March 1st, 2019, 16:04
March 1st, 2019, 17:48
March 1st, 2019, 17:50
March 2nd, 2019, 12:49
March 12th, 2019, 6:47
March 12th, 2019, 7:11
March 12th, 2019, 8:03
March 12th, 2019, 15:53
March 13th, 2019, 4:36
March 13th, 2019, 16:31
March 13th, 2019, 17:26
March 14th, 2019, 18:12
March 15th, 2019, 5:19
March 15th, 2019, 19:21
___ .----.
5V o--+-----+--|___|--+--+---|0.9V|---> Vcore - MCU
| | ___ | | |SMPS|
| +--|___|--+ | '----'
TVS z | ___ | | .----.
diode A +--|___|--+ | |1.8V|
| | ___ | +---|SMPS|---> SDRAM (NAND, MCU ?)
| '--|___|--' | '----'
=== | .----.
GND 4 x 100R | |1.2V|
+---|SMPS|---> SDRAM (MCU ?)
| '----'
| .----.
| |2.5V|
+---|LDO |---> serial flash
| '----'
| .----.
| |2.8V|
+---|LDO |---> MSP430 PMU
| '----'
|
| .---------.
| | MP5505 |
| | |
'---|- \ --|---o Storage
Vin | \ |
| | |
'----|----'
VB |
|
.------. .-----.
| 3.3V | | NAND|
| SMPS |---|flash|
'------' '-----'
March 15th, 2019, 19:42
March 15th, 2019, 23:30
on/off
|
.--|--.
| _/ | load switch
.-|-/ -|-.
| | | |
| '-----' |
| ___ | .----.
5V o--+-----+--|___|--+--+---|0.9V|---> Vcore - MCU
| | ___ | | |SMPS|
| +--|___|--+ | '----'
TVS z | ___ | | .----.
diode A +--|___|--+ | |1.8V|
| | ___ | +---|SMPS|---> SDRAM (NAND, MCU ?)
| '--|___|--' | '----'
=== | .----.
GND 4 x 100R | |1.2V|
+---|SMPS|---> SDRAM (MCU ?)
| '----'
| .----.
| |2.5V|
+---|LDO |---> serial flash
| '----'
| .----.
| |2.8V|
+---|LDO |---> MSP430 PMU
| '----'
|
| .---------.
| | MP5505 |
| | |
'---|- \ --|---o Storage
Vin | \ |
| | |
'----|----'
VB |
|
.------. .-----.
| 3.3V | | NAND|
| SMPS |---|flash|
'------' '-----'
March 19th, 2019, 18:24
March 20th, 2019, 8:57
March 20th, 2019, 9:30
March 20th, 2019, 15:42
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