1 -------------------------------------------------------------------------------
2 TrekStor eBook Reader 3.0 I2C
3 -------------------------------------------------------------------------------
5 This is a set of example captures of the I2C traffic on a TrekStor eBook
6 Reader 3.0 EBR30-a (Weltbild + Hugendubel Edition) device.
8 For details on the device see:
10 http://randomprojects.org/wiki/TrekStor_eBook_Reader_3.0_EBR30-a_(Weltbild_%2B_Hugendubel_Edition)
12 There are three chips which are connected to the main CPU's SCL/SDA pins:
14 - Battery management chip: X-Powers AXP199
15 * I²C slave address: 0x34/52 (shifted: 0x68/104)
17 - RTC chip: Hec Semiconductor H8563S
18 * I²C slave address: 0x51/81 (shifted: 0xa2/162)
20 - Digital Thermal Orientation Sensor (DTOS): MEMSIC MXC6225XU
21 * I²C slave address: 0x15/21 (shifted: 0x2a/42)
24 trekstor_ebr30_a_i2c_0x15.sr
25 ----------------------------
27 The logic analyzer used was a ChronoVu LA8 (at 4MHz):
34 The sigrok command line used was:
36 sigrok-cli -d 0:samplerate=4mhz --samples 8388608 \
37 -p '2=SCL,8=SDA' -o trekstor_ebr30_a_i2c_0x15.sr
40 trekstor_ebr30_a_i2c_30s.sr and trekstor_ebr30_a_i2c_120s.sr
41 ------------------------------------------------------------
43 This is a 30s/120s dump of the I2C traffic while the device was attached
46 The logic analyzer used was a Saleae Logic (at 4MHz):
53 The sigrok command line used was:
55 sigrok-cli -d 0:samplerate=4mhz --time <time>
56 -p '4=SCL,6=SDA' -o <filename.sr>
58 (<time> was 30s or 120s)