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PDF S3P8095 Data sheet ( Hoja de datos )

Número de pieza S3P8095
Descripción S3C8-SERIES MICROCONTROLLERS
Fabricantes Samsung semiconductor 
Logotipo Samsung semiconductor Logotipo



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S3C8095/P8095
1 PRODUCT OVERVIEW
PRODUCT OVERVIEW
S3C8-SERIES MICROCONTROLLERS
Samsung's S3C8 series 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. Important CPU features include:
— Efficient register-oriented architecture
— Selectable CPU clock sources
— Idle and Stop power-down mode release by interrupt
— Built-in basic timer with watchdog function
A sophisticated interrupt structure recognizes up to eight interrupt levels. Each level can have one or more
interrupt sources and vectors. Fast interrupt processing (within a minimum six CPU clocks) can be assigned to
specific interrupt levels.
S3C8095/P8095 MICROCONTROLLER
The S3C8095/P8095 single-chip CMOS
microcontroller is fabricated using a highly advanced
CMOS process and is based on Samsung’s newest
CPU architecture.
The S3C8095 is the microcontroller which has 16-
Kbytes mask-programmable ROM.
The S3P8095 is the microcontroller which has 16-
Kbytes one-time-programmable EPROM.
Using a proven modular design approach, Samsung
engineers developed the S3C8095/P8095 by
integrating the following peripheral modules with the
powerful SAM87 core:
— Four programmable I/O ports, including three
8-bit ports and one 2-bit port, for a total of 26
pins.
— Twelve bit-programmable pins for external
interrupts.
— One 8-bit basic timer for oscillation stabilization
and watchdog functions (system reset).
— One 8-bit timer/counter and one 16-bit
timer/counter with selectable operating modes.
— One 8-bit counter with auto-reload function and
one-shot or repeat control.
The S3C8095 is a versatile general-purpose
microcontroller. It is currently available in a 32-pin
SOP and SDIP package.
Figure 1-1. S3C8095 Microcontroller
1-1

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S3P8095 pdf
S3C8095/P8095
PRODUCT OVERVIEW
PIN DESCRIPTIONS
Pin
Names
P0.0–P0.7
P1.0–P1.7
P2.0–P2.3
P2.4–P2.7
P3.0
P3.1
XIN, XOUT
RESET
TEST
VDD
VSS
Table 1-1. Pin Descriptions
Pin
Type
Pin
Description
Circuit
Type
I/O I/O port with bit-programmable pins.
Configurable to input or push-pull output
mode. Pull-up resistors are assignable by
software. Pins can be assigned individually
as external interrupt inputs with noise filters,
interrupt enable/ disable, and interrupt
pending control.
1
I/O I/O port with bit-programmable pins.
Configurable to Schmitt trigger input mode
or output mode. Pin circuits are either push-
pull or n-channel open-drain type. Pull-up
resistors are assignable by software.
3
I/O General-purpose I/O port with bit-
programmable pins. Configurable to
Schmitt trigger input mode, push-pull output
mode, or n-channel open-drain output
mode. Pull-up resistors are assignable by
software. Lower nibble pins, P2.3–P2.0, can
be assigned as external interrupt inputs with
noise filters, interrupt enable/disable, and
interrupt pending control.
2
3
I/O 2-bit I/O port with bit-programmable pins.
Configurable to Schmitt trigger input mode,
push-pull output mode, or n-channel open-
drain output mode. Pull-up resistors are
assignable by software. The two port 3 pins
have high current drive capability.
4
– System clock input and output pins
I System reset signal input pin with schmitt
trigger circuit.
I Test signal input pin (for factory use only;
must be connected to VSS).
– Power supply input pin
5
– Ground pin
Pin No.
9–16
Shared
Functions
INT0–INT4
17–24
5–8,
25–28
INT5–INT8
29 T0PWM/
30 T0CAP/
T1CAP/
REM/T0CK
2, 3 –
31 –
4–
32 –
1–
1-5

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S3P8095 arduino
S3P8095 OTP
S3C8095/P8095
Pin Name
A0 - A13
D0 - D7
MODE
CE
OE
PGM
MEM_REG
VDD
VPP
VSS
XIN
XOUT
Table 13–1. Pin Descriptions used to read/write the EPROM
Pin No.
7 - 16, 25 - 28
17 - 24
4
30
29
I/O Function
O Address lines to read/write EPROM
I/O 8-bit data input/output lines to read/write EPROM
— Select EPROM mode.
I Chip enable (Connect to VSS, when read/write EPROM)
I Output enable
5 I EPROM Program enable
6 I Select Memory space of EPROM
32 – Supply voltage (normally 5 V)
31 – EPROM Program/Verify voltage (normally 12.5 V)
1 – GROUND
2 – System Clock input pin
3 – System Clock output pin
CHARACTERISTICS OF EPROM OPERATION
When +12.5 V is supplied to VPP and MODE pins of the S3P8095, the EPROM programming mode is entered.
The operating mode (read, write) is selected according to the input signals to the pins listed in Table2 as below.
Table 13-2. Operating Mode Selection Criteria
VDD MODE VPP
PGM
MEM
5 V VPP 12.5 V 1
1
01
11
OE
0 READ
Mode
1 PROGRAM
0 PROGRAM VERIFY
NOTE: "0" means Low level; "1" means High level.
13-2

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