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TT6222-1 Datasheet Preview

TT6222-1 Datasheet

(TT6221-1 / TT6222-1) Remote Control Transmitter

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TT1589(TT6221/TT6222)
Consumer
TT6221-1 & TT6222-1 REMOTE CONTROL TRANSMITTER
General Description
TT6221-1 and TT6222-1 are high performance remote control transmitter COMS IC it is
specially designed for use on infrared remote control applications The custom codes (Max.)
of TT6221-1 and TT6222-1 are available by setting external diodes and resistors The
transmission code consists of “ leader pulse “ ” 16 bits custom code “ and ” 16 bits data
code “
Feature Description
X High performance CMOS technology
X Low power consumption ( VDD = 2.0
3.3 V )
X TT6221-1 : 32 function keys and 3 double action keys
and 64 + 6 function codes are available ( Using D7 pin )
X TT6222-1 : 64 function keys and 3 double action keys
and 128 + 6 function codes are available ( Using D7 pin )
X PPM ( Pulse Position Modulation ) code method
X Ceramic resonator frequence 455 KHz
X DOUT with a 38 KHz carrier for IR medium
X Custom codes can be selected ( Using external diodes and resistors )
Block Diagram
X1 X2
Oscillator
Divider
R1
R8
Keyboard
Matrix
&
Gate
Circuit
Data
ROM
&
Registers
Data select & Buffer
DOUT
LED
Timing Generate
Counter control
Sync.
circuit
Binary Detector
C1 C8
AIN D7
VDD VSS
Ver. 1.0




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TT6222-1 Datasheet Preview

TT6222-1 Datasheet

(TT6221-1 / TT6222-1) Remote Control Transmitter

No Preview Available !

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TT1589(TT6221/TT6222)
Consumer
Package configuration
TT6221
1 R1
AIN 20
2 R2
C1 19
3 R3
C2 18
4 R4
C3 17
5 DOUT C4 16
6 VDD
C5 15
7 D7
C6 14
8 X2
C7 13
9 X1
C8 12
10 VSS
LED
11
TT6222
1 R3
R2 24
2 R4
R1 23
3 R5
AIN 22
4 R6
C1 21
5 R7
C2 20
6 R8
C3 19
7 DOUT C4 18
8 VDD
C5 17
9 D7
C6 16
10 X2
C7 15
11 X1
C8 14
12 VSS
LED
13
Pin Description
TT6221-1 TT6222-1
PIN No. PIN No.
31
42
-3
-4
-5
-6
57
68
79
8 10
9 11
PIN
Name
R3
R4
R5
R6
R7
R8
DOUT
VDD
D7
X2
X1
I/O DESCRIPTION
I Row control for keyboard matrix ( active high )
I Row control for keyboard matrix ( active high )
I Row control for keyboard matrix ( active high )
I Row control for keyboard matrix ( active high )
I Row control for keyboard matrix ( active high )
I Row control for keyboard matrix ( active high )
O Serial data output with 38 KHz carrier
P Positive power supply
I Data code D7 setting
O 455 KHz resonator oscillator output
I 455 KHz resonator oscillator input
10 12 VSS P Negative power supply
11 13 LED O Indicator LED output
12 14 C8 I/O Column control for keyboard matrix
13 15 C7 I/O Column control for keyboard matrix
14 16 C6 I/O Column control for keyboard matrix
15 17 C5 I/O Column control for keyboard matrix
16 18 C4 I/O Column control for keyboard matrix
17 19 C3 I/O Column control for keyboard matrix
18 20 C2 I/O Column control for keyboard matrix
19 21 C1 I/O Column control for keyboard matrix
20 22 AIN I Low byte of custom codes ( 8 bits ) scan input
1 23 R1 I Row control for keyboard matrix ( active high )
2 24 R2 I Row control for keyboard matrix ( active high )
Ver. 1.0


Part Number TT6222-1
Description (TT6221-1 / TT6222-1) Remote Control Transmitter
Maker TT
Total Page 11 Pages
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