AT90PWM2B-16SE ATMEL [ATMEL Corporation], AT90PWM2B-16SE Datasheet - Page 35

• Manufacturer Part Number: AT90PWM2B-16SE
• Description: 8-bit Microcontroller with 8K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

4317J–AVR–08/10
Table 7-9.
1.
2.
3.
Figure 7-4.
Ext Osc
CKSEL
Ext Clk
0101
0001
3..0
XTAL1
XTAL2
This value do not provide a proper restart ; do not use PD in this clock scheme
This value do not provide a proper restart ; do not use PD in this clock scheme
This value do not provide a proper restart ; do not use PD in this clock scheme
RC OSCILLATOR
SUT1..0
OSCCAL
Start-up Times when the PLL is selected as system clock
PCK Clocking System AT90PWM2/3
00
01
10
11
00
01
10
11
OSCILLATORS
8 MHz
Start-up Time from Power-down
and Power-save
DIVIDE
BY 8
16K CK
16K CK
6 CK
6 CK
6 CK
1K CK
1K CK
(1)
(2)
(3)
PLL
PLLE
64x
Detector
Lock
Reserved
DIVIDE
DIVIDE
PLLF
BY 2
BY 4
AT90PWM2/3/2B/3B
Additional Delay from Reset
14CK + 64 ms
14CK + 64 ms
14CK + 4 ms
14CK + 4 ms
14CK + 4 ms
(V
CLK
CC
PLOCK
CK
14CK
14CK
PLL
= 5.0V)
SOURCE
35