at32uc3b0512-z2ues ATMEL Corporation, at32uc3b0512-z2ues Datasheet - Page 56

• Manufacturer Part Number: at32uc3b0512-z2ues
• Description: 32-bit Avr Microcontroller
• Manufacturer: ATMEL Corporation

9.6.5
Name:
Access Type:
Offset:
Reset Value:
•
Table 9-8.
•
32059J–12/2010
STARTUP
STARTUP: Oscillator Startup Time
MODE: Oscillator Mode
31
23
15
0
1
2
3
4
5
6
7
7
-
-
-
-
Select startup time for the oscillator.
Choose between crystal, or external clock
0: External clock connected on XIN, XOUT can be used as an I/O (no crystal).
1 to 3: reserved .
4: Crystal is connected to XIN/XOUT - Oscillator is used with gain G0 ( XIN from
5: Crystal is connected to XIN/XOUT - Oscillator is used with gain G1 ( XIN from
6: Crystal is connected to XIN/XOUT - Oscillator is used with gain G2 ( XIN from
7: Crystal is connected to XIN/XOUT - Oscillator is used with gain G3 ( XIN from
Oscillator 0/1 Control Register
Startup time for oscillators 0 and 1
Number of RC oscillator
clock cycle
0
64
128
2048
4096
8192
16384
Reserved
30
22
14
OSCCTRL0,1
Read/Write
0x028, 0x02C
0x00000000
6
-
-
-
-
29
21
13
5
-
-
-
-
Approximative Equivalent time
(RCOsc = 115 kHz)
0
560 us
1.1 ms
18 ms
36 ms
71 ms
142 ms
Reserved
28
20
12
4
-
-
-
-
27
19
11
3
-
-
-
-
0.4 MHz to 0.9 MHz ).
0.9 MHz to 3.0 MHz ).
3.0 MHz to 8.0 MHz ).
8.0 Mhz).
26
18
10
2
-
-
STARTUP
MODE
25
17
9
1
-
-
AT32UC3B
24
16
8
0
-
-
56