Page history
30 September 2020
29 September 2020
→Option Bytes: Replaced the OptionByte.png screenshot with a table. Hopefully this will allow for better accessibility.
+507
→Option Bytes: Changed option bytes header format
-4
→GPIO Initialization: Document PF6
+199
→Original Firmware: Document MCC initialization
+459
→Original Firmware: Document initial GPIO states
+1,053
→Original Firmware: Added option byte info
+133
Note tool used for ROMDUMP
m+8
Add note about firmware
+276
28 September 2020
→Disassembly: image upload
m+194
small adjustments
m+425
Disassebly, Reassembly and powering the sonde
+4,409
Document this board uses TSIP binary GPS protocol
+79
Document default is TSIP for GPS
+78
Fix ST7 frequencies
+3
27 September 2020
Document U17. I can't figure out how to inline post an image, I uploaded it but it won't insert.
+64
add sections for CC1050<->ST7 and GPS<->ST7 busses
+722
document some more pins
+22
Added references; fixed a typo
+518
Document dip switch pins
+152
Add notes on ST7 pins
+332
add gps pinout notes
+273
Clarified Card-edge pins 23, 26
+1
Add instruction cycle timing notes
+353
add possible CPU speeds
+141
Add notes about 16MHz crystal and clock buffer
+72
17 September 2020
→Relative Humidity Circuit: (m) Converted schematic sketch to SVG drawing
-50
→RF Transmitter Circuit: Changed TX schematic from png to svg for readability
m+46
14 September 2020
→Components: Reformatted U3 Links
m+23
→Components: Added links to the ICC Protocol Ref Man, Flash Programming Ref Man, Flash Programming Quick Ref Guide
+436
→Components: Added link to ST7 Family Flash Programming Reference Manual
+222
→Components: Identified U20 as Toshiba TC7WH157FU
+81
→RF Transmitter Circuit
+1,511
13 September 2020
8 September 2020
→Notes: Changed formatting of notes
m+11
→Components: Added note to U15
+120
→Components: Changed notes to footnotes
+162
6 September 2020
Analog Mux breakdown
+363
→Connectors: SENS1 mapped to endpoints
+89
SP1 connection endpoints
+192
Added pic of mod; clarification of mod; Deleted duplicated image
+171
→Components: Additional component details; markings for unidentified parts
+1,511
5 September 2020
→Components: Props to N0RC for pointing out U15 is a 555. Updated.
+119
Added TX output schematic; instructions on how to disable amplifier.
+952
→Components: Some intel on U15.
+600
→Connectors: I added some observations to the connectors from oscilloscope probing
+562
Connector table cleanup
+995