EV-GM-00-1.0 SkyeTek, EV-GM-00-1.0 Datasheet - Page 17

• Manufacturer Part Number: EV-GM-00-1.0
• Description: RF Development Tools Gemini Eval Kit ISO14443, ISO18094
• Manufacturer: SkyeTek
• Type: RF Readersr

Specifications of EV-GM-00-1.0

• Rohs: yes
• Product: Evaluation Kits
• Tool Is For Evaluation Of: ISO14443, ISO18092
• Frequency: 13.56 MHz
• Operating Supply Voltage: 5 V
• Description/function: Evaluation kit for SkyeModule Gemini NFC OEM reader module
• Interface Type: I2C, Serial, SPI, USB
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 20 C
• For Use With: ISO14443, ISO18092

Main 720.328.3425 Fax:[phone]
Pin
1
3
5
7
9
11
13
15
17
19
21
23
SkyeModule Gemini Datasheet
6.2
The SkyeModule Gemini host connector is a 24-pin through-hole 2mm pitch part. As explained in the
previous section, no connectors are populated in the standard version SM-GM-00. The pin numbers are
located as illustrated in Figure 6-1 below. The pin mappings and descriptions are described in Table 6-2.
Note that all unconnected pins should be left floating.
NOTE
Name
GPIO0
GPIO1
GPIO2
GPIO3_DR
VIN
USB_DP
USB_DN
VIN
3V3_OUT
N_RESET
NC
NC
Host Interface Connector Pin Mapping
– The silkscreen on J3 incorrectly shows pin 1 at pin 23.
Description
User configurable GPIO
User configurable GPIO
User configurable GPIO
User configurable GPIO, Data
Ready (see SPI and I2C modes)
Input power supply pin
USB positive
USB negative
Input power supply pin
3.3V supply output pin
Active low reset. Pulled high
when unconnected (inactive).
Not Connected
Not Connected
J3
Figure 6-1: Host Interface Connector Pin Numbering
24
23
Table 6-2: SkyeModule Gemini Pin Descriptions
22
21
20
19
Host Interface Connector (2mm)
J4
18
17
I/O
I/O
I/O
I/O
I/O
Input
I/O
I/O
Input
Output
Input
N/A
N/A
Top of Board
16
15
1
USB Micro
Recepticle
2
14
13
Pin
2
4
6
8
10
12
14
16
18
20
22
24
3
12
11
4
Name
RXD
TXD
NC
N_DEEP_SLEEP
GND
SCL
SDA
GND
MISO
MOSI
SCK
SSEL
10
9
5
8
7
6
5
Description
UART receive
UART transmit
Not Connected
Active low deep sleep. Iternally
pulled high when unconnected
(inactive).
Ground
I
I
Ground
SPI master in, slave out
SPI master out, slave in
SPI clock in
SPI slave select
2
2
C Clock
C Data
4
3
1525 Market St. Ste 200
2
1
Denver, CO 80202
www.skyetek.com
Skyetek Inc
Page
I/O
Input
Output
N/A
Input
Input
Input
I/O
Input
Output
Input
Input
Input
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