FUNCTIONAL DEVICE OPERATION
SUPPLIES
Table 45. PLL Main Characteristics
Condition (58)
Parameter
Min
Typ
Max
Units
Frequency
Accuracy
100
ppm
PLLEN = 1
50
80
μA
μA
μA
μA
μA
ns
1 Buck Switcher active
2 Buck Switchers active
3 Buck Switchers active
4 Buck Switchers active
Cold Start
100
115
130
145
150
170
190
210
700
600
Bias Current
Start up Time
PFM to PWM
ns
Notes
58. Clock input to PLL is 32.768 kHz
Table 46. PLL Control Registers
Reset
State
Name
R/W Reset Signal
Description
1 = Forces PLL on
0 = PLL automatically enabled
Selects PLL multiplication factor
PLLEN
R/W
RESETB
RESET
0
PLLX[2:0] R/W
100
BUCK SWITCHER CORE
Table 47. Buck Switchers (SW1, 2, 3, 4) Output Voltage Programmability
Set point
SWx[4:0]
SWx Output, SWxHI = 0 (Volts)
SWx Output (59), SWxHI = 1 (Volts)
0
1
2
3
4
5
6
7
8
9
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
11010
11011
11100
0.600
0.625
0.650
0.675
0.700
0.725
0.750
0.775
0.800
0.825
0.850
0.875
0.900
0.925
0.950
0.975
1.000
1.025
1.050
1.075
1.100
1.125
1.150
1.175
1.200
1.225
1.250
1.275
1.300
1.100
1.125
1.150
1.175
1.200
1.225
1.250
1.275
1.300
1.325
1.350
1.375
1.400
1.425
1.450
1.475
1.500
1.525
1.550
1.575
1.600
1.625
1.650
1.675
1.700
1.725
1.750
1.775
1.800
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
13892
Analog Integrated Circuit Device Data
Freescale Semiconductor
74
FREESCALE [ Freescale ]
