BC41B143A-ds-003Pc CSR, BC41B143A-ds-003Pc Datasheet - Page 82

• Manufacturer Part Number: BC41B143A-ds-003Pc
• Description: Blue Core ROM Plug-n-Go
• Manufacturer: CSR

10.11.1 Pin States on Reset
Table 10.12 shows the pin states of BlueCore4-ROM Plug-n-Go on reset.
10.11.2 Status after Reset
The chip status after a reset is as follows:
BC41B143A-ds-003Pc
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
RF_IN
XTAL_IN
XTAL_OUT
(1)
Warm Reset: Baud rate and RAM data remain available
Cold Reset
A Cold Reset is either Power cycle, system reset (firmware fault code) or Reset signal. See section 10.11.
(1)
: Baud rate and RAM data not available
Table 10.12: Pin States of BlueCore4-ROM Plug-n-Go on Reset
State: BlueCore4-ROM Plug-n-Go
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, 250k to XTAL_OUT
High impedance, 250k to XTAL_IN
© Cambridge Silicon Radio Limited 2005
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Device Terminal Descriptions
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