Motorola c18, Developer'S Manual

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98-08901C63-A 41
Connector Pin Assignments
31 UART2_RTS 2.8 I – (PD)
5V tolerant (from OEM to PC). Should
be pulled down externally (100 K) when
not used.
32 KEYSENSE2_N 2.8 I – PU
Active-low, level-sensitive interrupt
input with internal pull-up (keypad).
33 UART2_TXD 2.8 I – (PD)
5V tolerant (from PC to OEM). Should
be pulled down externally (100 K) when
not used.
34 KEYSENSE_INT0_N 2.8 I – PU
Active-low, level-sensitive interrupt
input with internal pull-up (keypad).
35 GPS_ANT_PWR 3 or 5 I External power for active GPS antenna.
36 KEYSENSE_INT1_N 2.8 I – PU
Active-low, level-sensitive interrupt
input with internal pull-up (keypad).
37 ENT_MUTE_GPIO6 2.8
O – PD ENT_MUTE or general-purpose I/O
with internal pull-down.
38 KEYSENSE_INT2_N 2.8
I – PU Active-low, level-sensitive interrupt
input with internal pull-up (keypad).
39 GPIO7_SP_MUTE 2.8 I/O or O General-purpose I/O.
40 KEYSENSE_INT3_N 2.8 I – PU
Active-low, level-sensitive interrupt
input with internal pull-up (keypad).
41 FOOTSWITCH_GPIO8 2.8 I/O – PU
FOOTSWITCH input or
general-purpose I/O.
42 KEYSENSE_INT4_N 2.8 I – PU
Active-low, level-sensitive interrupt
input with internal pull-up (keypad).
43 VIBRATOR 1.3 O Vibrator drive 1.3 V +/- 25% @ 85 mA.
44 UIM_RESET 2.8 O R-UIM reset.
45 ADC1 2.5 I Analog input to AD converter.
46 UART2_CTS_UIM_CLK 2.8 O – PU UART2 CTS or R-UIM clock.
47 ADC2 2.5 I Analog input to AD converter.
48 UIM_PWR_PH 2.8 O
R-UIM power/power hold (power status
indicator).
Table 16. 70-pin Connector Pinout (Continued)
Pin # Signal Name Signal Level [V] I/O Description