參數(shù)資料
型號(hào)： XPC755BRX400LE
英文描述： Microprocessor
中文描述： 微處理器
文件頁(yè)數(shù)： 26/52頁(yè)
文件大小： 1274K
代理商： XPC755BRX400LE
26
MPC755 RISC Microprocessor Hardware Specifications
MOTOROLA
Pinout Listings
Table 15 provides the pinout listing for the MPC755, 360 PBGA and CBGA packages.
VOLTDET
F3
High
Output
—
6
Notes:
1. OV
DD
supplies power to the processor bus, JTAG, and all control signals; and V
DD
supplies power to the
processor core and the PLL (after filtering to become AV
DD
). These columns serve as a reference for the nominal
voltage supported on a given signal as selected by the BVSEL pin configuration of Table 2 and the voltage
supplied. For actual recommended value of V
in
or supply voltages, see Table 3.
2. These are test signals for factory use only and must be pulled up to OV
DD
for normal machine operation.
3. This pin must be pulled up to OV
DD
for proper operation of the processor interface. To allow for future I/O voltage
changes, provide the option to connect BVSEL independently to either OV
DD
or GND.
4. Uses 1 of 15 existing no connects in MPC740, 255 BGA package.
5. Internal pull-up on die.
6. Internally tied to GND in the MPC745, 255 BGA package to indicate to the power supply that a low-voltage
processor is present. This signal is not a power supply input.
Caution:
This differs from the MPC755, 360 BGA package.
Table 15. Pinout Listing for the MPC755, 360 BGA Package
Signal Name
Pin Number
Active
I/O
I/F Voltage
1
Notes
A[0:31]
A13, D2, H11, C1, B13, F2, C13, E5, D13, G7,
F12, G3, G6, H2, E2, L3, G5, L4, G4, J4, H7,
E1, G2, F3, J7, M3, H3, J2, J6, K3, K2, L2
High
I/O
OV
DD
AACK
N3
Low
Input
OV
DD
ABB
L7
Low
I/O
OV
DD
AP[0:3]
C4, C5, C6, C7
High
I/O
OV
DD
ARTRY
L6
Low
I/O
OV
DD
AV
DD
A8
—
—
2.0 V
BG
H1
Low
Input
OV
DD
BR
E7
Low
Output
OV
DD
BVSEL
W1
High
Input
OV
DD
3, 5, 6
CI
C2
Low
Output
OV
DD
CKSTP_IN
B8
Low
Input
OV
DD
CKSTP_OUT
D7
Low
Output
OV
DD
CLK_OUT
E3
—
Output
OV
DD
DBB
K5
Low
I/O
OV
DD
DBDIS
G1
Low
Input
OV
DD
DBG
K1
Low
Input
OV
DD
DBWO
D1
Low
Input
OV
DD
Table 14. Pinout Listing for the MPC745, 255 PBGA Package (continued)
Signal Name
Pin Number
Active
I/O
I/F Voltage
1
Notes
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