User's Manual

12Mbps
and MFRC531 chips.
This device complies with part 15 of the FCC Rules.
Page 5 of 5
Universal Terminal UT1
Version 0.03 Oct 2008
\
6.0
Implementation
The ACR128U is built based on the
TDK73S1121F
FCC Warning:
Operation is subject to the following two
conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause
undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void
the user’s authority to operate the equipment.
TDK73S1121F
Controller
Built-In
Antenna
Host
Controller
USB
Interface
Contactless
Tag
Contactless Interface
Carrier = 13.56MHz
Serial Interface
115200 Kbps
ACR128U System Block Diagram
SAM
(optional)
<Peripherals>
- Bi-Color LED
- Buzzer
Contactl
Tag
ACR128U Contact and Contactless Smart Card Reader and Writer
U3
12MHz
MFRC531
Parallel
uController
Interface
Crystal:
Crystal:
13.56MHz