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--- electronic:lcd:dect1535 [2019/04/16 10:28]
tony
+++ electronic:lcd:dect1535 [2022/09/02 21:37] (current)
tony
@@ Line 17: / Line 17: @@
 ^Pin spacing|"|
-^  Connector pin-out  ^^^  Arduino test rig  ||
+^  Connector pin-out  ||^  Arduino test rig |
-^Pin#^IC pin^Label^Pin^colour|
+^Pin#^Label^Description ^Pin|
-^1|
+^1|Vdd?|3.2V|
-^2|Gnd|
+^2|Gnd|0V (battery -ve)|
-^3|
+^3| |25mS square wave 0V to -3.3V|
-^4|3.3V|
+^4| |25mS square wave 2V to 5.5V|
 ^5|
-| |||||
+| ||||
-^6|
+^6|Reset?|0V jumps to 3.2V after short delay on power-up|
-^7|Clock (200khz)|
+^7|CLK|Clock (200khz) present when clocking data|
-^8|Data|
+^8|Data|Data, on rising edge of Clock, 8bits, MSB first|
-^9|CS|
+^9|CS|Chip select, active low, for duration of data|
-^10|RS ?|
+^10|RS|Register select, Low = command, High = data|
 \\
 \\
+----
+===== Datasheets =====
+  * {{:electronic:lcd:uniden_dect1535_lcd.pdf|LCD initialisation sequence that works for this LCD}}
+  * {{:electronic:lcd:uniden_dect1535_lcd.sr|LCD initialisation sequence in sigrok format}}
 ----
@@ Line 43: / Line 48: @@
 {{:electronic:lcd:p4124913a.jpg?300|DECT1535 connector}}
 |{{:electronic:lcd:.jpg?300|DECT1535 chip}}
-|{{:electronic:lcd:.jpg?400|DECT1535 character set}}
+|{{:electronic:lcd:.jpg?300|DECT1535 character set}}
 {{:electronic:lcd:p4124891a.jpg?400|DECT1535 examples}}

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