Texas Instruments CC2520, User Manual

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7.10 Debug Connectors (P18 and P20)
The debug connectors bring out all the signals from the EM connectors. These connectors
are compatible with Agilent logic analyser probes. The connectors allow easy access to I/O
signals and to connect prototyping boards.
Signal name Pin Pin Signal name
NC 1 2 NC
NC 3 4 EM_FLASH_CS
EM_BUTTON1 5 6 EM_LED1
EM_UART_RX 7 8 EM_JOYSTICK_RT
EM_UART_TX 9 10 EM_DBG_DD
EM_LCD_MODE 11 12 EM_DBG_DC
EM_LCD_FLASH_RESET 13 14 EM_CS
EM_JOY_LEVEL 15 16 EM_SCLK
EM_POT_R 17 18 EM_MOSI
EM_MISO 19 20 GND
Table 3 - I/O connector P18 pin-out
Signal name Pin Pin Signal name
NC 1 2 NC
NC 3 4 EM_LED2
PS_PWR_SNOOZE 5 6 EM_LED2
EM_VCC 7 8 EM_LED4
NC 9 10 EM_JOYSTICK_PUSH
EM_JOYSTICK_UP 11 12 EM_JOYSTICK_DN
EM_JOYSTICK_LT 13 14 EM_UART_CTS
EM_RESET 15 16 EM_BUTTON2
EM_LCD_CS 17 18 EM_UART_RTS
EM_JOY_MOVE 19 20 GND
Table 4 - I/O connector P20 pin-out
7.11 EM connectors
The EM connectors are used for connecting the EM to the SmartRF
®
05EB. The connectors
P5 and P6 are used as the main interface.