7.4
AC Power Dissipation
Table 7-2.
Typical Current Drain
System Clock
Frequency
BRGCLK Clock
Frequency
SyncCLK Clock
Frequency
Mode of Operation
Symbol
IDD
Typ
250
237
327
Unit
mA
mA
mA
Normal mode (Rev A(1) and Rev B(2))
Normal Mode (Rev C(3) and Newer)
Normal Mode
25 MHz
25 MHz
33 MHz
25 MHz
25 MHz
33 MHz
25 MHz
25 MHz
33 MHz
IDD
IDD
Divide by 2
12.5 MHz
Divide by 16
1.56 MHz
Divide by 2
12.5 MHz
Low Power Mode
Low Power Mode
Low Power Mode
Low Power Mode
IDDSB
IDDSB
IDDSB
IDDSB
150
85
mA
mA
mA
mA
Divide by 4
6.25 MHz
Divide by 16
1.56 MHz
Divide by 4
6.25 MHz
Divide by 16
1.56 MHz
Divide by 16
1.56 MHz
Divide by 4
6.25 MHz
35
Divide by 256
97.6 kHz
Divide by 16
1.56 MHz
Divide by 4
6.25 MHz
20
Divide by 256
97.6 kHz
Divide by 64
390 kHz
Divide by 64
390 kHz
Low Power Mode
IDDSB
IDDSP
13
mA
mA
Low Power Stop VCO Off(4)
0.5
PLL Supply Current
PLL Disabled
IDDPD
IDDPE
TBD
TBD
PLL Enabled
Notes: 1. Rev A mask is C63T
2. Rev B masks are C69T and F35G
3. Current Rev C masks are E63C, E68C and F15W
4. EXTAL frequency is 32 kHz
All measurements were taken with only CLKO1 enabled, VCC = 5.0V, VIL = 0V and VIH = VCC
Table 7-3.
Maximum Power Dissipation
System Frequency
VCC
Max PD
1.80
Unit
W
Mask
25 MHz
25 MHz
25 MHz
33 MHz
5.25V
5.25V
3.6V
REV A(1) and REV B(2)
REV C(3) and Newer
REV C(3) and Newer
REV C(3) and Newer
1.45
W
0.65
W
5.25V
2.00
W
Notes: 1. Rev A mask is C63T
2. Rev B masks are C69T and F35G
3. Current Rev C masks are E63C, E68C and F15W
16
TS68EN360
2113B–HIREL–06/05
ATMEL [ ATMEL ]
