Documentation for “Zerocat Dev Kit”
Generated on: Tue, 03 Dec 2024 15:24:38 +0100
Repository: git://zerocat.org/zerocat/projects/zerocat-dev-kit.git
Version: 2117b7b4b
Branch: master
# Bill of Material “multiboard”
Footprints are named according to gEDA/gaf and PCB footprint naming convention.
## Sheet “multiboard-page01.sch”
### Pattern per Record
* refdes
- device
- value
- footprint
- description
- comment
- qty
### Bill
* U3
- CRYSTAL
- 5MHz
- CRYSTAL 300
- crystal
- unknown
- 1
* U1
- P8X32A
- unknown
- DIP40
- Parallax Propeller 1, Open Source Controller
- This chip is precious, use socket. If Vdd falls below +2.7V, all pins become tristate. RESn is pulled up through 5K when BOEn is low.
- 1
* C17,C18
- CAPACITOR
- 10nF
- RCY100
- capacitor
- unknown
- 2
## Sheet “multiboard-page02.sch”
### Pattern per Record
* refdes
- device
- value
- footprint
- description
- comment
- qty
### Bill
* U4
- 24Cxx
- 24LC256
- DIP8
- 2-wire serial cmos eeprom
- This chip is optional. Use socket.
- 1
* R2
- RESISTOR
- 10K
- ACY500
- unknown
- unknown
- 1
## Sheet “multiboard-page03.sch”
### Pattern per Record
* refdes
- device
- value
- footprint
- description
- comment
- qty
### Bill
* R3,R4
- RESISTOR
- 220R
- ACY500
- unknown
- Value need not match exactly.
- 2
## Sheet “multiboard-page04.sch”
### Pattern per Record
* refdes
- device
- value
- footprint
- description
- comment
- qty
### Bill
* U6
- MAX232
- MAX3232CPE+
- DIP16
- 3V-powered dual RS-232 driver/receiver
- MAX3232EPE+ needs extended reset pulse.
- 1
* J2
- HEADER10
- male
- HEADER10_2
- RS232 Header with DTE Pin Labels
- unknown
- 1
* C10,C7,C8,C9
- CAPACITOR
- 100nF precision
- RCY100
- capacitor
- unknown
- 4
* U2
- 74HC32
- unknown
- DIP14
- 4 OR gates with 2 inputs
- unknown
- 1
* U9
- 74HC08
- unknown
- DIP14
- 4 AND gates with 2 inputs
- unknown
- 1
* J3
- HEADER10
- unknown
- HEADER10_1
- unknown
- unknown
- 1
* J8
- HEADER16
- unknown
- HEADER16_2
- unknown
- unknown
- 1
* R14,R15,R16,R18
- RESISTOR
- 47K
- ACY500
- unknown
- unknown
- 4
## Sheet “multiboard-page05.sch”
### Pattern per Record
* refdes
- device
- value
- footprint
- description
- comment
- qty
### Bill
* J4,J5,J6,J7
- HEADER20
- unknown
- HEADER20_1
- unknown
- unknown
- 4
* R11,R12
- RESISTOR
- 100R
- ACY500
- unknown
- unknown
- 2
* C19,C20
- POLARIZED_CAPACITOR
- 10F/16V
- RCY100P
- polarized capacitor
- unknown
- 2
## Sheet “multiboard-page06.sch”
### Pattern per Record
* refdes
- device
- value
- footprint
- description
- comment
- qty
### Bill
* V1
- THERMISTOR +t GradC
- RXEF075
- RCY200
- PPTC Thermistor, I-Hold 750mA, I-Trip 1.5A
- Also known as Polyfuse.
- 1
* Z1
- ZENER_DIODE
- 6V8/1.3W
- ALF500
- unknown
- unknown
- 1
* CONN1
- PWRJACK
- unknown
- PWRJACK-5.5-2.1-3pin.fp
- barrel connector jack, size 5.5mm, pin 2.1mm
- unknown
- 1
## Sheet “multiboard-page07.sch”
### Pattern per Record
* refdes
- device
- value
- footprint
- description
- comment
- qty
### Bill
* C3
- POLARIZED_CAPACITOR
- 10uF 16V Tantalum
- RCY100P
- polarized capacitor
- unknown
- 1
* U5
- LD1117V33
- unknown
- TO220S
- Low Dropout Voltage Regulator 800mA
- unknown
- 1
* C5
- CAPACITOR
- 100nF
- RCY100
- capacitor
- unknown
- 1
* D3
- LED
- unknown
- LED3
- Generic LED
- unknown
- 1
* R13
- RESISTOR
- 220R
- ACY500
- unknown
- unknown
- 1
## Sheet “multiboard-page08.sch”
### Pattern per Record
* refdes
- device
- value
- footprint
- description
- comment
- qty
### Bill
* U7
- SWITCH_DIP6
- unknown
- DIP12
- unknown
- unknown
- 1
* R5
- RESISTORPACK_7
- 47K
- SIP7
- unknown
- unknown
- 1
* R6,R7
- RESISTOR
- 47K
- ACY500
- unknown
- unknown
- 2
* U8
- 74HC151
- unknown
- DIP16
- 8 to 1 multiplexer
- 74152 not available at local dealer
- 1
## Sheet “multiboard-page09.sch”
### Pattern per Record
* refdes
- device
- value
- footprint
- description
- comment
- qty
### Bill
* U2
- 74HC32
- unknown
- DIP14
- 4 OR gates with 2 inputs
- unknown
- 1
* U9
- 74HC08
- unknown
- DIP14
- 4 AND gates with 2 inputs
- unknown
- 1
* R1,R17,R8
- RESISTOR
- 47K
- ACY500
- unknown
- unknown
- 3
## Sheet “multiboard-page10.sch”
### Pattern per Record
* refdes
- device
- value
- footprint
- description
- comment
- qty
### Bill
* R9
- RESISTOR
- 100K
- ACY500
- unknown
- unknown
- 1
* C11,C14
- CAPACITOR
- 1nF
- RCY200
- capacitor
- unknown
- 2
* C16
- CAPACITOR
- 100nF
- RCY100
- capacitor
- unknown
- 1
* R10
- RESISTOR
- 10K
- ACY500
- unknown
- unknown
- 1
## Sheet “multiboard-page11.sch”
### Pattern per Record
* refdes
- device
- value
- footprint
- description
- comment
- qty
### Bill
* C1
- CAPACITOR
- 100nF
- RCY100
- capacitor
- Blocking Cap for U8 (74HC151)
- 1
* C2
- CAPACITOR
- 100nF
- RCY100
- capacitor
- Blocking Cap for U2 (74HC32)
- 1
* C4
- CAPACITOR
- 100nF
- RCY100
- capacitor
- Blocking Cap for U9 (74HC08)
- 1
* C6
- CAPACITOR
- 100nF precision
- RCY100
- capacitor
- Blocking Cap for U6 (MAX3232)
- 1
* C15
- CAPACITOR
- 100nF
- RCY100
- capacitor
- Blocking Cap for U4 (24LC256)
- 1
* C12
- CAPACITOR
- 100nF
- RCY100
- capacitor
- Blocking Cap for U1 (P8X32A), left side
- 1
* C13
- CAPACITOR
- 100nF
- RCY100
- capacitor
- Blocking Cap for U1 (P8X32A), right side
- 1
## Sheet “multiboard-page12.sch”
### Pattern per Record
* refdes
- device
- value
- footprint
- description
- comment
- qty
### Bill
* U2
- 74HC32
- unknown
- DIP14
- 4 OR gates with 2 inputs
- unknown
- 1