diff --git a/lib/symbols/ic_rs232_st_ST3222B.sym b/lib/symbols/ic_rs232_st_ST3222B.sym
new file mode 100644
index 0000000..d26cc8f
--- /dev/null
+++ b/lib/symbols/ic_rs232_st_ST3222B.sym
@@ -0,0 +1,222 @@
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