PSB21473FV13XT Infineon Technologies, PSB21473FV13XT Datasheet - Page 37

• Manufacturer Part Number: PSB21473FV13XT
• Manufacturer: Infineon Technologies

Specifications of PSB21473FV13XT

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (max): 3.6V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 144
• Lead Free Status / RoHS Status: Compliant

The factors have to be programmed according to Table 4-2 and Table 4-3.
Table 4-2
OSC_DIV
101
000
001
010
011
100
110
111
Table 4-3
CPU_DIV
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1100
A change of the CPU frequency can only be performed synchronously and glitch free, if
the following steps will be applied:
• Change to the other clock source ( if running on PLL, switch to Oscillator or vice versa)
• 5 NOP instructions
• Change
• At least 50 NOP instructions recommended
Data Sheet
CLK_CONF.OSC_DIV respectively
the
CPU & Peripheral frequency
CPU & Peripheral frequency
division
Factor D0
1
2
4
8
16
32
Factor D1
3
4
6
8
12
16
24
32
48
64
96
factor
by
37
Resulting Frequency if PLL is not used
15.36 MHz
7.68 MHz
3.84 MHz
1.92 MHz
0.96 MHz
0.48 MHz
Resulting Frequency
32 MHz
24 MHz
16 MHz
12 MHz
8 MHz
6 MHz
4 MHz
3 MHz
2 MHz
1.5 MHz
1.0 MHz
programming
reserved
reserved
CLK_CONF.CPU_DIV
Clock Concept
PSB 21473
2003-03-31
INCA-D
or