μ
PD720210
2. Pin Function
R19UH0093EJ0200 Rev.2.00
Page 7 of 59
May 26, 2014
2.2 Analog
Interface
Pin Name
Pin No.
I/O
Type
Function
RREF 72 -
Reference Voltage Input for USB 2.0
RREF must be connected to a 1.6 k
Ω
resistor with a tolerance of
+/- 1%.
It is strongly recommended to use a single resistor for 1.6 k
Ω
,
versus the combined resistance with multiple resistors to
achieve this value and tolerance.
2.3 System
Clock
Pin Name
Pin No.
I/O
Type
Function
XT1 74
IN
External Oscillator Input
Connect to 24 MHz crystal.
This pin can be a 3.3 V Oscillator input as well.
XT2 75
OUT
External Oscillator Output
Connect to 24 MHz crystal
When using single-ended clock input to XT1, this pin should be
left open.
Summary of Contents for Renesas mPD720210
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