STA2500DTR STMICROELECTRONICS [STMicroelectronics], STA2500DTR Datasheet - Page 17

• Manufacturer Part Number: STA2500DTR
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

STA2500D
Table 14.
1. In order to get other SPI modes, the Host must send a specific configuration at start-up in addition of these configuration
4.3
Table 15.
BT_CONFIG_1 BT_CONFIG_2 BT_CONFIG_3
I/O supply
BT_VIO_A
BT_VIO_B
pins.
name
0
0
1
1
1
1
0
0
Configuration programming
I/O Supply
The device STA2500D has two different I/O supplies: BT_VIO_A and BT_VIO_B.
The two different pins may be potentially connected to separate dedicated voltage supplies
in order to harmonize the digital levels to the platform.
They are linked to different interfaces as described in
I/O supply split diagram
1.65 - 2.85
1.17 - 2.85
range [V]
Voltage
1
1
1
1
0
0
0
0
Low - power clock
Control (GPIO)
Configuration
GPIO (JTAG)
UART (SPI)
Function
Control
Control
GPIO
PCM
0
1
0
1
0
1
1
0
Enhanced H4 SPI
Doc ID 16067 Rev 1
Communication
BT_CONFIG_1, BT_CONFIG_2, BT_CONFIG_3
BT_WAKEUP
BT_RESETN
BT_CLK_REQ_OUT_1, BT_CLK_REQ_OUT_2
BT_GPIO_8 (JTAG_TCK), BT_GPIO_9 (JTAG_TDI),
BT_GPIO_10 (JTAG_TMS), BT_GPIO_11 (JTAG_TDO),
BT_GPIO_16 (JTAG_NTRST)
BT_PCM_A, BT_PCM_B, BT_PCM_SYNC, BT_PCM_CLK
BT_REG_CTRL
BT_UART_RXD (SPI_DI), BT_UART_TXD (SPI_DO),
BT_UART_RTS (SPI_CSN), BT_UART_CTS (SPI_CLK),
BT_HOST_WAKEUP (SPI_INT)
BT_CLK_REQ_IN_1 (GPIO_1), BT_CLK_REQ_IN_2 (GPIO_2)
BT_GPIO_0
BT_LP_CLK
Reserved
Reserved
Reserved
Reserved
Reserved
H4 UART
H4 UART
Protocol
(1)
BT_CLK_REQ_OUT_1 BT_CLK_REQ_OUT_2
Table
Active high
Active high
Active low
Associated pins
Reserved
Reserved
Reserved
Reserved
Reserved
15.
Depending on SW
Depending on SW
Active low
Reserved
Reserved
Reserved
Reserved
Reserved
config
config
Pinout
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