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PDF S3C821A Data sheet ( Hoja de datos )
| Número de pieza | S3C821A | |
| Descripción | S3C8-SERIES MICROCONTROLLES | |
| Fabricantes | Samsung semiconductor | |
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Hay una vista previa y un enlace de descarga de S3C821A (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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S3C821A/P821A
1 PRODUCT OVERVIEW
PRODUCT OVERVIEW
S3C8-SERIES MICROCONTROLLES
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. Among the major CPU features are:
— 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 of six CPU clocks) can be assigned to
specific interrupt levels.
S3C821A/P821A MICROCONTROLLER
The S3C821A/P821A single-chip CMOS
microcontroller is fabricated using the highly
advanced CMOS process, based on Samsung’s
newest CPU architecture.
The S3C821A is a microcontroller with a 48-Kbyte
mask-programmable ROM embedded.
The S3P821A is a microcontroller with a 48-Kbyte
one-time-programmable ROM embedded.
Using a proven modular design approach, Samsung
engineers have successfully developed the
S3C821A/P821A by integrating the following
peripheral modules with the powerful SAM8 core:
— Six programmable I/O ports, including five 8-bit
OTP
ports and one 7-bit port, for a total of 47 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.
— Watch timer for real time.
— 4-input A/D converter
— Serial I/O interface
The S3C821A/P821A is versatile microcontroller for
cordless phone, pager, etc. They are currently
available in 80-pin TQFP and 80-pin QFP package.
The S3P821A is an OTP (One Time Programmable) version of the S3C821A microcontroller. The S3P821A
microcontroller has an on-chip 48-Kbyte one-time-programmable EPROM instead of a masked ROM. The
S3P821A is comparable to the S3C821A, both in function and in pin configuration.
1-1
1 page  
S3C821A/P821A
PRODUCT OVERVIEW
P0.7/SEG23/A15
P1.0/SEG24/AD0
P1.1/SEG25/AD1
P1.2/SEG26/AD2
P1.3/SEG27/AD3
P1.4/SEG28/AD4
P1.5/SEG29/AD5
P1.6/SEG30/AD6
P1.7/SEG31/AD7
P2.0/AS
P2.1/DR
VDD1(INT)
VSS1
XOUT
XIN
TEST
XTIN
XTOUT
RESET
P2.2/DW
P2.3/DM
P2.4/INT0/T0CK
P2.5/INT1/T1CK
P2.6/INT2/TA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
S3C821A
(80-QFP)
64 SEG6
63 SEG5
62 SEG4
61 SEG3/COM7
60 SEG2/COM6
59 SEG1/COM5
58 SEG0/COM4
57 COM3
56 COM2
55 COM1
54 COM0
53 VDD2 (EXT)
52 VSS2
51 VLC1
50 P5.6
49 P5.5
48 P5.4
47 P5.3/BUZ
46 P5.2/SO
45 P5.1/SI
44 P5.0/SCK
43 P4.7/INT11
42 P4.6/INT10
41 P4.5/INT9
Figure 1-3. S3C821A Pin Assignments (80-QFP-1420C)
1-5
5 Page 
S3C821A/P821A
PRODUCT OVERVIEW
VLC1
VLC3
VLC4
VSS
OUTPUT
Figure 1-10. Pin Circuit Type H-29
VLC1
VLC2
VLC3
VLC4
VLC5
VSS
OUTPUT
Figure 1-12. Pin Circuit Type H-31
VLC1
VLC2
VLC5
VSS
OUTPUT
Figure 1-11. Pin Circuit Type H-30
1-11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet S3C821A.PDF ] | |
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