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TC35680FSG Datasheet(PDF) 16 Page - Toshiba Semiconductor

Part # TC35680FSG
Description  TC35680FSG-002/TC35681FSG-002 Bluetooth® Low Energy IC
PDF  91 Pages
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Manufacturer  TOSHIBA [Toshiba Semiconductor]
Direct Link  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TC35680FSG Datasheet(HTML) 16 Page - Toshiba Semiconductor

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TC35680FSG-002/TC35681FSG-002
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2019-04-04
Limitation on Assignment of UART Function to GPIO
The UART which can be assigned to GPIO in TC35680/TC35681 is shown in Table 2-4. The GPIO’s which can be assigned to the
UART interface depend on an operating mode.
Table 2-4 GPIO assignment of 2 UART interfaces (QFN package)
Operating mode
HCI mode/Complete mode
User-App mode
UART1-TX
GPIO5 is used. (Non-modifiable)
GPIO5 can be used.
UART1-RX
GPIO6 is used. (Non-modifiable)
GPIO6 can be used.
UART1-RTSX
Only GPIO7 can be used.
Either GPIO7 or GPIO13 can be used. (Note 1)
UART1-CTSX
Only GPIO8 can be used.
Either GPIO8 or GPIO14 can be used. (Note 1)
UART2-TX
Not assigned
GPIO16 can be used.
UART2-RX
Not assigned
GPIO17 can be used.
UART2-RTSX
Not assigned
GPIO13 can be used. (Note 1)
UART2-CTSX
Not assigned
GPIO14 can be used. (Note 1)
Note 1: GPIO13 cannot be assigned to both UART1-RTSX and UART2-RTSX at the same time.
GPIO14 cannot be assigned to both UART1-CTSX and UART2-CTSX at the same time.
Limitation on Assignment of I2C Function to GPIO
TC35681 uses GPIO7 and GPIO8 as the channel 1 of I2C1 interface to an EEPROM which stores a user application program.
Another channel of the I2C interface cannot be assigned in the start-up sequence.
Table 2-5 Assignment of 2 I2C interfaces
Product
TC35680
TC35681
Operating mode
HCI mode/
Complete mode
User-App mode
HCI mode/
Complete mode
User-App mode
I2C-SCL1
GPIO7 can be used.
GPIO7 can be used.
GPIO7 is used. (Non-modifiable)
I2C-SDA1
GPIO8 can be used.
GPIO8 can be used.
GPIO8 is used. (Non-modifiable)
I2C-SCL2
GPIO9 and GPIO11 can be used.
GPIO9 and GPIO11 can be used.
I2C-SDA2
GPIO10 and GPIO12 can be used.
GPIO10 and GPIO12 can be used.



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