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| Tel: 886-2-66296288 Fax:886-2-29174598 URL:http://www.princeton.com.tw Automotive Digital Clock PT6398 DESCRIPTION PT6398 is an automotive digital clock CMOS LSI. It drives fluorescent indicator panel directly. It can be driven by a 4.194304MHz crystal oscillator or an external clock signal (1024Hz). It has 4-ways display brightness control function and its display format is 12 hours. FEATURES * 4.194304MHz crystal oscillator * 4-ways display brightness control (Segment duty for Static: 1, 1/4, 1/8, 1/16; Grid duty for dynamic: 6.25%, 12.5%, 25%, 50%) * Hour and Minutes setting * 30 Minutes auto correction * 1024Hz signal output * Segment output: CMOS output * Internal POR (Power on Reset Circuit) * 44 pin LQFP * Static and dynamic driving selected PT6398 V1.0 -1- March, 2008 Tel: 886-2-66296288 Fax:886-2-29174598 URL:http://www.princeton.com.tw Automotive Digital Clock PT6398 PIN CONFIGURATION 36 COLSEL 43 VDDOUT 42 VDDIN 38 TEST 39 SDE 36 COLSEL 43 VDDOUT 42 VDDIN 38 TEST 37 SWM 39 SDE 41 CLK 37 SWM 35 DS2 41 CLK 35 DS2 34 DS1 44 VCC 34 DS1 44 VCC 40 AC 40 1C 1D 1E 1G 2C 2E 2G 3C 3D 3E 1 2 3 4 5 6 7 8 9 10 11 33 1B 32 1A 31 1F 30 29 2A,2D 3A/1A 3B/1B 3F/1F 3G/1G 3C/1C 3E/1E 3D/1D --/2G 1 2 3 4 5 6 7 8 9 33 NC 32 NC 31 NC 30 29 NC PT6398 Static 28 2F 27 COL 26 25 3A 24 3F 23 XIN PT6398 Dynamic 28 NC 27 NC 26 25 NC 24 NC 23 XIN COL/2C 10 11 19 19 20 12 13 14 15 16 17 18 21 VSS 12 20 22 13 14 15 16 17 18 21 /MS 4B,4C/2B -/2A,2D /RES 4B,4C /RES /MS /HS GR1 GR2 VSS /HS NC NC NC CLOUT CLOUT PT6398 V1.0 XOUT -2- March, 2008 XOUT /BLK /BLK 22 Tel: 886-2-66296288 Fax:886-2-29174598 URL:http://www.princeton.com.tw Automotive Digital Clock PT6398 APPLICATION CIRCUIT 1 DYNAMIC MODE PT6398 V1.0 -3- March, 2008 Tel: 886-2-66296288 Fax:886-2-29174598 URL:http://www.princeton.com.tw Automotive Digital Clock PT6398 APPLICATION CIRCUIT 2 STATIC MODE PT6398 V1.0 -4- March, 2008 Tel: 886-2-66296288 Fax:886-2-29174598 URL:http://www.princeton.com.tw Automotive Digital Clock PT6398 ORDER INFORMATION Valid Part Number PT6398-LQ Package Type 44 Pins, LQFP Top Code PT6398-LQ PT6398 V1.0 -5- March, 2008 |
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