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Table 15: Pin Assignment
Pin
Signal
1
GND
2
D1
3
D2
4
GND
5
D5
6
D6
7
GND
8
BUSY
9
ERROR
10
GND
11
/SOP
12
R/W
13
GND
14
D0
15
GND
16
D3
17
D4
18
GND
19
D7
20
STROBE
21
GND
22
RESERVED
23
RESERVED
24
GND
25
RESET
Description
Shield
Data line 1
Data line 2
Shield
Data line 5
Data line 6
Shield
Busy output:
low = idle
high = operation in progress (switching)
Error output:
low = normal
high = error in error queue
Shield
Start of packet--provides a start-and-stop mechanism
Read/write--driven by master read and write cycles
Shield
Data line 0 input; least significant bit (LSB)
Shield
Data line 3
Data line 4
Shield
Data line 7; most significant bit (MSB)
STROBE input, active low:
high-to-low pulse = read data lines and home line
high = ignore state of data lines and home line
This line is internally pulled high via 10 K ohm resistor to 5 V DC
Shield
Reserved; internal use only; do not use
Reserved; internal use only; do not use
Shield
Resets the hardware (MCU reset)
Application Notes
95
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