Texas Instruments TMS320DM355 Manual Do Utilizador
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PRODUCT PREVIEW
3.5.2
Supported Clocking Configurations for DM355-216
TMS320DM355
Digital Media System-on-Chip (DMSoC)
SPRS463A – SEPTEMBER 2007 – REVISED SEPTEMBER 2007
This section describes the only supported device clocking configurations for DM355-216. The DM355
supports either 24 MHz (typical) or 36 MHz reference clock (crystal or external oscillator input).
Configurations are shown for both cases.
supports either 24 MHz (typical) or 36 MHz reference clock (crystal or external oscillator input).
Configurations are shown for both cases.
3.5.2.1 Supported Clocking Configurations for DM355-216 (24 MHz reference)
3.5.2.1.1 DM355-216 PLL1 (24 MHz reference)
All supported clocking configurations for DM355-216 PLL1 with 24 MHz reference clock are shown in
Table 3-2. PLL1 Supported Clocking Configurations for DM355-216 (24 MHz reference)
PREDI
PLLM
POSTDIV
PLL1
ARM /
Peripherals
Venc
VPSS
V
VCO
MPEG and
JPEG
Co-Processor
(/8
(m
(/2 or /1
(MHz)
PLLDIV
SYSC
PLLDIV
SYSCLK2
PLLDIV3
SYSCL
PLLDIV4
SYSCLK
fixed)
programmable
programma
1
LK1
2
(MHz)
(/n
K3
(/4 or /2
4
)
ble)
(/2
(MHz)
(/4
programma
(MHz)
programmable
(MHz)
fixed)
fixed)
ble)
)
bypass
bypass
bypass
bypas
2
12
4
6
10
2.4
4
6
s
8
144
1
432
2
216
4
108
16
27
4
108
8
135
1
405
2
202.5
4
101.25
15
27
4
101.25
8
126
1
378
2
189
4
94.5
14
27
4
94.5
8
117
1
351
2
175.5
4
87.75
13
27
4
87.75
8
108
1
324
2
162
4
81
12
27
4
81
8
99
1
297
2
148.5
4
74.25
11
27
4
74.25
8
180
2
270
2
135
4
67.5
10
27
2
135
8
162
2
243
2
121.5
4
60.75
9
27
2
121.5
8
144
2
216
2
108
4
54
8
27
2
108
8
126
2
189
2
94.5
4
47.25
7
27
2
94.5
8
108
2
162
2
81
4
40.5
6
27
2
81
3.5.2.1.2 DM355-216 PLL2 (24 MHz reference)
All supported clocking configurations for DM355-216 PLL2 with 24 MHz reference clock are shown in
Table 3-3. PLL2 Supported Clocking Configurations for DM355-216 (24 MHz reference)
PREDIV
PLLM
POSTDIV
PLL2 VCO
DDR PHY
DDR Clock
(/n programmable)
(m
(/1 fixed)
(MHz)
PLLDIV1
SYSCLK1
DDR_CLK
programmable)
(/1 fixed)
(MHz)
(MHz)
bypass
bypass
bypass
bypass
1
24
12
8
114
1
342
1
342
171
8
108
1
324
1
324
162
8
102
1
306
1
306
153
8
96
1
288
1
288
144
12
133
1
266
1
266
133
12
100
1
200
1
200
100
15
100
1
160
1
160
80
Detailed Device Description
67