Chip-cn-dat/EY-dat/EY-34-dat/2026-04-29-12-25-35.png
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Chip-cn-dat/EY-dat/EY-34-dat/EY-34-dat.md
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@@ -42,6 +42,91 @@ Main advantage: high-speed communication. When connected via SPP to a phone or P
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- [[NBL1064-dat]]
44 44
45
+## usage
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+
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+### Mode selection
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+
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+1. For multi-connected printer products, use:
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+
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+ `AT+BTMODE0`
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+
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+2. For high-speed transparent transmission with only a phone app or a PC Bluetooth connection, use:
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+
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+ `AT+BTMODE1`
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+
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+3. For EY-34 master/slave communication, use:
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+
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+ `AT+BTMODE1`
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+
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+### Master/slave communication example
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+
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+Configure both the master and slave as:
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+
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+`AT+BTMODE1`
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+
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+Then follow this sequence:
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+
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+1. The master sends `AT+INQ` to search for slave devices.
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+2. After a slave is found, send `AT+CONA` followed by the slave MAC address through UART to connect.
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+3. After the connection is established, the `STAT` pin goes HIGH.
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+4. The UART also prints connection information, indicating that the link is active.
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+5. Once connected, transparent data transmission can begin.
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+
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+![](2026-04-29-12-25-35.png)
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+
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+When the slave is connected, it outputs:
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+
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+```text
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++CONNECTED>>0x200428301589,1
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+```
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+
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+Meaning:
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+
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+
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+- `200428301589` is the master MAC address.
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+- `1` is the current master ID.
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+
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+When the master sends `AT+INQ`, the search results may look like this:
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+
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+```text
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++DEV:1=200428301578,JDY-34-SPP
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++DEV:2=200428301584,JDY-34-SPP
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++DEV:3=200428301580,JDY-34-SPP
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++SINQ
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+```
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+
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+This means that 3 slave devices were found, along with their MAC addresses and broadcast names.
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+
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+If the master chooses to connect to slave `200428301580`, send:
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+
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+`AT+CONA200428301580`
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+
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+After the master connects successfully, it outputs:
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+
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+```text
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++CONNECTED>>0x200428301580,1
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+```
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+
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+Meaning:
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+
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+- `200428301580` is the slave MAC address.
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+- `1` is the slave ID.
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+
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+### Master binding example
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+
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+In `AT+ROLE1` mode, the master can bind to a slave by sending `AT+BAND` followed by the slave MAC address.
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+
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+Example:
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+
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+`AT+BAND112233445566`
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+
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+After the master connects to a bound slave, it will keep reconnecting to that same slave as long as the slave remains within range. The master will try to maintain the connection continuously.
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+
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+To connect the master to a different slave, first clear the current binding with `AT+CLRBAND`, then bind or connect to the new device.
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+
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+
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+
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+
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## ref
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- [[EY-dat]]
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\ No newline at end of file
Chip-dat/renesas-dat/Dialog-dat/Dialog-dat.md
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@@ -10,6 +10,17 @@
10 10
11 11
- [[da14585-dat]] - [[da14580-dat]]
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13
+DA14580 is selected by Xiaomi Bracelet. DA14580 is the world's smallest, lowest power, and most integrated Bluetooth smart SoC.
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+
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+- [[DA14580-dat]]
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+
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+
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+
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+- [[MDK-ARM-dat]]
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+
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+
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+
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+
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## repo
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Chip-dat/renesas-dat/renesas-dat.md
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@@ -2,6 +2,7 @@
2 2
# Renesas-dat
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+- [[da14585-dat]] - [[da14580-dat]] - [[dialog-dat]]
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## RS232
... ...
@@ -10,20 +11,6 @@ HIN202E, HIN206E, HIN207E, HIN208E, HIN211E, HIN213E, HIN232E
10 11
11 12
https://www.renesas.com/en/document/dst/hin202e-hin206e-hin207e-hin208e-hin211e-hin213e-hin232e-datasheet
12 13
13
-## other
14
-
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-- [[da14585-dat]] - [[da14580-dat]]
16
-
17
-- [[dialog-dat]]
18
-
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-
20
-DA14580 is selected by Xiaomi Bracelet. DA14580 is the world's smallest, lowest power, and most integrated Bluetooth smart SoC.
21
-
22
-- [[DA14580-dat]]
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-
24
-
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-
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-- [[MDK-ARM-dat]]
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## digitizer-dat