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PDF SD6830 Data sheet ( Hoja de datos )
| Número de pieza | SD6830 | |
| Descripción | 4BIT MICROCONTROLLER | |
| Fabricantes | AUK | |
| Logotipo |  |
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t4U.com SD6830Semiconductor
4BIT MICROCONTROLLER
hee1. Description
taSSD6830 is a remote control transmitter, consists of the optimized 4-bit CPU with ROM and
aRAM. It contains power-on reset, watchdog timer and carrier frequency generator. The
.DSD6830 provide a various carrier frequency for encoding output of key matrix and has
wbuilt-in transistor to drive infrared LED. The SD6830 is supported with a software
wwdevelopment tool, which allows code development in a PC environment. It allows the user
to simulate the SD6830 on an instruction level.
om2. Features
• Number of basic instructions ------------------------------------- 45
.c• Instruction cycle time (one word instruction)
At Fsys=480KHz ---------------------------------------- 16.67uS
UAt Fsys=455kHz ---------------------------------------- 17.58uS
• Memory size
t4ROM --------------------------------------------------- 1024 x 8 Bits
RAM ------------------------------------------------------ 32 x 4 Bits
e• Input ports (D0 ~ D3, E0 ~ E3 : with pull-up resistor)
• Output ports (C, G, K, F0 ~ F7)
e• Carrier frequency generator
hFsys/12 (1/2 duty), Fsys/12 (1/3 duty), Fsys/12 (1/4 duty),
Fsys/8 (1/2 duty), Fsys/8 (1/4 duty), Fsys/11 (4/11 duty), No carrier
S• Watchdog Timer
ta• Built-in power on reset
• Single power supply ------------------------------------------------ 1.8V ~ 3.6V
a• Power dissipation (stop mode , VDD = 3V) ----------------------- Less than 3uW
• Package ------------------------------------------------------------- 20/24 DIP, 20/24 SOP
.D• Low-power system applications such as an infrared remote controller
• MASK OPTION
w1. Divide ratio of the oscillator frequency
2. Whether connected infrared LED driver or not
ww* Descriptions of this spec sheet assume that the SD6830 include driver for infrared LED.
3. Ordering Information
Type NO.
SD6830P-option
SD6830-option
SD6830P-option
SD6830-option
Marking
SD6830P-option
SD6830-option
SD6830P-option
SD6830-option
KSI-W002-000
.comPackage Code
UDIP20
et4SOP20
heDIP24
www.DataSSOP24
1
1 page  
5.5 I/O CIRCUIT SCHEMATICS
TYPE A
VDD
30ΚΩ∼150ΚΩ
PIN DATA
TYPE B
DATA
CARRIER
CLOCK
VSS
TYPE C
VDD
TYPE D
SD6830
VDD
PIN
PIN
VSS
VDD
DATA
STOP
PIN
VSS
DATA
PIN
VSS
NNOoTtEe::IfIfSTSOTPOmPomdeoidsespiescsifpieedc,itfhieedT,YtPhEeCToYutPpEut Cbecooumtpeust"Lb"esctoatmeeasnd“tLh”e TsYtaPtEe Banoduttphuet bTeYcoPmEesBflooautitnpgut becomes floating
stasttea,teth,ethTeYPTEYDPoEutDputomutapinuttaimnsapinretvaioinuss sptraetve.ious state
Figure 5-5. I/O Circuit Schematics
KSI-W002-000
5
5 Page 
6.10 Carrier frequency generator
SD6830
One of seven carrier frequencies can be selected and transmitted through the C/REM pin by
programming the register Z and port C.
Fos c/12 (1/2 duty )
Fos c/12 (1/3 duty )
Fos c/12 (1/4 duty )
Fos c/8 (1/2 duty )
Fos c/8 (1/4 duty )
Fos c/11 (4/11 duty )
V dd ( No carrier )
Register Z output
7×1
MUX
3
C/REM
V SS
Port C DATA
Fs y s
Port C DATA
C/REM OUTPUT
(Fs y s /12, 1/2 duty )
C/REM OUTPUT
(Fs y s /12, 1/3 duty )
C/REM OUTPUT
(Fs y s /12, 1/4 duty )
C/REM OUTPUT
(Fs y s /8, 1/2 duty )
C/REM OUTPUT
(Fs y s /8, 1/4 duty )
C/REM OUTPUT
(Fs y s /11, 4/11
duty )
C/REM OUTPUT
(No carrier)
Figure 6-3 PORT C/REM and Carrier Output
KSI-W002-000
11
11 Page | ||
| Páginas | Total 34 Páginas | |
| PDF Descargar | [ Datasheet SD6830.PDF ] | |
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