ATxmega128D4-AU ATMEL [ATMEL Corporation], ATxmega128D4-AU Datasheet - Page 79

• Manufacturer Part Number: ATxmega128D4-AU
• Description: 8/16-bit Atmel XMEGA D4 Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

Table 32-26. External 16MHz crystal oscillator and XOSC characteristics. (Continued)
Note:
8135L–AVR–06/12
Symbol
R
C
C
C
Q
XTAL1
XTAL2
LOAD
1. Numbers for negative impedance are not tested in production but guaranteed from design and characterization.
Parameter
Negative impedance
Parasitic capacitance
XTAL1 pin
Parasitic capacitance
XTAL2 pin
Parasitic capacitance load
(1)
Condition
XOSCPWR=0,
FRQRANGE=0
XOSCPWR=0,
FRQRANGE=1,
CL=20pF
XOSCPWR=0,
FRQRANGE=2,
CL=20pF
XOSCPWR=0,
FRQRANGE=3,
CL=20pF
XOSCPWR=1,
FRQRANGE=0,
CL=20pF
XOSCPWR=1,
FRQRANGE=1,
CL=20pF
XOSCPWR=1,
FRQRANGE=2,
CL=20pF
XOSCPWR=1,
FRQRANGE=3,
CL=20pF
0.4MHz resonator,
CL = 100pF
1MHz crystal, CL = 20pF
2MHz crystal, CL = 20pF
2MHz crystal
8MHz crystal
9MHz crystal
8MHz crystal
9MHz crystal
12MHz crystal
9MHz crystal
12MHz crystal
16MHz crystal
9MHz crystal
12MHz crystal
16MHz crystal
9MHz crystal
12MHz crystal
16MHz crystal
12MHz crystal
16MHz crystal
12MHz crystal
16MHz crystal
Min.
2.4k
8.7k
2.1k
4.2k
250
195
360
285
155
365
200
105
435
235
125
495
270
145
305
160
380
205
Typ.
3.07
5.4
7.1
XMEGA D4
Max.
Units
pF
Ω
79