1. APPROVAL SIGN `98. 06. 30. NoDATECONTENTS OF MODIFICATION GTEC-0013 S/W APPROVAL SHEET GTS DATE ; `98. 06. 19. No. 9805 CHECK SUM : Globaltec.

2. DesignCheckApproval Date 06/19/98 GTS Specification Specification No. Page of Type GTS Page of GTEC-0013 Software Spec Sheet Product Purpose Function Features Operating frequency : 300KHz to 500KHz CMOS process (Single 3V power supply) Built in capacitor for ceramic oscillation circuit 4 bit 1 chip microcomputer Infrared remote control encoder 8 X8 key matrix scan 212

3. DesignCheckApproval Date 06/19/98 GTS Specification Specification No. Page of Type GTS Page of GTEC-0013 1) uPD6122 A single pulse, modulated with 37.917KHz signal at 455KHz Tc T1 Carrier frequency f CAR = 1/Tc = f OSC /12 Duty ratio = T1/Tc = 1/3 Repeat code Tf - Configuration of Flame of 16bit ( NEC 16bit custom ) 1st flame C0C1C2C3C4C5C6C7C0'C1'C2'C3'C4'C5C6C7D0D1D2D3D4D5D6D7D0D1D2D3D4D5 D7 Lead code Low Custom code High Custom code Data code Repeat flame - Configuration of Flame of 8bit ( NEC 8bit custom ) 1st flame C0C1C2C3C4C5C6C7D0D1D2D3D4D5D6D7D0D1D2D3D4D5 D7 Lead code Custom code Data code C0C1C2C3C4C5C6C7 Full code 1. Output waveform 123

4. DesignCheckApproval Date 06/19/98 GTS Specification Specification No. Page of Type GTS Page of GTEC-0013 - Bit Description 0.56ms 1.125ms 0.56ms 2.25ms Bit ﹍ 0 ﹍ Bit ﹍ 1 ﹍ Tf - Flame Interval of Reprat flame: Tf The transmitted waveform as long as a key is depressed Tf = 108ms @455KHz - Repeat code 9ms2.25ms 0.56ms - Lead code 9ms4.5ms 124

5. DesignCheckApproval Date 06/19/98 GTS Specification Specification No. Page of Type GTS Page of GTEC-0013 Key No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 2. Truth Table Data(h) M50462 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17 18 26 27 28 29 30 31 32 19 1A 1B 1C 1D 1E 1F Key No. 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 30 31 32 33 34 35 36 37 38 58 59 60 61 62 63 64 39 3A 3B 3C 3D 3E 3F Data(h) M50462 Data(h) TC9028 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F Data(h) uPD6122 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F Data(h) TC9028 Data(h) uPD6122 127

6. DesignCheckApproval Date 06/19/98 GTS Specification Specification No. Page of Type GTS Page of GTEC-0013 First Key No. Second Key No. K0D0 ( 1 ) + D1R0 (13) D1R1 (14) D1R2 (15) D1R3 (16) K1D0 ( 2 ) + D1R0 (13) D1R1 (14) D1R2 (15) D1R3 (16) K2D0 ( 3 ) + D1R0 (13) D1R1 (14) D1R2 (15) D1R3 (16) Data ( HEX ) 4C 4D 4E 4F 8C 8D 8E 8F CC CD CE CF ( ) = Key Number K0D0 ( 1 ) First Key No. Second Key No. D1R0 (13) KEY NUMBER Data ( HEX ) 4C (1) + (13) = 4C (HEX data) PORT NUMBER First key + Second key = double action key data - Double action keys ( M50462 only) 128

7. DesignCheckApproval Date 06/19/98 GTS Specification Specification No. Page of Type GTS Page of GTEC-0013 K0 K1 K2 K3 R0 R1 R2 R3 D0 D1 D2 D3 D4 D5 D8 D9 D6 D7 11 12 13 14 15 23 22 21 24 1 2 Vdd RESET GND REM OUT OSC2 OSC1 GTEC-0013 + 16 - 17 18 19 20 C0 C1 C2 C3 C4 C5 C6` C7` ﹍ Low ﹍ === ﹍ High ﹍ 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 3 4 5 6 7 8 9 10 30 31 32 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 33 34 35 36 37 38 39 40 Detail Circuit Diagram - NEC 6122- 001 - This mode will not support the custom as xx80h,xx40h,00FFh in 16bit Custom. C0 C1 C2 C3 C4 C5 C6 C7 12