readme update

7 years ago · 8588f60587
parent d89d1dbb0f
commit 8588f60587
1 changed files with 2 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -45,6 +45,8 @@ WiFi+bluetooth: placeholder for ESP-32 (JTAG and serial over WiFi possible)

 Power: 3 Switching voltage regulators: 1.2V, 2.5V, 3.3V

+Clock: 25 MHz onboard, external differential clock input
+
 Low power sleep: RTC clock wakeup, quartz and battery