Philips LPC2138 pinJTAG Debug Connector P33, pinMictor JTAG Debug & ETM Trace Connector P32

20-pin JTAG Debug Connector (P33)

Not used	1	2	T3V3
CPU_TRST	3	4	GND
CPU_TDI	5	6	GND
CPU_TMS	7	8	GND
CTCK	9	10	GND
Not used	11	12	GND
CPU_TDO	13	14	GND
CPU_RESET	15	16	GND
Not used	17	18	GND
Not used	19	20	GND

An external JTAG debug tool can be connected to a 20-pin P33 debug connector. Jumper J9 must be set to 2-3 position when using an external debugger.

38-pin Mictor JTAG Debug & ETM Trace Connector (P32)

Signal	Pin	Pin	Signal
Not used	1	2	Not used
Not used	3	4	Not used
GND	5	6	TRACECLK
Not used	7	8	Not used
CPU_RESET	9	10	Not used
CPU_TDO	11	12	T3V3
GND	13	14	Not used
CTCK	15	16	GND
CPU_TMS	17	18	GND
CPU_TDI	19	20	GND
CPU_TRST	21	22	GND
GND	23	24	P1.19
GND	25	26	P1.18
GND	27	28	P1.17
GND	29	30	P1.16
GND	31	32	P1.20
GND	33	34	P1.23
GND	35	36	P1.22
GND	37	38	P1.21

An external JTAG & ETM debug tool can be connected to a 38-pin Mictor P32 debug connector. Jumper J9 must be set to 2-3 position when using an external debugger.

© iSYSTEM, March 2007 8/13