Update README.md

bsp/apollo2/README.md

@@ -1,11 +1,14 @@
-Apollo2 MCU是基于Ambiq Micro的Apollo MCU产品系列的第二代控制器。
-Ambiq使用专利亚阈值功率优化技术（Subthreshold Power Optimized Technology， SPOT）平台来实现惊人的功耗降低，其功耗通常比性能相近的其它MCU产品降低5至10倍。
-Apollo2 MCU采用32位ARM Cortex-M4F微控制器，集成了高达1 MB的闪存和256 KB的RAM，以适应无线电和传感器开销，同时仍留有足够的应用代码空间。该微控制器还包括串行主机和UART端口，用于与无线电和传感器通信，包括加速度计，陀螺仪和磁力计。
+Apollo2 MCU鏄�熀浜嶢mbiq Micro鐨凙pollo MCU浜у搧绯诲垪鐨勭�浜屼唬鎺у埗鍣ㄣ€�
 
+Ambiq浣跨敤涓撳埄浜氶槇鍊煎姛鐜囦紭鍖栨妧鏈�紙Subthreshold Power Optimized Technology锛� SPOT锛夊钩鍙版潵瀹炵幇鎯婁汉鐨勫姛鑰楅檷浣庯紝鍏跺姛鑰楅€氬父姣旀€ц兘鐩歌繎鐨勫叾瀹僊CU浜у搧闄嶄綆5鑷�10鍊嶃€�
+
+Apollo2 MCU閲囩敤32浣岮RM Cortex-M4F寰�帶鍒跺櫒锛岄泦鎴愪簡楂樿揪1 MB鐨勯棯瀛樺拰256 KB鐨凴AM锛屼互閫傚簲鏃犵嚎鐢靛拰浼犳劅鍣ㄥ紑閿€锛屽悓鏃朵粛鐣欐湁瓒冲�鐨勫簲鐢ㄤ唬鐮佺┖闂淬€傝�寰�帶鍒跺櫒杩樺寘鎷�覆琛屼富鏈哄拰UART绔�彛锛岀敤浜庝笌鏃犵嚎鐢靛拰浼犳劅鍣ㄩ€氫俊锛屽寘鎷�姞閫熷害璁★紝闄€铻轰华鍜岀�鍔涜�銆�
+
+```
 Features
 Ultra-low supply current
-    10 μA/MHz executing from flash at 3.3 V
-    10 μA/MHz executing from RAM at 3.3 V
+    10 渭A/MHz executing from flash at 3.3 V
+    10 渭A/MHz executing from RAM at 3.3 V
 
 High-performance ARM Cortex-M4 Processor
     Up to 48 MHz clock frequency
@@ -31,15 +34,16 @@ Flexible serial peripherals:
 
 Rich set of clock sources:
     32.768 kHz XTAL oscillator
-    Low frequency RC oscillator – 1.024 kHz
-    High frequency RC oscillator – 48 MHz
-    RTC based on Ambiq’s AM08X5/18X5 families
+    Low frequency RC oscillator 鈥� 1.024 kHz
+    High frequency RC oscillator 鈥� 48 MHz
+    RTC based on Ambiq鈥檚 AM08X5/18X5 families
 
-Wide operating range: 1.8-3.6 V, –40 to 85°C
+Wide operating range: 1.8-3.6 V, 鈥�40 to 85掳C
 
 Compact package options:
     2.5 x 2.5 mm 49-pin CSP with 34 GPIO
     4.5 x 4.5 mm 64-pin BGA with 50 GPIO
 
 Board info
-    Apollo2 Evaluation Board（http://ambiqmicro.com/apollo-ultra-low-power-mcu/apollo2-mcu-20170703/）
+    Apollo2 Evaluation Board锛坔ttp://ambiqmicro.com/apollo-ultra-low-power-mcu/apollo2-mcu-20170703/锛�
+```