Samsung S3C9442, S3C9444, S3C9452, S3C9454, S3F9444 Datasheet

S3C9442/C9444/F9444/C9452/C9454/F9454 PRODUCT OVERVIEW

1 PRODUCT OVERVIEW

SAM88RCRI PRODUCT FAMILY

Samsung's SAM88RCRI family of 8-bit single-chip CMOS microcontrollers offers a fast and efficient CPU, a wide
range of integrated peripherals, and various mask-programmable ROM sizes.

A address/data bus architecture and a large number of bit-configurable I/O ports provide a flexible programming
environment for applications with varied memory and I/O requirements. Timer/counters with selectable operating
modes are included to support real-time operations.

S3C9442/C9444/C9452/C9454 MICROCONTROLLER

The S3C9442/C9444/C9452/C9454 single-chip 8-bit microcontroller is designed for useful A/D converter , SIO
application field. The S3C9442/C9444/C9452/C9454 uses powerful SAM88RCRI CPU and
S3C9442/C9444/C9452/C9454 architecture. The internal register file is logically expanded to increase the on­chip register space.
The S3C9442/C9444/C9452/C9454 has 2K/4K bytes of on-chip program ROM and 208 bytes of RAM. The
S3C9442/C9444/C9452/C9454 is a versatile general-purpose microcontroller that is ideal for use in a wide range
of electronics applications requiring simple timer/counter, PWM. In addition, the S3C9442/C9444/C9452/C9454’s
advanced CMOS technology provides for low power consumption and wide operating voltage range.

Using the SAM88RCRI design approach, the following peripherals were integrated with the SAM88RCRI core:
— Three configurable I/O ports (18 pins)

— Four interrupt sources with one vector and one interrupt level
— One 8-bit timer/counter with time interval mode
— Analog to digital converter with nine input channels and 10-bit resolution
— One 8-bit PWM output

The S3C9442/C9444/C9452/C9454 microcontroller is ideal for use in a wide range of electronic applications
requiring simple timer/counter, PWM, ADC. S3C9452/C9454 is available in a 20/16-pin DIP and a 20-pin SOP
package. S3C9452/C9454 is available in a 8-pin and a 8-pin SOP package.

MTP

The S3F9444/F9454 is an MTP (Multi Time Programmable) version of the S3C9442/C9444/C9452/C9454
microcontroller. The S3F9444/F9454 has on-chip 4-Kbyte multi-time programmable flash ROM instead of
masked ROM. The S3F9444/F9454 is fully compatible with the S3C9442/C9444/C9452/C9454, in function, in
D.C. electrical characteristics and in pin configuration.

1-1

PRODUCT OVERVIEW S3C9442/C9444/F9444/C9452/C9454/F9454

FEATURES

CPU

• SAM88RCRI CPU core

• The SAM88RCRI core is low-end version of the

current SAM87 core.

Memory

• 2/4-Kbyte internal program memory

• 208-byte general purpose register area

Instruction Set

• 41 instructions

• The SAM88RCRI core provides all the SAM87

core instruction except the word-oriented
instruction, multiplication, division, and some
one-byte instruction.

Instruction Execution Time

• 400 ns at 10 MHz f

OSC

(minimum)

Interrupts

• 4 interrupt sources with one vector

• One interrupt level

Timer/Counters

• One 8-bit basic timer for watchdog function

• One 8-bit timer/counter with time interval modes

A/D Converter

• Nine analog input pins

• 10-bit conversion resolution

Oscillation Frequency

• 1 MHz to 10 MHz external crystal oscillator

• Maximum 10 MHz CPU clock

• Internal RC: 3.2 MHz (typ.), 0.5 MHz (typ.) in

VDD = 5 V

Operating Temperature Range

• – 40°C to + 85°C

Operating Voltage Range

• 2.0 V (LVR Level) to 5.5 V

Smart Option

General I/O

• Three I/O ports (Max 18 pins)

• Bit programmable ports

8-bit High-speed PWM

• 8-bit PWM 1-ch (Max: 156 kHz)

• 6-bit base + 2-bit extension

Built-in reset Circuit

• Low voltage detector for safe reset

Package Types

• S3C9452/C9454:
– 20-DIP-300A

– 20-SOP-375
– 16-DIP-300A

• S3C9442/C9444
– 8-DIP-300
– 8-SOP-225

1-2

S3C9442/C9444/F9444/C9452/C9454/F9454 PRODUCT OVERVIEW

P0.0/ADC0/INT0

P0.1/ADC1/INT1

BLOCK DIAGRAM

X

X

IN

OUT

OSC

Basic
Timer

Timer 0

Port I/O and

Interrupt Control

88RCRI

SAMRI CPU

Port 0

Port 1

P0.2/ADC2

...

P0.7/ADC7

P1.0
P1.1
P1.2

ADC0-ADC8

P0.6/PWM

ADC

PWM

NOTE:

2 KB ROM
4 KB ROM

P1.2 is used as input only

Figure 1-1. Block Diagram

208 Byte

Register file

Port 2

P2.0/T0
P2.1

...

