICATION

KS57C0002 /0004 MICROCONTROLLER

G

ELECTRONICS

SMSU N G

SMSU N

2–7

September 1996

PROGRAM MEMORY (ROM)

ROM maps for KS57C0002/0004 devices are mask

programmable at the factory. In their standard

configuration, the device's 2048

× 8-bit (KS57C0002),

or 4096

× 8-bit (KS57C0004) program memory has

four areas that are directly addressable by the

program counter ( PC):

— 16-byte general-purpose area

— 16-byte area for vector addresses

— 96-byte instruction reference area

— 1920-byte (KS57C0002), 3968-byte (KS57C0004)

general-purpose area

GENERAL-PURPOSE

AREA

GENERAL-PURPOSE

AREA 1

VECTOR

ADDRESS AREA

INSTRUCTION

REFERENCE AREA

0000H

000FH

0010H

001FH

0020H

007FH

0080H

0FFFH

07FFH

0800H

GENERAL-PURPOSE

AREA 2

KS57C0004

KS57C0002

Figure 12. ROM Map

7654

32

10

RESET

INTB

INT0

INT1

INTS

INTT0

0000H

0002H

0004H

0006H

0008H

000AH

Figure 13. Vector Address Map

DATA MEMORY (RAM)

In its standard configuration, the 256

× 4 -bit

(KS57C0002), or the 512

×4-bit (KS57C0004) data

memory has four areas:

— 32

×4-bit working registers

— 224

× 4-bit general-purpose area in bank0 which

is also used as the stack area

— 256

×4 -bit general-purpose area in bank1

(KS57C0004 only)

— 128

× 4-bit area in bank 15 for memory-mapped

I/O addresses

I/O MAP FOR HARDWARE REGISTERS

Table 3 contains detailed information about I/O

mapping for peripheral hardware in bank 15 (register

locations F80H–FFFH).

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KS57C0004 Datasheet(PDF) 7 Page - Samsung semiconductor

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