San Jose Technology TK-1722, User Manual

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All specifications subject to change without prior notice.
San Jose Technology, Inc. ｜ 11F., No.2, Sec. 4, Jhongyang Rd., Tucheng City, Taipei County 236, Taiwan(R.O.C.)
Tel: 886-2-22694456
｜
Fax: 886-2-22694451
｜
sanav@sanav.com
www.sanav.com
Chapter 2 Pin Assignment
2.1 Pin Assignment
Figure 2.1 shows the pin definitions of TK-1722. Table 2.1 describes the corresponding
definitions for pins.
Figure 2.1 TK-1722 Pin definitions
Pin Name Type Description
1 TX_B O CMOS level asynchronous output for UART B
2 RX_B I CMOS level asynchronous input for UART B
3 TX_A O CMOS level asynchronous output for UART A
4 RX_A I
CMOS level asynchronous input for UART A
PULL HIGH is required
( please refer to p.6 for reference design )
5 NC None
6 VCC P Main power input ( 3.0 –3.6VDC )
7 GND P Ground
8
V1.8
1.8V DC Output
9 NC None
10 RESET I Keep floating ( System Reset, active low )
11
VBAT
P Backup Battery Input ( 1.8 ~ 3.6VDC )
12 BOOT I Keep floating ( For internal manufacturing use )
13 GND P Ground
14 GND P Ground
15 RFGND RF RF ground
16 RFIN RF RF input