PayRange 00370 User Manual
Symbol
Description
Min
Max
Unit
Notes
T
STG
Storage temperature
-40
85
°C 1 VDD
+3.3V supply
-0.3
3.8 V
V
DIO
Digital input voltage
-0.3
VDD + 0.3
V
PayRange BluKey Module
User Manual
Introduction
The turnkey PayRange payment system includes several BluKey hardware devices for making payments
with a mobile app. Consumers maintain a prepaid balance on their smartphones and use it to make
payments at a variety of machines that can include vending, amusement, parking, transit ticketing, and
laundry equipment.
BluKey Module (BK Module) provides BluKey in a form factor suitable for easy integration into latest
generation of controller boards of vending and other kinds of machines that accept payments. It
provides a low-cost additional BOM for controller board and easy future upgrade path without redesign
of the controller board.
BK Module is implemented in a form factor and complies with mini PCI Express board standard (halfsize), so existing low-cost connectors and holders can be used, though it does not use PCI bus and
instead uses lower-end interfaces for easier software integration. Typically there is no change to the
software needed (if integration is performed using UART lines for MDB).
Usage
Usage selection requires software support from Payrange application. See Payrange.com for details.
I2C
The Blukey Module can control numerous I/Os through the I2C interface. Connect one or more
port expander circuits.
UART
The Blukey Module can communicate with a host over USB or UART using the Payrange Host
Protocol Version 1.0
Logic
The Blukey module can use its own internal GPIO to control payment devices such to imitate a
coin switch.
Specification
Electrical Characteristics
Absolute Maximum Ratings
1. Determined according to JEDEC Standard JESD22-A103, High Temperature Storage Life.
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Symbol
Description
Min
Typ
Max
Unit
TO
Operating temperature range
-30 - 85
°C
VDD
+3.3V supply voltage
3.0
3.3
3.6 V IDD
+3.3V supply current
- 200
mA
VIL
input logic level low
-0.4 - 0.35 x VDD
V
VIH
input logic level high
0.7 x
VDD
-
VDD + 0.4
V
VOH
Output high voltage
VDD –
0.5
- - V
VOL
Output low voltage
- - 0.5
V
Symbol
Description
Min.
Max.
Unit
Notes
V
HBM
Electrostatic discharge voltage, human body model
-2000
+2000
V
1
V
CDM
Electrostatic discharge voltage, charged-device
model
-500
+500
V
2
I
LAT
Latch-up current at ambient temperature of 105°C
-100
+100
mA 3
Pin
Name
Type
Pin
Name
Type
51
SATA Presence Detection
output, NC
52
+3.3V
power
49
Button
Input
50
GND
power
47
GPIO2
in/out
48
+1.5V
power
45
GPIO1
in/out
46
LED_Blue
output, open drain
43
PCIe Presence Detection
output, NC
44
LED_Red
output, open drain
41
+3.3V
power
42
LED_Option
output, open drain
39
+3.3V
power
40
GND
power
37
GND
power
38
USB_D+
in/out
35
GND
power
36
USB_D-
in/out
33
Reserved
NC
34
GND
power
31
Reserved
NC
32
I2C_SDA
in/out
29
GND
power
30
I2C_SCL
output, open drain
27
GND
power
28
+1.5V
power
25
Reserved
NC
26
GND
power
23
Reserved
NC
24
+3.3V
power
Operating Conditions
ESD handling ratings
1. Determined according to JEDEC Standard JESD22-A114, Electrostatic Discharge (ESD) Sensitivity
Testing Human Body Model (HBM).
2. Determined according to JEDEC Standard JESD22-C101, Field-Induced Charged-Device Model
Test Method for Electrostatic-Discharge-Withstand Thresholds of Microelectronic Components.
3. Determined according to JEDEC Standard JESD78, IC Latch-Up Test.
Connector Pinout
BK Module connector is standard 52-pin mini PCI Express edge connector.
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21
GND
power
22
[PERST#]
input
19
UART_AUX_TxD
output
20
[W_DISABLE#]
input
17
UART_AUX_RxD
input
18
GND
power
Mechanical Key
15
GND
power
16
Reserved
NC
13
Reserved
NC
14
Reserved
NC
11
Reserved
NC
12
Reserved
NC 9 GND
power
10
Reserved
NC 7 [CLKREQ#]
output, open drain
8
Reserved
NC 5 UART_TxD
output
6
+1.5V
power
3
UART_RxD
input
4
GND
power
1
[WAKE#]
output, open drain
2
+3.3V
power
Pin
Notes
Pin
Notes
51
NC, detect mSATA if GND
52
+3.3V
49
Optional, connect to a button dedicated to BK
function (other end to GND), mSATA: DA/DSS
50
GND
47
NC, Vendor (mSATA)
48
+1.5V
45
NC, Vendor (mSATA)
46
Optional, Blue LED for BK status, max
9mA, Vol 400mV
43
NC, detect mini PCIe if GND
44
Optional, Red LED for BK status, max
9mA, Vol 400mV
41
+3.3V
42
Optional, LED 3 for BK status, max
9mA, Vol 400mV
39
+3.3V
40
GND
37
GND
38
USB_D+ master / hub
35
GND
36
USB_D- master / hub
33
NC, PETp0 (PCIe), +A (mSATA)
34
GND
31
NC, PETn0 (PCIe), -A (mSATA)
32
Optional, I2C_SDA (slaves only),
provide pullup*
29
GND
30
Optional, I2C_SCL (slaves only),
provide pullup*
27
GND
28
+1.5V
25
NC, PERp0 (PCIe), -B (mSATA)
26
GND
23
NC, PERn0 (PCIe), +B (mSATA)
24
+3.3V
21
GND
22
Optional, PERST# (PCIe), NC (mSATA)
19
NC or 2nd MDB, UIM_IC_DP (PCIe)
20
Optional, W_DISABLE1# (PCIe), NC
(mSATA)
17
NC or 2nd MDB, UIM_IC_DM (PCIe)
18
GND
Host Device Design Requirements
All signals are in +3.3V domain.
The following table lists requirements for each pin.
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