Bus Pirate Edu Kit Exercise no.11

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(The Circuit)
(Bus Pirate Terminal)
Line 45: Line 45:
==Bus Pirate Terminal==
==Bus Pirate Terminal==
 +
 +
<nl2br>
 +
HiZ>m
 +
1. HiZ
 +
2. 1-WIRE
 +
3. UART
 +
4. I2C
 +
5. SPI
 +
6. 2WIRE
 +
7. 3WIRE
 +
8. LCD
 +
x. exit(without change)
 +
 +
(1)>4
 +
Set speed:
 +
1. ~5KHz
 +
2. ~50KHz
 +
3. ~100KHz
 +
4. ~400KHz
 +
 +
(1)>3
 +
Ready
 +
I2C>P
 +
Pull-up resistors ON
 +
Warning: no voltage on Vpullup pin
 +
I2C>W
 +
POWER SUPPLIES ON
 +
</nl2br>
 +
 +
 +
 +
<nl2br>
 +
I2C>(1)
 +
Searching I2C address space. Found devices at:
 +
0xDE(0x6F W)
 +
</nl2br>
 +
 +
 +
 +
 +
<nl2br>
 +
I2C>[0xDE 0[0xDF r:9]
 +
I2C START BIT
 +
WRITE: 0xDE ACK
 +
WRITE: 0x00 ACK
 +
I2C START BIT
 +
WRITE: 0xDF ACK
 +
READ: 0x00  ACK 0x00  ACK 0x00  ACK 0x01  ACK 0x01  ACK 0x01  ACK 0x01  ACK 0x80  ACK 0x00
 +
NACK
 +
I2C STOP BIT
 +
</nl2br>
 +
 +
 +
 +
 +
<nl2br>
 +
I2C>[0xde 0 0x80]
 +
I2C START BIT
 +
WRITE: 0xDE ACK
 +
WRITE: 0x00 ACK
 +
WRITE: 0x80 ACK
 +
I2C STOP BIT
 +
</nl2br>
 +
 +
 +
 +
<nl2br>
 +
I2C>[0xde 0[0xdf r:9]
 +
I2C START BIT
 +
WRITE: 0xDE ACK
 +
WRITE: 0x00 ACK
 +
I2C START BIT
 +
WRITE: 0xDF ACK
 +
READ: 0x82  ACK 0x00  ACK 0x00  ACK 0x21  ACK 0x01  ACK 0x01  ACK 0x01  ACK 0x80  ACK 0x00
 +
NACK
 +
I2C STOP BIT
 +
</nl2br>
 +
 +
 +
 +
<nl2br>
 +
I2C>[0xde 0[0xdf r:9]
 +
I2C START BIT
 +
WRITE: 0xDE ACK
 +
WRITE: 0x00 ACK
 +
I2C START BIT
 +
WRITE: 0xDF ACK
 +
READ: 0xD4  ACK 0x01  ACK 0x00  ACK 0x21  ACK 0x01  ACK 0x01  ACK 0x01  ACK 0x80  ACK 0x00
 +
NACK
 +
I2C STOP BIT
 +
</nl2br>
 +
 +
 +
 +
<nl2br>
 +
I2C>m
 +
1. HiZ
 +
2. 1-WIRE
 +
3. UART
 +
4. I2C
 +
5. SPI
 +
6. 2WIRE
 +
7. 3WIRE
 +
8. LCD
 +
x. exit(without change)
 +
 +
(1)>1
 +
Ready
 +
HiZ>
 +
</nl2br>
 +
==Not Working?==
==Not Working?==
==Taking it further==
==Taking it further==

Revision as of 14:35, 18 April 2013

Contents

Overview

BP EK E11 overview.jpg

The Circuit

BP EK E11 schematic.jpgBP EK E11 circuit.jpg

Breadboard legend

IC Location Breadboard wiring legend
IC PIN1 (+) PIN2 (-)
MCP7940M E14 E15
32KHz crystal C14 C15
C1 BB_-_left B14
C2 BB_-_left B15
Signal name Contact1 Contact2
5V BP_5V BB_+_left
5V BB_+_left BB_+_right
5V BB_+_right J14
5V BP_VPU BB_+_left
GND BP_GND BB_-_left
GND BB_-_left A17
MOSI BP_MOSI J17
CLK BP_CLK J16
  • The (+) and (-) next to PIN1 and PIN2 are intended for devices such as LEDs, where PIN1 should be the anode and connected to a higher potential then PIN2.

Bus Pirate Terminal


HiZ>m
1. HiZ
2. 1-WIRE
3. UART
4. I2C
5. SPI
6. 2WIRE
7. 3WIRE
8. LCD
x. exit(without change)

(1)>4
Set speed:
1. ~5KHz
2. ~50KHz
3. ~100KHz
4. ~400KHz

(1)>3
Ready
I2C>P
Pull-up resistors ON
Warning: no voltage on Vpullup pin
I2C>W
POWER SUPPLIES ON



I2C>(1)
Searching I2C address space. Found devices at:
0xDE(0x6F W)




I2C>[0xDE 0[0xDF r:9]
I2C START BIT
WRITE: 0xDE ACK
WRITE: 0x00 ACK
I2C START BIT
WRITE: 0xDF ACK
READ: 0x00 ACK 0x00 ACK 0x00 ACK 0x01 ACK 0x01 ACK 0x01 ACK 0x01 ACK 0x80 ACK 0x00
NACK
I2C STOP BIT




I2C>[0xde 0 0x80]
I2C START BIT
WRITE: 0xDE ACK
WRITE: 0x00 ACK
WRITE: 0x80 ACK
I2C STOP BIT



I2C>[0xde 0[0xdf r:9]
I2C START BIT
WRITE: 0xDE ACK
WRITE: 0x00 ACK
I2C START BIT
WRITE: 0xDF ACK
READ: 0x82 ACK 0x00 ACK 0x00 ACK 0x21 ACK 0x01 ACK 0x01 ACK 0x01 ACK 0x80 ACK 0x00
NACK
I2C STOP BIT



I2C>[0xde 0[0xdf r:9]
I2C START BIT
WRITE: 0xDE ACK
WRITE: 0x00 ACK
I2C START BIT
WRITE: 0xDF ACK
READ: 0xD4 ACK 0x01 ACK 0x00 ACK 0x21 ACK 0x01 ACK 0x01 ACK 0x01 ACK 0x80 ACK 0x00
NACK
I2C STOP BIT



I2C>m
1. HiZ
2. 1-WIRE
3. UART
4. I2C
5. SPI
6. 2WIRE
7. 3WIRE
8. LCD
x. exit(without change)

(1)>1
Ready
HiZ>

Not Working?

Taking it further