at32uc3b0512-z2ues ATMEL Corporation, at32uc3b0512-z2ues Datasheet - Page 57

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

9.6.6
Name:
Access Type:
Offset:
Reset Value:
•
Table 9-9.
•
•
32059J–12/2010
STARTUP
STARTUP: Oscillator Startup Time
MODE: Oscillator Mode
OSC32EN: Enable the 32 KHz oscillator
31
23
15
0
1
2
3
4
5
6
7
7
-
-
-
-
Note: This register is only reset by Power-On Reset
Select startup time for 32 KHz oscillator.
Choose between crystal, or external clock.
0: External clock connected on XIN32, XOUT32 can be used as a I/O (no crystal).
1: Crystal is connected to XIN32/XOUT32.
2 to 7: reserved .
0: 32 KHz Oscillator is disabled.
1: 32 KHz Oscillator is enabled.
32 KHz Oscillator Control Register
Startup time for 32 KHz oscillator
Number of RC oscillator
clock cycle
0
128
8192
16384
65536
131072
262144
524288
30
22
14
OSCCTRL32
Read/Write
0x030
0x00010000
6
-
-
-
-
29
21
13
5
-
-
-
-
Approximative Equivalent time
(RCOsc = 115 kHz)
0
1.1 ms
72.3 ms
143 ms
570 ms
1.1 s
2.3 s
4.6 s
28
20
12
4
-
-
-
-
27
19
11
3
-
-
-
-
26
18
10
2
-
-
STARTUP
MODE
25
17
9
1
-
-
AT32UC3B
OSC32EN
24
16
8
0
-
57