CDC3272G-C Micronas Intermetall GmbH, CDC3272G-C Datasheet - Page 17

• Manufacturer Part Number: CDC3272G-C
• Description: ARM7-Based Car Dashboard Controller
• Manufacturer: Micronas Intermetall GmbH

ADVANCE INFORMATION
4. CPU and Clock System
4.1. Recommended Register Settings
Other settings for PMF, IOP and WSR than those given in
Tables 4–1 and 4–2 shall not be used and may result in
undefined behaviour. It is required not to operate I/O faster
than ROM.
Table 4–1: PLL and ERM Modes: Recommended Settings and Resulting Operating Frequencies (MHz)
Table 4–2: PLL2 and ERM Modes: Settings Sacrificing Unlimited Operation of Peripheral Modules and Resulting Operating
Frequencies (MHz)
Micronas
f
4
5
f
4
5
XTAL
XTAL
CPU
f
CPU
f
12
20
15
SYS
SYS
16
24
32
40
48
10
20
30
40
50
8
PLLC.
PMF
PLLC.
PMF
2
4
2
11
1
3
5
7
9
1
3
5
7
9
ROM
f
10.67
ROM
f
6
12
10
7.5
12.5
BUS
BUS
12
10
12
10
10
10
10
8
8
8
8
WSR
WSR
0x11
0x00
0x11
0x11
0x00
0x22
0x33
0x22
0x33
0x33
0x00
0x22
0x33
0x33
0x11
0x11
0x11
I/O
f
f
I/O
f
f
4
4
5
IO
0
10
10
10
10
10
IO
0
8
8
8
8
8
8
=
=
April 30, 2003; 6251-615-1AI
IOC.
IOP
IOC.
IOP
2
4
2
0
1
2
3
4
5
0
1
2
3
4
ERMC.EOM = 1
Weak
ERMC.EOM = 1
Weak
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Suppression Strength (SUP) and Clock Tolerance (TOL) may
be varied between zero and the values for strong settings
according to the rules in Section 4.4.2 of the CDC32xxG-C
Hardware Manual. The given limits must not be exceeded.
12
10
12
12
10
14
10
set ERMC.EOM=0
4
8
6
1
5
6
6
5
7
Normal
Normal
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
15
10
12
12
15
14
10
15
13
7
6
1
8
6
5
Strong
Strong
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
15
10
12
12
14
15
14
15
15
15
11
6
1
6
5
ERMC.EOM = 2 or 3
Weak
ERMC.EOM = 2 or 3
Weak
12
12
16
16
21
25
10
15
21
10
4
8
5
6
6
7
CDC 3272G-C
set ERMC.EOM=0
2
4
6
2
8
8
6
1
3
5
8
6
3
2
5
4
Normal
14
21
21
28
19
23
28
35
42
17
24
26
35
Normal
10
10
17
13
7
8
12
12
11
11
4
7
2
9
7
6
6
1
4
8
6
5
2
8
7
Strong
22
31
33
31
19
23
37
37
42
14
28
28
30
35
37
Strong
16
16
28
21
11
12
12
10
11
11
6
2
9
7
6
6
1
7
8
9
8
6
8
2
8
17