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batron specification for version october 2003 bthq 21605v-fsre-i2c-cog
vl-fs-cog-bthq21605-02 rev. a (bthq 21605v-fsre-i2c-cog) oct/2003 page 2 of 11 document revision history 1: document revision from to date description changed by checked by a 2003.10.16 first release. sunny lee michael tse
vl-fs-cog-bthq21605-02 rev. a (bthq 21605v-fsre-i2c-cog) oct/2003 page 3 of 11 contents page no. 1. general description 4 2. mechanical specifications 4 3. interface signals 7 4. absolute maximum ratings 7 4.1 electrical maximum ratings (ta=25 q c) 7 4.2 environmental condition 7 5. electrical specifications 8 5.1 typical electrical characteristics 8 5.2 timing specifications 9 6. character set ?r? in cgrom 11
vl-fs-cog-bthq21605-02 rev. a (bthq 21605v-fsre-i2c-cog) oct/2003 page 4 of 11 specification of lcd module type model no.: cog-bthq21605-02 1. general description x 16 characters (5 x 8 dots) x 2 lines fstn positive black & white reflective lcd character module. x driving scheme: 1:18 multiplexed drive, 1/4 bias. x optimal view direction: 6 o?clock. x driving ic: ?philips? pcf 2119ru/2/f2 cog form lcd controller/driver. x data interface: i 2 c-bus. x rtv coating. 2. mechanical specifications the mechanical detail is shown in fig. 2 and summarized in table 1 below. table 1 parameter specifications unit outline dimensions 67.00(w) x 27.8(h) x 2.80(d) (excluded pins and epoxy) mm viewing area 61.0(w) x 15.8(h) mm active area 56.20(w) x 11.50(h) mm display format 16 characters (5 x 8 dots) x 2 lines - character size 2.95(w) x 5.553(h) mm character spacing 0.60(w) x 0.394(h) mm character pitch 3.55(w) x 5.947(h) mm dot size 0.578(w) x 0.681(h) mm dot spacing 0.015(w) x 0.015(h) mm dot pitch 0.593(w) x 0.696(h) mm weight approx. 10.0 grams
vl-fs-cog-bthq21605-02 rev. a (bthq 21605v-fsre-i2c-cog) oct/2003 page 5 of 11 figure 1 and figure 2: specification drawing
vl-fs-cog-bthq21605-02 rev. a (bthq 21605v-fsre-i2c-cog) oct/2003 page 6 of 11 'philips' pcf2119ru/2/f2 (cog) lcd controller/ driver 80 16 2 lines x 16 characters (5x8 dots) cog-bthq21605v lcd display vdd vlcd vss sda scl por figure 3: block diagram figure 4: reference circuit
vl-fs-cog-bthq21605-02 rev. a (bthq 21605v-fsre-i2c-cog) oct/2003 page 7 of 11 3. interface signals table 2 pin no. symbol description 1 vlcd lcd driver voltage 2 vss ground (0v) 3 vdd power supply for logic. 4sdai 2 c serial data input/output 5 por external power ?on reset input. active high. 6scli 2 c serial clock input 4. absolute maximum ratings 4.1 electrical maximum ratings (ta = 25 oc) table 3 parameter condition symbol min. max. unit supply voltage range (logic) - vdd - vss -0.5 +4.0 v input voltage range osc,scl,sda vi -0.5 vdd +0.5 v input voltage range (lcd) v lcd -0.5 +6.5 v note: the modules may be destroyed if they are used beyond the absolute maximum ratings. all voltage values are referenced to vss = 0v. 4.2 environmental condition table 4 operating temperature (topr) storage temperature (tstg) item min. max. min. max. remark a mbient temperature -10 q c +50 q c-20 q c +65 q c dry h umidity 95% max. rh for ta d 40 q c < 95% rh for ta > 40 q c no condensation v ibration (iec 68-2-6) cells must be mounted on a suitable connecto r frequency: 10 a 55 hz amplitude: 0.75 mm duration: 20 cycles in each direction. 3 directions shock (iec 68-2-27) h alf-sine pulse shape pulse duration : 11 ms peak acceleration: 981 m/s 2 = 100g number of shocks : 3 shocks in 3 mutually perpendicular axes. 3 directions
vl-fs-cog-bthq21605-02 rev. a (bthq 21605v-fsre-i2c-cog) oct/2003 page 8 of 11 5. electrical specifications 5.1 typical electrical characteristics at ta = 25 q c, vdd = 3v r 5%, vss=0v. table 5 parameter symbol conditions min. typ. max. unit operating voltage (logic) vdd-vss 2.85 3.0 3.15 v operating voltage for lcd (built-in) vlcd-vss note 1 5.0 5.3 5.6 v input signal voltage low (sda, scl) vil 0 - 0.3 vdd v input signal voltage high (sda, scl) vih 0.7 vdd - 5.5 v character mode, vdd =3.0v - 0.17 0.26 ma operating supply current i dd checker board mode, vdd =3.0v - 0.18 0.27 ma note (1) : there is tolerance in optimum lcd driving voltage during production and it will be within the specified range.
vl-fs-cog-bthq21605-02 rev. a (bthq 21605v-fsre-i2c-cog) oct/2003 page 9 of 11 5.2 timing specifications ta = -10 q c to +50 q c, vdd =1.8 ~ 5.5v, vss=0v; v lcd = 2.2v to 6.5v. refer to fig. 5, i 2 c bus timing diagram of ?philips? pcf2119. table 6 parameters symbol min. typ. max. unit lcd frame frequency (internal clock) (note 1) f fr 45 81 147 hz oscillator frequency(not available at any pin) f osc 140 250 450 khz external clock frequency f osc(ext) tbf - 450 khz oscillator start-up time after power-down t oscst - 200 300 p s timing characteristics: i 2 c-bus interface; (note 2) scl clock frequency f scl - - 400 khz scl clock low period t low 1.3 - - p s scl clock high period t high 0.6 - - p s data set-up time t su;dat 100 - - ns data hold time t hd;dat 0- -ns scl and sda rise time t r - - 300 ns scl and sda fall time t f - - 300 ns capacitive bus line load c b 400 pf set-up time for a repeated start condition t su;sta 0.6 - - p s start condition hold time t hd;sta 0.6 - - p s set-up time for stop condition t su;sto 0.6 - - p s tolerable spike width on bus t sw - - 50 ns notes : 1. vdd=5.0v. 2. all timing values are valid within the operating supply voltage and ambient temperature range and are referenced to v il and v ih with an input voltage swing to vss to vdd.
vl-fs-cog-bthq21605-02 rev. a (bthq 21605v-fsre-i2c-cog) oct/2003 page 10 of 11 figure 5: i 2 c bus timing diagram of ?philips? pcf2119.
vl-fs-cog-bthq21605-02 rev. a (bthq 21605v-fsre-i2c-cog) oct/2003 page 11 of 11 6. character set ?r? in cgrom

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