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PDF SC73P2602 Data sheet ( Hoja de datos )
| Número de pieza | SC73P2602 | |
| Descripción | PROGRAMMABLE INFRARED REMOTE TRANSMITTER | |
| Fabricantes | Silan Microelectronics | |
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PROGRAMMABLE INFRARED REMOTE TRANSMITTER WITH BUILT-IN
TRANSISTOR
DESCRIPTION
SC73P2602 is SC73 core based programmable remote
transmitter (4-bit MCU) with infrared transmitting transistor and
built-in 2K OTP program memory supporting in-system program
(ISP) which can optimize the stock control.
Due to the infrared transmitting transistor embedded, few
periphery components are needed and the cost is reduced.
And the quick mask function that SC73P2602 supported can meet
the mass production delivery requirements as soon as possible
due to its mask cycle is 2~3 weeks less than the traditional mask
cycle.
SC73P2602 is available in several packages and pin to pin
compatible with all the products of SC73C16 and SC73P16 series.
FEATURES
∗ SC73 core.
∗ 2K×9 bit OTP and 32×4 bit RAM
∗ Built-in infrared transmitting transistor: IOL =
350mA.
∗ Support external infrared transmitting transistor.
∗ Internal carrier generator.
∗ Internal power-on clear circuit (POC).
∗ Internal watchdog timer (WDT).
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BLOCK DIAGRAM
∗ 3-level program stack.
∗ Support low voltages detect (LVD).
∗ Supports In-System Programming (ISP).
∗ Oscillator frequency: FOSC=4MHz (Typ.).
∗ System clock: FMAIN= FOSC /8.
∗ Instruction period: 5/ FMAIN.
∗ Operating voltage: 1.8V~3.6V, quiescent current is
no higher than 1μA.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: //www.silan.com.cn
REV:1.1 2009.11.19
Page 1 of 28
1 page  
PIN CONFIGURATIONS
www.DataSheet4U.com
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: //www.silan.com.cn
REV:1.1 2009.11.19
Page 5 of 28
5 Page 
Reset value for timer is 1FFFFH, and it counts down.
WDT overflow reset signal is generated if the 17th bit of timer is converted from “1” to “0”.
Timer is reset if system is reset (including power-up reset, low-voltage reset and WDT overflow reset), HOLD is
cleared or reset instruction TMRST is executed.
Program is only executed when the 12th bit of time is converted from “1” to “0” after HOLD cleared.
18. Carrier generator
Various carrier with different duty factors and frequencies are generated through setting high/low level duration by
carrier register (see CH0, CH1, CL0, CL1 description).
19. I/O port
SC73P2602 has 5 groups (20 in all) of I/O ports and most have both input/output modes (except P00 and P01
can only be used as input and P53 can only be used as output), details are as follows:
P00-P01: input pin with pull-up resistor. It can be used for keyboard scan input and input low level can clear
HOLD status;
P02-P03: input/output port. The input/output characteristic is decided by PR. When used as input port, it has pull-
up resistor and can be used as keyboard scan input, input low level can clear HOLD status; when used as output
pin, it can be used for keyboard scan output and output low level can drive LED directly.
P10-P13: same as P02;
P20-P23: same as P02;
P30-P33: same as P02;
P50-P52: same as P02;
P53: output infrared remote signal with carrier. There are two structures: push-pull structure is for external
infrared emitter driving and big current open-drain structure is for driving infrared emitter directly, with
opposite pole of the former structure.
www.DataSheet4U.com
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: //www.silan.com.cn
REV:1.1 2009.11.19
Page 11 of 28
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| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet SC73P2602.PDF ] | |
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