98-08901C63-A
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4.
CONNECTOR PIN ASSIGNMENTS
4.1
70-PIN CONNECTOR PINOUT
Table 16 shows the pin assignments for c18 models using a 70-pin interface connector. The legend below applies to this table.
Legend:
PU: Contains an internal pull-up resistor.
PD: Contains an internal pull-down resistor.
(PU): An external pull-up resistor is required.
(PD): An external pull-down resistor is required.
Table 16. 70-pin Connector Pinout
Pin #
Signal Name
Signal Level [V]
I/O
Description
1
GND
–
–
Power GND.
2
GND
–
–
Power GND.
3
GND
–
–
Power GND.
4
GND
–
–
Power GND.
5
VCC
3.6 – 4.5
–
Supply voltage 4.0V DC nominal.
6
VCC
3.6 – 4.5
–
Supply voltage 4.0V DC nominal.
7
VCC
3.6 – 4.5
–
Supply voltage 4.0V DC nominal.
8
VCC
3.6 – 4.5
–
Supply voltage 4.0V DC nominal.
9
UART1_RTS
2.8
I – (PD)
5V tolerant. Should be pulled down
externally (100 K) when not used.
10
USB_VBUS
4.4 – 5.25
I
5V nominal.
11
UART1_RXD
2.8
O
From OEM to PC.
12
USB_D+
3.3
I/O
USB D+
13
UART1_DSR
2.8
O – PD
Содержание c18
Страница 1: ...Developer s Guide Motorola c18 Cellular Engine Module Description 98 08901C63 A ...
Страница 8: ...viii 98 08901C63 A ...
Страница 20: ...Introduction 12 98 08901C63 A ...
Страница 46: ...Hardware Description 38 98 08901C63 A ...
Страница 56: ...Mechanical Description 48 98 08901C63 A Figure 22 c18a1 Bottom View Figure 23 c18a1 Side View ...
Страница 57: ...98 08901C63 A 49 Mechanical Description Figure 24 c18c Top View Figure 25 c18c Bottom View ...
Страница 60: ...Service Support 52 98 08901C63 A ...
Страница 62: ...Suggested Connectors 54 98 08901C63 A ...
Страница 78: ...Hardware Requirements for CDG2 and Field Testing 70 98 08901C63 A ...
Страница 82: ...Index 74 98 08901C63 O ...