User`s manual

RTD Embedded Technologies, Inc. | www.rtd.com 14 COM16155ER/COM16155RER User’s Manual
Base Address
(Hexadecimal)
Jumpers
A8
A7
A6
A5
A4
A3
258
X
X
X
260
X
X
268
X
X
X
270
X
X
X
278
X
X
X
X
280
X
288
X
X
290
X
X
298
X
X
X
2A0
X
X
2A8
X
X
X
2B0
X
X
X
2B8
X
X
X
X
2C0
X
X
2C8
X
X
X
2D0
X
X
X
2D8
X
X
X
X
2E0
X
X
X
2E8
X
X
X
X
2F0
X
X
X
X
2F8
X
X
X
X
X
300
X
308
X
X
310
X
X
318
X
X
X
320
X
X
328
X
X
X
330
X
X
X
338
X
X
X
X
340
X
X
348
X
X
X
350
X
X
X
358
X
X
X
X
360
X
X
X
368
X
X
X
X
370
X
X
X
X
378
X
X
X
X
X
380
X
X
388
X
X
X
390
X
X
X
398
X
X
X
X
3A0
X
X
X
3A8
X
X
X
X
3B0
X
X
X
X
3B8
X
X
X
X
X
3C0
X
X
X
3C8
X
X
X
X
3D0
X
X
X
X
3D8
X
X
X
X
X
3E0
X
X
X
X
3E8
X
X
X
X
X
3F0
X
X
X
X
X
3F8
X
X
X
X
X
X
By default, the COM16155 comes configured with a base address of 0x3E8 for the GPS UART and 0x2E8 for the GSM UART.