Chip-cn-dat/Beken-dat/BK3513-dat/2026-06-02-18-50-21.png
... ...
Binary files /dev/null and b/Chip-cn-dat/Beken-dat/BK3513-dat/2026-06-02-18-50-21.png differ
Chip-cn-dat/Beken-dat/BK3513-dat/2026-06-02-18-52-11.png
... ...
Binary files /dev/null and b/Chip-cn-dat/Beken-dat/BK3513-dat/2026-06-02-18-52-11.png differ
Chip-cn-dat/Beken-dat/BK3513-dat/2026-06-02-18-54-49.png
... ...
Binary files /dev/null and b/Chip-cn-dat/Beken-dat/BK3513-dat/2026-06-02-18-54-49.png differ
Chip-cn-dat/Beken-dat/BK3513-dat/2026-06-02-19-01-02.png
... ...
Binary files /dev/null and b/Chip-cn-dat/Beken-dat/BK3513-dat/2026-06-02-19-01-02.png differ
Chip-cn-dat/Beken-dat/BK3513-dat/BK3513-dat.md
... ...
@@ -0,0 +1,54 @@
1
+
2
+
3
+# BK3513-dat
4
+
5
+
6
+- datasheet == X
7
+
8
+- [[BK3513-dat]] - [[beken-dat]]
9
+
10
+- [[AC410x-dat]]
11
+
12
+- [[L2CAP-dat]]
13
+
14
+![](2026-06-02-18-50-21.png)
15
+
16
+
17
+The BK3513 most commonly refers to an integrated circuit (IC) chip manufactured by BEKEN, a single-chip radio and baseband processor often used in Bluetooth modules, controllers (such as ShanWan PS3 gamepads), and wireless IoT devices.
18
+
19
+## SCH
20
+
21
+![](2026-06-02-18-52-11.png)
22
+
23
+
24
+
25
+
26
+AC4101
27
+
28
+![](2026-06-02-18-54-49.png)
29
+
30
+
31
+JL AC1522C6230Q
32
+
33
+![](2026-06-02-19-01-02.png)
34
+
35
+
36
+SPI FLASH芯片，8M-BIT大小，应该用来起缓冲作用以及存储一些开机音频、搜索到的FM电台频率吧。
37
+
38
+BK3513作为低成本蓝牙控制器，广泛应用于智能家居、健康监测等低功耗设备中。在与 [[ESP32-dat]] 的通信中，[[L2CAP-dat]] 协议因支持面向连接的可靠传输，成为数据交互的首选方案。但实际开发中常出现以下问题：
39
+
40
+- 连接建立后频繁断开
41
+- 数据传输速率远低于理论值
42
+- 认证失败导致通信被拒绝
43
+
44
+L2CAP协议栈架构
45
+
46
+ESP-IDF的蓝牙协议栈基于Bluedroid实现，L2CAP层位于HCI（主机控制器接口）与RFCOMM（射频通信）之间，负责数据的分段与重组。关键代码实现位于components/bt/host/bluedroid/bta/jv/bta_jv_main.c，定义了L2CAP连接管理的核心函数：
47
+
48
+1. PSM值不匹配
49
+2.
50
+BK3513默认使用动态PSM（协议/服务多路复用器）0x1001，而ESP-IDF示例中常使用0x1000。在examples/bluetooth/bluedroid/classic_bt/bt_l2cap_client/main/main.c中定义：
51
+
52
+ 34:#define BT_L2CAP_DYNMIC_PSM 0x1001
53
+
54
+若双方PSM值不一致，将直接导致连接请求被拒绝。
... ...
\ No newline at end of file
Chip-cn-dat/Beken-dat/beken-dat.md
... ...
@@ -10,7 +10,19 @@ module - [[NBL1012-dat]] - [[NBL1022-dat]] == [[beken-dat]]
10 10
- [[RF-dat]] - [[radio-dat]] - [[BK1080-dat]]
11 11
12 12
13
+- [[BK3513-dat]] - [[beken-dat]] - [[BK3515-dat]] - [[BK3511-dat]]
13 14
15
+- [[BK3296-dat]] - [[BK3266-dat]]
16
+
17
+- [[BK3437-dat]] - [[BK3435-dat]] - [[BK3432-dat]]
18
+
19
+BK3437,上海博通ble5.2
20
+
21
+2.4G无线麦克风方案——采用上海博通 [[BK32881-dat]]，高性价比
22
+
23
+- [[BK3633-dat]]
24
+
25
+- [[BK3433-dat]]
14 26
15 27
## Proprietary
16 28