initial commit

Author: napowderly

elec/src/tca9548apwr.ato

@@ -1,3 +1,8 @@
+import Power from "generics/interfaces.ato"
+import I2C from "generics/interfaces.ato"
+import Resistor from "generics/passives.ato"
+import Capacitor from "generics/passives.ato"
+
 component _TCA9548APWR:
     # component TCA9548APWR
     footprint = "TSSOP-24_L7.8-W4.4-P0.65-LS6.4-BL"
@@ -54,6 +59,45 @@ module TCA9548APWR:
     i2c.sda ~ ic.SDA
     i2c.scl ~ ic.SCL
 
+    # connect the power
+    power.vcc ~ ic.VCC
+    power.gnd ~ ic.GND
+
+    #bypass caps
+    c1 = new Capacitor
+    c1.value = 100nF +/- 20%
+    c1.footprint = "0402"
+
+    c2 = new Capacitor
+    c2.value = 2.2uF +/- 20%
+    c2.footprint = "0603"
+
+    # Address bits
+    # +------+------+------+----------------+-----------------+
+    # |  A2  |  A1  |  A0  | Decimal Output | Hexadecimal Out |
+    # +------+------+------+----------------+-----------------+
+    # |  L   |  L   |  L   |      112       |       70        |
+    # +------+------+------+----------------+-----------------+
+    # |  L   |  L   |  H   |      113       |       71        |
+    # +------+------+------+----------------+-----------------+
+    # |  L   |  H   |  L   |      114       |       72        |
+    # +------+------+------+----------------+-----------------+
+    # |  L   |  H   |  H   |      115       |       73        |
+    # +------+------+------+----------------+-----------------+
+    # |  H   |  L   |  L   |      116       |       74        |
+    # +------+------+------+----------------+-----------------+
+    # |  H   |  L   |  H   |      117       |       75        |
+    # +------+------+------+----------------+-----------------+
+    # |  H   |  H   |  L   |      118       |       76        |
+    # +------+------+------+----------------+-----------------+
+    # |  H   |  H   |  H   |      119       |       77        |
+    # +------+------+------+----------------+-----------------+
+
+    # Set bits below:
+    ic.A0 ~ power.gnd
+    ic.A1 ~ power.gnd
+    ic.A2 ~ power.gnd
+
     i2c0 = new I2C
     i2c0.sda ~ ic.SD0
     i2c0.scl ~ ic.SC0
@@ -109,6 +153,3 @@ module TCA9548APWR:
     pullup7 = new i2c_pullup
     pullup7.i2c ~ i2c7
     pullup7.power ~ power
-
-
-