ML7065-033 User’s Manual
Chapter 1 General Description
4
1.4 Pin Descriptions
1.4.1 RF Related Pins
Pin No
Symbol At reset
I/O
Description
Active
Level
19 ANT_1 I I
RF
/O
RF
RF antenna pin (differential out)
17 ANT_2 I I
RF
/O
RF
RF antenna pin (differential out)
28 PLL_LFO O
O
A
External loop filter output pin (VCO side) For
external connection, see Application Circuits.
30 PLL_LFI I
I
A
External loop filter input pin (PLL side) For
external connection, see Application Circuits.
I/O definition I
RF
:
RF input pin.
I
A
:
Analog input pin.
I
:
Regular input pin.
I
S
:
Schmitt trigger input pin.
I
U
:
Input pin with pull-up resistor.
I
SU
:
Input pin with Schmitt trigger/pull-up resistor.
I
OS
:
Input pin for oscillation circuit.
O
RF
:
RF control output pin.
O
A
:
Analog output pin.
O
:
Regular output pin.
O
OS
:
Output pin for oscillation circuit.
Note: We are currently considering our future plan to replace the PLL_LFO pin with an N.C. pin by
eliminating the external component.
1.4.2 Synchronous Communication Interface (SCI) Related Pins
Pin No
Symbol At reset
I/O
Description
Active
Level
41 SDIN I IO
Data input pin for synchronous communication
interface
40 SDO L IO
Data output pin for synchronous
communication interface
45 SCLK I
IO PorN
Clock input pin for synchronous
communication interface
42 SINT H I
U
O L
Interrupt output pin for synchronous
communication interface
47 SCEN I
I
U
Chip enable pin for synchronous
communication interface
