ACS ACR38U-N1 manual

ACS ACR38U-N1
6.7 · 1
PDF manual
 · 79 pages
English
manualACS ACR38U-N1
ACR38x (CCID) Reference Manual info@acs.com.hk
Version 6.05

www.acs.com.hk

Page 10 of 79

7.0. Communication Protocol

ACR38x (CCID) shall interface with the host through the USB connection. A specification, namely
CCID, has been released within the industry defining such a protocol for the USB chip-card interface
devices. CCID covers all the protocols required for operating smart cards.
Note: The configurations and usage of USB endpoints on ACR38x (CCID) shall follow CCID Rev 1.0
Section 3.
An overview is summarized below:
1. Control Commands are sent on control pipe (default pipe). These include class-specific
requests and USB standard requests. Commands that are sent on the default pipe report
information back to the host on the default pipe.
2. CCID Events are sent on the interrupt pipe.
3. CCID Commands are sent on BULK-OUT endpoint. Each command sent to ACR38x (CCID)
has an associated ending response. Some commands can also have intermediate responses.
4. CCID Responses are sent on BULK-IN endpoint. All commands sent to ACR38x (CCID)
have to be sent synchronously (e.g. bMaxCCIDBusySlots is equal to 01h for ACR38x
(CCID)).
The ACR38x (CCID) supported CCID features are indicated in its Class Descriptor:
Offset Field Size Value Description
0
bLength
1
Size of this descriptor, in bytes.
1
bDescriptorType
1
CCID Functional Descriptor type.
2
bcdCCID
2
CCID Specification Release Number in
Binary-coded decimal.
4
bMaxSlotIndex
1
One slot is available on ACR38x
(CCID).
5
bVoltageSupport
1
ACR38x (CCID) can supply 1.8 V, 3 V,
and 5 V to its slot.
6
dwProtocols
4
ACR38x (CCID) supports T=0 and T=1
protocol.
10
dwDefaultClock
4
Default ICC clock frequency is 4 MHz.
14
dwMaximumClock
4
Maximum supported ICC clock
frequency is 4 MHz.
18
bNumClockSupported
1
Does not support manual setting of
clock frequency.
19
dwDataRate
4
Default ICC I/O data rate is 10752 bps.
23
dwMaxDataRate
4
Maximum supported ICC I/O data rate
is 344 Kbps.
27
bNumDataRatesSupported
1
Does not support manual setting of
data rates.
28
dwMaxIFSD
4
Maximum IFSD supported by ACR38x
(CCID) for protocol T=1 is 254.
32
dwSynchProtocols
4
ACR38x (CCID) does not support
synchronous card.
36
dwMechanical
4
ACR38x (CCID) does not support
special mechanical characteristics.

Manual

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ACS ACR38U-N1 specifications

Below you will find the product specifications and the manual specifications of the ACS ACR38U-N1.

General
BrandACS
ModelACR38U-N1 | ACR38U-N1
Productpayment terminal
EAN0190268123662, 0660335876888, 0706551121699, 0707430110490, 0760079617874, 0796389775966, 0798033553890, 4894560168012, 5712505801550, 9010640758576, 6889284468034, 6889284120178
LanguageEnglish
FiletypeUser manual (PDF)
Weight & dimensions
Width20 mm
Height58 mm
Depth13.7 mm
Weight12 g
Design
Product colorBlack
Placement supportedIndoor
LED indicatorsYes
Operational conditions
Operating temperature (T-T)0 - 60 °C
Operating relative humidity (H-H)0 - 90 %
Sustainability
Sustainability certificatesRoHS
Ports & interfaces
InterfaceUSB 2.0
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Frequently Asked Questions

Can't find the answer to your question in the manual? You may find the answer to your question in the FAQs about the ACS ACR38U-N1 below.

What is the weight of the ACS ACR38U-N1?

The ACS ACR38U-N1 has a weight of 12 g.

What is the height of the ACS ACR38U-N1?

The ACS ACR38U-N1 has a height of 58 mm.

What is the width of the ACS ACR38U-N1?

The ACS ACR38U-N1 has a width of 20 mm.

What is the depth of the ACS ACR38U-N1?

The ACS ACR38U-N1 has a depth of 13.7 mm.

Is the manual of the ACS ACR38U-N1 available in English?

Yes, the manual of the ACS ACR38U-N1 is available in English .

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