bc41b143a07 ETC-unknow, bc41b143a07 Datasheet - Page 85

• Manufacturer Part Number: bc41b143a07
• Description: Single Chip Bluetooth
• Manufacturer: ETC-unknow

9.12.1 Pin States on Reset
Table 9.14 shows the pin states of BlueCore4-ROM on reset.
9.12.2 Status after Reset
The chip status after a reset is as follows:
CS-101564-DSP12
Pin Name
PIO[11:0]
PCM_OUT
PCM_IN
PCM_SYNC
PCM_CLK
UART_TX
UART_RX
UART_RTS
UART_CTS
USB_DP
USB_DN
SPI_CSB
SPI_CLK
SPI_MOSI
SPI_MISO
AIO[2:0]
RESET
RESETB
TEST_EN
AUX_DAC
TX_A
TX_B
RF_IN
XTAL_IN
XTAL_OUT
(1)
Warm Reset: Data Rate and RAM data remain available
Cold Reset
A Cold Reset is either Power cycle, system reset (firmware fault code) or Reset signal. See .
(1)
: Data Rate and RAM data not available
State: BlueCore4-ROM
Input with weak pull-down
Tri-state with weak pull-down
Input with weak pull-down
Input with weak pull-down
Input with weak pull-down
Output tri-state with weak pull-up
Input with weak pull-down
Output tri-state with weak pull-up
Input with weak pull-down
Input with weak pull-down
Input with weak pull-down
Input with weak pull-up
Input with weak pull-down
Input with weak pull-down
Output tri-state with weak pull-down
Output, driving low
Input with weak pull-down
Input with weak pull-up
Input with strong pull-down
High impedance
High impedance
High impedance
High impedance
High impedance, 250k to XTAL_OUT
High impedance, 250k to XTAL_IN
Table 9.14: Pin States of BlueCore4-ROM on Reset
Production Information
© CSR plc 2003-2007
Device Terminal Descriptions
Page 85 of 97