BC26 HDK

Version Selection

• BC26ND - 电信
• BC26ND-04-B5 - B5 band
• BC26ND-04-B8 - B8 band

• BC26NC-04-STD

• BC26NE - 移动联通
• BC26NB - NBIOT

• BC260YCNAA-I03-CNASA
• BC26NF

Type	LTE-FDD	Note	Foot Print	Compatible
BC26NB-04-STD	B1 / B2 / B3 / B4 / B5 / B8 / B12 / B13 / B17 / B18 / B19 / B20 / B25 / B26 / B28 / B66		18x16	BC2x Smaller series
BC26NC-04-STD	B3 B5 (China Telecom, Europe, AU, TH) B8 (China Mobile; unicom)		18x16	BC2x Smaller series
BC26NH-04-B5	B5 (China Telecom, Europe, AU, TH)		18x16	BC2x Smaller series
BC26NF-04-B8	B8 (China Mobile; unicom)		18x16	BC2x Smaller series

Quick Start Guide

• Baudrate - 115200
• Short connect BOOT pin to 3.3V or VIN for 1-2 seconds to BOOT, NET LED will ON for one second

F1: 0000 0000
V0: 0000 0000 [0001]
00: 0006 000C
01: 0000 0000
U0: 0000 0001 [0000]
T0: 0000 00B4
Leaving the BROM
AT
OK

• If output error mesasge, try to switch backside 3-way jumper to 3.3V or remove it, or add pull up resistor on receiver RX pin

Jumper

• Front 2-way Jumper: VIN=5V
• Back 2-way Jumper: PWRKEY Pulldown to auto boot
• Back 3-way Jumper: Logic 3V3 or 5V select

Pin Deifinition

• VIN / GND / DTX / DRX /
• SMI = SPI MISO
• SMO = SPI MOSI
• SLK = SPI SCK
• SCS = SPI CS
• MPR = MCU PWRKEY
• ADC
• 3V3

Right Side

• +5V
• GND
• ATX = AUX TXD
• ARX = AUX RXD
• RI
• INT = PSM_EINT
• TXD
• RXD
• NET = NETLIGHT
• RESET
• VEX = VDD_EXT

SCH

• 

  BC26 SCH

• 

  BC26 SCH -2 ?