afs600 Actel Corporation, afs600 Datasheet - Page 242

• Manufacturer Part Number: afs600
• Description: Actel Fusion Programmable System Chips Mixed-signal Family With Optional Arm Support
• Manufacturer: Actel Corporation

I/O Input Buffer Dynamic Contribution—P
I/O Output Buffer Dynamic Contribution—P
RAM Dynamic Contribution—P
PLL/CCC Dynamic Contribution—P
3 -1 8
Actel Fusion Programmable System Chips
Operating Mode
P
Standby Mode and Sleep Mode
P
Operating Mode
P
Standby Mode and Sleep Mode
P
Operating Mode
P
Standby Mode and Sleep Mode
P
Operating Mode
P
Standby Mode and Sleep Mode
P
1. The PLL dynamic contribution depends on the input clock frequency, the number of output clock signals generated by the
INPUTS
INPUTS
OUTPUTS
OUTPUTS
MEMORY
MEMORY
PLL
PLL
N
α
F
N
α
β
F
N
F
β
β
F
F
F
PLL, and the frequency of each output clock. If a PLL is used to generate more than one output clock, include each output
clock in the formula output clock by adding its corresponding contribution (P
contribution.
= P
= 0 W
CLK
CLK
READ-CLOCK
WRITE-CLOCK
CLKIN
CLKOUT
INPUTS
OUTPUTS
1
BLOCKS
2
3
2
2
is the I/O buffer enable rate—guidelines are provided in
is the RAM enable rate for read operations—guidelines are provided in
the RAM enable rate for write operations—guidelines are provided in
is the I/O buffer toggle rate—guidelines are provided in
is the I/O buffer toggle rate—guidelines are provided in
AC13
= N
= 0 W
is the global clock signal frequency.
is the global clock signal frequency.
= N
= 0 W
= (N
= 0 W
is the input clock frequency.
INPUTS
is the number of I/O input buffers used in the design.
* F
is the output clock frequency.
is the number of RAM blocks used in the design.
OUTPUTS
BLOCKS
is the number of I/O output buffers used in the design.
CLKOUT
is the memory read clock frequency.
* (
is the memory write clock frequency.
α
* P
* (
2
/ 2) * P
α
AC11
2
/ 2) *
*
AC9
β
MEMORY
2
β
* F
* F
1
PLL
* P
READ-CLOCK
CLK
AC10
1
* F
OUTPUTS
CLK
) + (N
INPUTS
A d v a n c e d v 1 . 4
BLOCKS
* P
AC12
Table 3-13 on page
Table 3-13 on page
Table 3-14 on page
*
β
3
* F
WRITE-CLOCK
AC14
Table 3-14 on page
Table 3-14 on page
* F
CLKOUT
)
3-20.
3-20.
3-20.
product) to the total PLL
3-20.
3-20.