diff options
Diffstat (limited to 'nuttx/configs/pirelli_dpl10/README.txt')
| -rw-r--r-- | nuttx/configs/pirelli_dpl10/README.txt | 70 |
1 files changed, 67 insertions, 3 deletions
diff --git a/nuttx/configs/pirelli_dpl10/README.txt b/nuttx/configs/pirelli_dpl10/README.txt index 3df496b4a..b53a25917 100644 --- a/nuttx/configs/pirelli_dpl10/README.txt +++ b/nuttx/configs/pirelli_dpl10/README.txt @@ -1,10 +1,11 @@ pirelli_dpl10 ============= -This directory contains the board support for Pirelli "Discus" DP-L10 phones. +This directory contains the board support for Pirelli "Discus" DP-L10 +phones. -It is a variant of the compal_e88 configuration with the small change of -enabling the IrDA serial console: +This port is a variant of the compal_e88 configuration with the small +change of enabling the IrDA serial console: * CONFIG_SERIAL_IRDA_CONSOLE=y @@ -52,3 +53,66 @@ o highram is for phones having the romloader(if the phone has a bootrom) or for loading in the ram trough a special loader(loaded first on ram by talking to the ramloader) when having a ramloader(which can only load 64k). + +JTAG and Alternative Serial Console +=================================== + +JTAG + All JTAG lines, as well as the second uart (UART_MODEM), go to the + unpopulated connector next to the display connector. + + --- --------------------------- + PIN SIGNAL + --- --------------------------- + 1 Vcc + 2 RX_MODEM + 3 TESTRSTz (Iota) + 4 TDI + 5 TMS + 6 TCK + 7 TX_MODEM + 8 TDO + 9 N/C + 10 GND + 11 N/C + 12 N/C + --- --------------------------- + +JTAG Apapter: + + ------- ----------- --------------- -------------------------------------- + JTAG 20-PIN DESCRIPTION NOTES + SIGNAL CONNECTOR + ------- ----------- --------------- -------------------------------------- + Vcc 1, 2 Vcc + nTRST 3 Reset Connect this pin to the (active + low) reset input of the target MCU. + Some JTAG adapters driver nTRST (high + and low). Others can can configure + nTRST as open collector (only drive + low). + GND 4, 6, 8, Ground + 10, 12, 14, + 16, 20 + TDI 5 JTAG Test Data Use 10K-100K Ohm pull-up resistor to + Input VCC + TMS 7 JTAG Test Mode Use 10K-100K Ohm pull-up resistor to + Select VCC + TCK 9 Clock into the Use 10K-100K Ohm pull-down resistor to + core GND + RTCK 11 Return clock Some JTAG adapters have adaptive clocking + using an RTCK signal. + DBGSEL 11 Debug Select Some devices have special pins that + enable the JTAG interface. For example, + on the NXP LPC2129 the signal RTCK must + be driven low during RESET to enable the + JTAG interface. + TDO 13 JTAG Test Data Use 10K-100K Ohm pull-up resistor to VCC + Output + DBGRQ 17 N/C + DGBACK 19 N/C + ISP ?? ISP Most NXP MCU's have an ISP pin which + (when pulled low) can be used to cause + the MCU to enter a bootloader on reset. + Use 10K-100K Ohm pull up resistor. + ------- ----------- --------------- -------------------------------------- |