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--- electronic:lcd:wdect2315 [2019/04/24 23:13]
tony
+++ electronic:lcd:wdect2315 [2022/09/02 22:01] (current)
tony
@@ Line 17: / Line 17: @@
 ^Pin spacing|2mm|
-^  Connector pin-out  ^^^  Arduino test rig  ||
+^  Connector pin-out  ^^^|
-^Pin#^IC pin^Label^Pin^colour|
+^Pin#^Label^Description^Notes^
-^1|CS|3.24v|pulses low|
+^1|CS|Chip select|active low|
-^2|MOSI|pulses low/high|
+^2|MOSI|Data|8bits, MSB first|
-^3|CLK|3.24v|pulses low similar to #1|
+^3|CLK|Data clock|normally low, data clocked on rising edge|
-^4|RS|3.24v|pulses low/high similar to #2|
+^4|RS|Register Select|Low = command, High = data|
 |
-^5|RESET|3.24v|steady hi?|
+^5|RST|Reset|0V jumps to 3.24V after short delay on power-up|
 ^6|Vcc|3.24v|
-^7|GND|0.03v|
+^7|GND|0V|(battery -ve)|
-^8||-2.65v|
+^8|Vlcd|-2.65v|
-vcc3.3v
+Vbat=3.3v
 \\
 \\
@@ Line 48: / Line 48: @@
 {{:electronic:lcd:p4235271a.jpg?300|WDECT2315 connector}}
 |{{:electronic:lcd:.jpg?300|WDECT2315 chip}}
-|{{:electronic:lcd:.jpg?400|WDECT2315 character set}}
+|{{:electronic:lcd:.jpg?300|WDECT2315 character set}}
 {{:electronic:lcd:p4235280a.jpg?400|WDECT2315 examples}}

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