HBM1X1M
Bluetooth V1.2 Class 1 Module
Data Book
1.5 Device Terminal Functions
Function
Pin Name
PCM_OUT
PCM_IN
PIN No
27
18
26
17
20
19
24
21
35
Active low
32
33
31
25
23
resistor
Description
Synchronous data output
Synchronous data input
Synchronous data clock
Synchronous data sync
UART data output
UART data input (idle status high)
UART request to send, active low
UART clear to send, active low
Chip select for Synchronous Serial Interface
PCM Interface
PCM_CLK
PCM_SYNC
UART_TX
UART_RX
UART Interface
UART_RTS
UART_CTS
SPI_CSB
SPI Interface
SPI_CLK
SPI_MISO
SPI_MOSI
USB_DN
USB Interface
USB_DP
Serial Peripheral Interface clock
Serial Peripheral Interface data output
Serial Peripheral Interface data input
USB data minus
USB plus with selectable internal 1.5K pull-up
Don’t use this pin, this pin is used for controlling
PIO0
42
external PA & LNA
Don’t use this pin, this pin is used for controlling
PIO1
PIO2
PIO3
PIO4
PIO Interface
PIO5
PIO6
PIO7
PIO8
PIO9
PIO10
PIO11
30
29
16
36
37
38
39
UART Bypass(UART_RTS)
UART Bypass(UART_CTS) / E2PROM(SCL)
UART Bypass(UART_RX) / E2PROM(SDA)
E2PROM (write protect)
Programmable input/output line
Programmable input/output line
Programmable input/output line
43
external PA & LNA
41
40
28
Programmable input/output line
Programmable input/output line
UART Bypass(UART_TX)
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