MPC8360E/MPC8358E PowerQUICC II Pro Processor Revision 2.x TBGA Silicon Hardware Specifications, Rev. 4
Freescale Semiconductor
97
Thermal
Example 1. Sample Table Use
•
Example A. To configure the device with CSB clock rate of 266 MHz, core rate of 400 MHz, and
QUICC Engine clock rate 300 MHz while the input clock rate is 33 MHz. Conf No. ‘s10’ and ‘c1’
are selected from
Table 76
. SPMF is 1000, CORPLL is 0000011, CEPMF is 01001, and CEPDF
is 0.
•
Example B. To configure the device with CSBCSB clock rate of 266 MHz, core rate of 533 MHz
and QUICC
Engine clock rate 400 MHz while the input clock rate is 66 MHz. Conf No. ‘s5h’ and
‘c2h’ are selected from
Table 76
. SPMF is 0100, CORPLL is 0000100, CEPMF is 00110, and
CEPDF is 0.
23 Thermal
This section describes the thermal specifications of the MPC8360E/58E.
23.1
Thermal Characteristics
Table 77
provides the package thermal characteristics for the 37.5 mm × 37.5 mm 740-TBGA package.
Index
SPMF
CORE
PLL
CEPMF CEPDF
Input Clock
(MHz)
CSB Freq
(MHz)
Core Freq
(MHz)
QUICC
Engine Freq
(MHz)
400
(MHz)
533
(MHz)
667
(MHz)
A
1000
0000011
01001
0
33
266
400
300
∞
∞
∞
B
0100
0000100
00110
0
66
266
533
400
∞
∞
∞
Table 77. Package Thermal Characteristics for the TBGA Package
Characteristic
Symbol
Value
Unit Notes
Junction-to-ambient natural convection on single-layer board (1s)
R
θ
JA
15
°
C/W
1, 2
Junction-to-ambient natural convection on four-layer board (2s2p)
R
θ
JA
11
°
C/W
1, 3
Junction-to-ambient (@1 m/s) on single-layer board (1s)
R
θ
JMA
10
°
C/W
1, 3
Junction-to-ambient (@ 1 m/s) on four-layer board (2s2p)
R
θ
JMA
8
°
C/W
1, 3
Junction-to-ambient (@ 2 m/s) on single-layer board (1s)
R
θ
JMA
9
°
C/W
1, 3
Junction-to-ambient (@ 2 m/s) on four-layer board (2s2p)
R
θ
JMA
7
°
C/W
1, 3
Junction-to-board thermal
R
θ
JB
4.5
°
C/W
4
Junction-to-case thermal
R
θ
JC
1.1
°
C/W
5