P2.6

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PRODUCT OVERVIEW S3C9442/C9444/F9444/C9452/C9454/F9454

PIN ASSIGNMENTS

20
19
18
17
16
15
14
13
12
11

VDD
P0.0/ADC0/INT0
P0.1/ADC1/INT1
P0.2/ADC2
P0.3/ADC3
P0.4/ADC4
P0.5/ADC5
P0.6/ADC6/PWM
P0.7/ADC7
P2.6/ADC8/CLO

XIN/P1.0

XOUT/P1.1

RESET

P2.0/T0

VSS

/P1.2

P2.1
P2.2
P2.3
P2.4
P2.5

1
2
3
4
5

S3C9452/C9454

6
7
8
9
10

(20-DIP-300A/

20-SOP-375)

Figure 1-2. Pin Assignment Diagram (20-Pin DIP/SOP Package)

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S3C9442/C9444/F9444/C9452/C9454/F9454 PRODUCT OVERVIEW

VDD
P0.0/ADC0/INT0
P0.1/ADC1/INT1
P0.2/ADC2
P0.3/ADC3
P0.4/ADC4
P0.5/ADC5
P0.6/ADC6/PWM

9

XIN/P1.0

XOUT/P1.1

RESET

P2.0/T0

VSS

/P1.2

P2.1
P2.2
P2.3

1
2
3

S3C9452/C9454

4
5
6
7
8

(16-DIP-300A)

16
15
14
13
12
11
10

Figure 1-3. Pin Assignment Diagram (16-Pin DIP Package)

VDD

VSS

1

8

S3C9442/C9444

P0.0/ADC0/INT0

XIN/P1.0

XOUT/P1.1

RESET

/P1.2

2
3
4

(8-DIP-300

8-SOP-225)

Figure 1-4. Pin Assignment Diagram (8-Pin DIP/SOP Package)

7

P0.1/ADC1/INT1

6

P0.2/ADC2

5

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PRODUCT OVERVIEW S3C9442/C9444/F9444/C9452/C9454/F9454

PIN DESCRIPTIONS

Table 1-1. S3C9452/C9454 Pin Descriptions

Pin

Name

P0.0–P0.7 I/O Bit-programmable I/O port for Schmitt trigger input or

In/Out Pin Description Pin

Type

E-1 ADC0–ADC7
push-pull output. Pull-up resistors are assignable by
software. Port0 pins can also be used as A/D converter

Share

Pins

INT0/INT1

PWM

input, PWM output or external interrupt input.

P1.0–P1.1 I/O Bit-programmable I/O port for Schmitt trigger input or

E-2

X

IN, XOUT

push-pull, open-drain output. Pull-up resistors or pull-down
resistors are assignable by software.

P1.2 I Schmitt trigger input port B
P2.0–P2.6 I/O Bit-programmable I/O port for Schmitt trigger input or

push-pull, open-drain output. Pull-up resistors are

X

IN, XOUT

RESET

V

DD, VSS

assignable by software.

– Crystal/Ceramic, or RC oscillator signal for system clock. P1.0–P1.1

I Internal LVR or External RESET B P1.2

– Voltage input pin and ground –

E-1

E

RESET

–

ADC8/CLO

T0

CLO O System clock output port E-1 P2.6
INT0–INT1 I External interrupt input port E-1 P0.0, P0.1
PWM O 8-Bit high speed PWM output E-1 P0.6
T0 O Timer0 match output E-1 P2.0
ADC0–ADC8 I A/D converter input E-1

E

P0.0–P0.7

P2.6

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S3C9442/C9444/F9444/C9452/C9454/F9454 PRODUCT OVERVIEW

PIN CIRCUITS

VDD

P-channel

IN

Figure 1-5. Pin Circuit Type A

Data

Output

DIsable

N-channel

VDD

Out

IN

Figure 1-6. Pin Circuit Type B

Pull-up
Enable

Data

Output

Disable

Circuit

Type C

VDD

I/O

Figure 1-7. Pin Circuit Type C

Digital

Input

Figure 1-8. Pin Circuit Type D

1-7

PRODUCT OVERVIEW S3C9442/C9444/F9444/C9452/C9454/F9454

VDD

Open-drain

Enable

Pull-up

P2CONH

P2CONL

VDD

enable

Alternative

Output

P2.x

M
U

X

Output Disable

(Input Mode)

Digital

Input

Analog Input

Enable

ADC

P0CONH

Data

Figure 1-9. Pin Circuit Type E

VDD

P-CH

I/O

N-CH

VDD

Pull-up
enable

1-8

Alternative

Output

P0.x

M
U

X

Output Disable

(Input Mode)

Digital Input

Interrupt Input

Analog Input

Enable

ADC

P-CH

Data

I/O

N-CH

Figure 1-10. Pin Circuit Type E-1