1 1 lm64 evaluation board user’s guide copyright 2003 national semiconductor corporation.
2 2 table of contents 1.0 introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3, 4 2.0 getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 required equipment . . . . . . . . . . . . . . ....
3 3 1.0 introduction the lm64eval kit includes the following items: 1. The lm64 evaluation board 2. The sensoreval software cd, including a. The readme.Txt file (read this first) b. The installation setup file, c. The sensoreval software manual, and d. This manual. 3. Jumpers to use for testing the ...
4 4 1.0 introduction (continued) for the installation procedure for the sensoreval software see the readme.Txt file on the sensoreval software cd. For detailed use of the lm64 software used with the lm64 evaluation board, please refer to the sensoreval software user’s guide on the cd. The lm64 datas...
5 5 2.0 getting started (continued) 2.4 test setup – hardware figure 2 below shows an example of a typical lm64 evaluation board test setup for driving fans, attaching remote diodes, and monitoring the system. Figure 2. Test setup using the lm64 evaluation board for the first time user, no jumpers a...
6 6 2.0 getting started (continued) 2.5 test setup – system for proper fan control follow the following procedure, using sensoreval as described in the sensoreval software manual. Change register 4a as follows: 1. Set the pwm clock select to 1.4 khz 2. Change the tachometer mode to the most accurate...
7 7 3.0 connection details table 1 below describes all the connections and test points of the lm64. Table 1. Lm64 evaluation board connections and test points symbol description of the connections j2 fan power – connect the power supply for the fan to the v+ pin (+12 or +5) and the negative to gnd. ...
8 8 4.0 schematic of the lm64 evaluation board c2 0.1uf + 3.3 vdc r3 22 r5 1.5k u3 at24c02-10si-2.7 1 2 3 4 8 7 6 5 a0 a1 a2 vss vcc wp scl sda a0 r2 1m gpio3 c14 0.1uf sda u2 cy7c64603-52nc 17 4 15 16 2 1 3 14 10 11 5 29 21 8 6 7 30 31 32 33 34 35 36 43 44 45 46 48 49 50 51 25 24 18 9 12 28 27 39 4...
9 9 4.0 schematic of the lm64 evaluation board (continued) + 3.3 vdc r18 0 fan - r13 10 k a0 scl gpio1 sda tcrit a0 sda + 3.3 vdc alert# j3 header 3x2/sm 2 4 6 1 3 5 jp1 1 3 7 9 5 2 4 6 8 10 g p d 1 c17 2.2uf c16 .01 scl 4 5 6 13 7 14 16 15 17 18 3 2 1 19 8 9 10 11 12 24 23 22 21 20 pwm vdd d+ gnd d...
10 10 5.0 lm64 evaluation board - bill of materials item quantity reference part ______________________________________________ 1 10 c1,c2,c3,c4,c5,c6,c10, capacitor, ceramic,0.1uf c12,c13,c14 2 2 c7,c8 capacitor, ceramic,33pf 3 4 c9,c11, c15, c17 capacitor, ceramic,2.2uf 4 2 c16, c18 capacitor, cer...
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