![Motorola c18 Скачать руководство пользователя страница 54](http://html.mh-extra.com/html/motorola/c18/c18_developers-manual_21877054.webp)
Connector Pin Assignments
46
98-08901C63-A
* Signals (functions) unique to the c18 (not supported by the g18).
14
UART1_RI
13
2.8
O
15
USB_D+_28
N/A*
3.3
I/O
USB D+ signal.
16
USB_D-_28
N/A*
3.3
I/O
USB D- signal.
17
AUDIO_OUT _ONOFF
18
1.06 Vp-p
I/O
Analog Audio_Out and on/off.
18
AGND
17
–
–
Analog audio GND.
19
UART2_RTS
N/A*
2.8
I
From OEM to PC.
20
AUDIO_IN
19
1.28 Vp-p
I
Analog Audio_In. Input impedance:
> 10k
Ω
.
21
GPS_ANT_PWR_28
N/A*
3.0 or 5.0
I
External power for the active GPS
antenna. Serial 0
Ω
resistor for
disconnection.
22
UART1_DSR
21
2.8
O
23
UART2_CTS_UIM_CLK
24
2.8
O
UART2 CTS or UIM_CLK.
24
USB_VBUS_28
N/A*
4.4 – 5.25
I
5V nominal. Serial 0
Ω
resistor to
disconnect USB_VBUS.
25
UART1_RXD
26
2.8
O
From OEM to PC.
26
UART1_TXD
25
2.8
I
5V tolerant (from PC to OEM).
27
UART1_RTS
28
2.8
I
5V tolerant.
28
UART1_CTS
27
2.8
O
Note
All identical names for 70/36/28-pin connectors correspond to the same signal.
All UART names are referenced to PC, as the c18 is a DCE device.
Odd/even pin number assignments are flipped between the c18 and the g18, but the physical locations of the func-
tions are identical on the connector. For more details, see “Pinout Comparisons” on page 55.
Table 18. 28-pin DIN Connector Pinout
(Continued)
28-pin
Header
Pin #
Signal Name
g18
Pin #
Signal
Level [V]
I/O
Description
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 ...