参数资料
型号: MPC8250ACZUMHBC
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 266 MHz, RISC PROCESSOR, PBGA480
封装: 37 X 37 MM, 1.70 MM HEIGHT, 1.27 MM PITCH, TBGA-480
文件页数: 35/73页
文件大小: 885K
代理商: MPC8250ACZUMHBC
40
MPC8250 Hardware Specications
MOTOROLA
Pinout
Symbols used in Table 19 are described in Table 20.
1.4.2
VR Package
The following gures and table represent the alternate 516 PBGA package. For information on the standard
package for the MPC8250, refer to Section 1.4.1, “ZU Package” on page 28.
1.4.2.1
VR Pin Assignments
Figure 15 shows the pinout of the VR package as viewed from the top surface.
THERMAL14
AG4
I/O power
AG21, AG14, AG8, AJ1, AJ2, AH1,
AH2, AG3, AF4, AE5, AC27, Y27,
T27, P27, K26, G27, AE25, AF26,
AG27, AH28, AH29, AJ28, AJ29,
C7, C14, C16, C20, C23, E10, A28,
A29, B28, B29, C27, D26, E25, H3,
M4, T3, AA4, A1, A2, B1, B2, C3,
D4, E5
Core Power
U28, U29, K28, K29, A9, A19, B19,
M1, M2, Y1, Y2, AC1, AC2, AH19,
AJ19, AH10, AJ10, AJ5
Ground
AA5, AF21, AF14, AF8, AE7, AF11,
AE17, AE23, AC26, AB25,Y26, V25,
T26, R25, P26, M25, K27, H25,
G26, D7, D10, D14, D16, D20, D23,
C9, E11, E13, E15, E19, E22, B3,
G5, H4, K5, M3, P5, T4, Y5, AA2,
AC3
1 The default conguration of the CPM pins (PA[0–31], PB[4–31], PC[0–31], PD[4–31]) is input. To prevent excessive DC
current, it is recommended to either pull unused pins to GND or VDDH, or to congure them as outputs.
2 Must be pulled down or left oating.
3 If PCI is not desired, this pin should be pulled up or left oating.
4 For information on how to use this pin, refer to MPC8260 PowerQUICC II Thermal Resistor Guide (AN2271/D)
available at www.motorola.com/semiconductors.
Table 20. Symbol Legend
Symbol
Meaning
OVERBAR
Signals with overbars, such as TA, are active low.
MII
Indicates that a signal is part of the media independent interface.
Table 19. MPC8250 ZU Package Pinout List (Continued)
Pin Name
Ball
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