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LMS-6 Radiosonde: Difference between revisions

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VisualWikitext
document the bit-synth interrupt
m Reformatted Card Edge Connector
Line 140: Line 140:
{| class="wikitable"
{| class="wikitable"
|+Card edge - 40-pin, looks like ISA spacing
|+Card edge - 40-pin, looks like ISA spacing
!Pin Number
!Function
!Notes / Observations
!Pin Number
!Pin Number
!Function
!Function
!Notes / Observations
!Notes / Observations
|-
|-
|1,2,7,8
|1
|Vdd
|U3 - Vdd
U15 - Pin 4
|2
|Vdd
|U3 - Vdd
|U3 - Vdd
U15 - Pin 4
U15 - Pin 4
|
|-
|9, 10, 15, 16, 19, 20, 33, 34
|Ground
|
|-
|2, 8, 18*, 24, 30
| +5VDC
|18 needs more research, may occasionally drop to ground?
|-
|-
|3
|3
Line 163: Line 162:
U21 - Pin21 / PCLK
U21 - Pin21 / PCLK
|
|
|-
|4
|4
|U3 - Pin38/Vpp/ICCSEL
|U3 - Pin38/Vpp/ICCSEL
Line 173: Line 171:
|U3 - Pin39/RESET
|U3 - Pin39/RESET
|
|
|-
|6
|6
|U3 - Pin27 / PC4 / MISO / ICCDATA
|U3 - Pin27 / PC4 / MISO / ICCDATA
|
|-
|7
|Vdd
|U3 - Vdd
U15 - Pin 4
|8
|Vdd
|U3 - Vdd
U15 - Pin 4
|-
|9
|GND
|
|10
|GND
|
|
|-
|-
Line 181: Line 194:
|J5 - Pin 2
|J5 - Pin 2
|
|
|-
|12
|12
|U21 - Pin 20 - DCLK
|U21 - Pin 20 - DCLK
Line 189: Line 201:
|13
|13
|SW1.4
|SW1.4
U3 - Pin10/AIN3/PD3
|U3 - Pin10/AIN3/PD3


51K resistor to ground
51K resistor to ground
|14
|
|
|-
|15
|GND
|
|16
|GND
|
|
|-
|-
|17
|17
|SW1.2
|SW1.2
U3 - Pin8/AIN1/PD1
|U3 - Pin8/AIN1/PD1


51K resistor to ground
51K resistor to ground
|
|-
|18
|18
|SW1.1
|SW1.1
U3 - Pin7/AIN0/PD0
|U3 - Pin7/AIN0/PD0


51K resistor to ground
51K resistor to ground
|-
|19
|GND
|
|20
|GND
|
|
|-
|-
Line 212: Line 237:
U3 - Pin19
U3 - Pin19
|Appears to be some sort of test-mode select, checked before GPIO initialization.
|Appears to be some sort of test-mode select, checked before GPIO initialization.
|22
|
|
|-
|-
|23
|23
Line 217: Line 245:
U3 - Pin1/RDI
U3 - Pin1/RDI
|Data bursts
|Data bursts
|24
|
| +5VDC ?
|-
|-
|25
|
|
|26
|26
|GPS Data (38400 BPS)
|GPS Data (38400 BPS)
Maybe not connected to U3?
Maybe not connected to U3?
|Data bursts
|Data bursts
|-
|27
|
|
|28
|
|
|-
|29
|
|
|30
|
| +5VDC ?
|-
|-
|31
|31
|BATT POS
|BATT POS
|
|32
|
|
|
|-
|-
|33
|GND
|
|34
|GND
|
|-
|35
|
|
|36
|36
|SW1.3
|SW1.3
U3 - Pin9/AIN2/PD2
|U3 - Pin9/AIN2/PD2


51K resistor to ground
51K resistor to ground
|-
|37
|
|
|
|-
|38
|38
|U3 - Pin18 / OCMP1_A / AIN10 / PF4
|U3 - Pin18 / OCMP1_A / AIN10 / PF4
Line 241: Line 304:
|RED WIRE
|RED WIRE
|
|
|-
|40
|40
|Battery voltage
|Battery voltage
Line 648: Line 710:
ST7 ADC AIN8 appears to be the only one used.
ST7 ADC AIN8 appears to be the only one used.


=== Interrupts ===
===Interrupts===


* ei0_int
*ei0_int
** Triggered by PortA.3
**Triggered by PortA.3
** uses location 0xB2 as a shift register to output LSB first to CC1050's Data Input on PortF.4
**uses location 0xB2 as a shift register to output LSB first to CC1050's Data Input on PortF.4


==Modifications==
==Modifications==
Retrieved from "https://wiki.recessim.com/view/LMS-6_Radiosonde"