Replace atmega by stm32f103

1 files changed, 4 insertions, 8 deletions

diff --git a/README.md b/README.md
index fe1aee8..0e14d5d 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ combined with the [Anglian 3L transverter](http://www.g4ddk.com/Products.html).
 * Designed in KiCad
 * Meant to be used with a microwave transverter
   * But also stand-alone 28MHz and 144MHz (The IF bands)
-* Using an ATMega controller
+* Using a STM32F103C8T6 controller
   * Si5351 clock source (generates 3 clocks)
   * An LCD display
 * Discarded ideas
@@ -20,17 +20,13 @@ TODO before ordering the PCB
 
 * Microphone input
   * Verify microphone pinout for MH-42
-  * Is audio level at SSM2167 output sufficient for the SA602A ?
 
 * CW
   * Does the trick with the DC bias to leak the LO work ?
     * Not tested, but plan B done (J306)
+    * Use an additional PWM output for plan B?
   * Put sidetone volume setting before RV303?
 
-* Consider reordering UI pins, if it simplifies routing
-  * Mockup location of potentiometers, encoder, display and buttons
-  * Check cabling
-
 * Si5153
   * Check desired frequencies can be achieved:
     * LO1 = 28 - 4.9152 + VFO
@@ -44,7 +40,7 @@ PCB Assembly Plan
   * Check output voltages
   * Check drop under load
 
-2. ATmega
+2. STM32F103C8T6
   * Programming
   * Sidetone low-pass
   * Probably need to do a UI proto already
@@ -53,7 +49,7 @@ PCB Assembly Plan
   * Check I2C works
 
 4. 8V and 5V relay
-  * Check switching with ATmega and validate resistors
+  * Check switching with microcontroller and validate resistors
 
 5. Baseband
   1. Crystal filter shape