DE-630 Hardware User’s Guide
Version : 1.1 DUALi Inc.
(http://www.duali.com)
7
2.2
The block diagram of DE-630
STM32F103
(256Kbytes Flash,
48Kbytes SRAM,
84bytes Battery backup SRAM
POWER
(DC 12V)
Buzzer
RF CHIP(U9)
RC632
ANTENNA
4 *
상태
Battery
Tamper
switch
RS-232
RS-485
LCD(128*64 graphic)
4 * SAM
Nor Flash
PSRAM
13.56
MHz
32.768
kHz
12
MHz