SPR-8695TUH USB 2.0 HUB KBD 1/10 page User’s Manual 자료번호: RD-071008-2 ■ MODEL NAME: SPR-8695TUH ■ TYPE NAME: USB wired mini track-ball keyboard with high speed HUB ■ Product CODE: 903U02210101 작 성 일: Oct. 08, 2007 작성부서: 기술연구소 작 성 자: 김 쌍 진 (Ms. SsangJin Kim) 작 성 검 토 결 재 SEJIN ELECTRON INC.
SPR-8695TUH USB 2.0 HUB KBD 2/10 page CONTENTS 1. SPECIFICATION..................................................................................... 3 1.1 SCOPE ..............................................................................................................3 1.2. MECHANICAL PECIFICATION ..........................................................................3 1.2.1 Key switch ...............................................................................................................3 1.
SPR-8695TUH USB 2.0 HUB KBD 3/10 page 1. SPECIFICATION 1.1 SCOPE This document describes the detail specifications for “SEJIN STD” TrackBall USB keyboard 1.2. MECHANICAL PECIFICATION 1.2.1 Key switch Operating system: non-lock RUBBER tactile feeling. Travel amount Operating force : 3.5±0.5mm with measuring load of 200gf applied. : 55±25 gf 1.2.2 Key switch Operation Key switch operating parameters should comply with those listed below.
SPR-8695TUH USB 2.0 HUB KBD 4/10 page 1.2.3 Operating Region 1.2.4 Key-top Deflection Key-top deflection to on side shall be 0.8mm or less. 1.2.5 Operating feeling No definite stickiness or other abnormality shall be allowed when force is applied with a finger to Key-top center at the rate of 3 times a second. 1.2.6 Key-top Height Variation The key top height variation must not greater than 0.5mm when measured between the center to center of keys next to each other.
SPR-8695TUH USB 2.0 HUB KBD 5/10 page A<0.5mm (1x1 key) < 0.6mm (1x1.25 key) <0.7mm (1x1.5 key) 1.2.8 Key-top Alignment The key top alignments will not exceed 0.5mm when top measured between the center to center of keys next to each other. The measurement will be performed with keys in the home positions. 0.5 mm Max 1.2.9 Rotational Alignment The maximum rotation of key shall be less than 0.5mm as shown below. A<0.5mm (1X1.75 Unit key Max) 0.7mm(1X2 Unit key Max) 1.2.
SPR-8695TUH USB 2.0 HUB KBD 6/10 page 1.3.4 Chattering and bounce Operation force shall be applied according to the normal operating method at 5V DC, 5mA.There shall be no bounce and chattering within 10msec when it is measured using a specially prepared tester or a synchroscope. ※ Chattering and bounce are defined in the following diagram : A:Chattering B: Bounce A B A 1.3.5 “A” plug USB CABLE 1.3.5.1 Contact terminating assignment. Contact Number 1 2 3 4 Shell Signal Name VBUS DD+ GND Shield 1.3.
SPR-8695TUH USB 2.0 HUB KBD 7/10 page 1.5 ENVIRONMENTAL PERFORMANCE 1.5.1 Shock There shall be no abnormally in operation and appearance of the keyboard when an impact of 10G has been applied to the package keyboard. The testing method shall be in accordance with 213B of MIL-STD-202E 1.5.2 Vibration The keyboard shall not be damaged electrically and mechanically when the following vibration has been applied to the packaged keyboard. The testing method shall be in accordance with 201A of MIL-STD-202E.
SPR-8695TUH USB 2.0 HUB KBD 8/10 page 1.6. Layout 1.7. Circuit Diagram 1.7.1 HUB 2.
SPR-8695TUH USB 2.0 HUB KBD 9/10 page 1.7.2 KEYBOARD 1.8. BLOCK Diagram SPR-8695TUH Keyboard Block Diagram Indicator LEDs CAP NUM SCR 3.3V 3 wire 3.3V Regulator +5V 68HC908 USB KBD controller D+ D+5V D+ DGND USB 2.
SPR-8695TUH USB 2.0 HUB KBD 10/10 page 2. User instruction NOTE: THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OR TV INTERFERENCE CAUSED BY UNAUTHORIZED MODIFICATIONS TO THIS EQUIPMENT. SUCH MODIFICATIONS COULD VOID THE USER'S AUTHORITY TO OPERATE THE EQUIPMENT. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
