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参数资料
| 型号： | MPC184VFB |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PBGA252 |
| 封装： | MAPBGA-252 |
| 文件页数： | 12/16页 |
| 文件大小： | 426K |
| 代理商： | MPC184VFB |
MPC184 PCI Mode Hardware Reference Manual
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Signal Descriptions
Table 2. Signal Descriptions
Signal
Name
Pin
Locations
Signal
Type
Description
Address/Data and Command Pins (37)
AD[31:0]
K2, K1, L2, L1, M2, M1, N2, N1,
R1, R2, T2, T3, T4, R5, T5, R6,
R12, T12, R13, T13, R14, T14,
T15, R15, P15, P16, N15, N16,
M15, M16, L15, L16
I/O
T/S
Multiplexed Address/Data Bus
C/BE[3-0]#
P2, T6, T11, R16
I/O
T/S
Bus Command/Byte Enables
PAR
R11
I/O
T/S
Parity (Even Parity across AD[31:0], C/BE [3:0]
Interface Control (7)
FRAME#
R7
I/O
S/T/S
Assertion of FRAME# by an Initiator indicates the
beginning of a bus transaction. FRAME is
deasserted 1 cycle before conclusion of the
transaction.
TRDY#
R8
I/O
S/T/S
Assertion of TRDY# by a target indicates
readiness to complete a bus transaction.
IRDY#
T7
I/O
S/T/S
Assertion of IRDY# by an Initiator indicates
readiness to complete a bus transaction.
STOP#
R9
I/O
S/T/S
Asserted by a target to request termination a bus
transaction.
IDSEL
P1
I
IN
Initialization device select is used as chip select
pin during Type 0 conguration transactions.
DEVSEL#
T8
I/O
S/T/S
Asserted by a target when claiming a transaction
(following subtractive decode of its address).
M66EN
E2
I
IN
When asserted (at initialization time), the
MPC184 enables its internal PLL to operate in
the 33-66MHz range.
PLL Bypass
P5
I
IN
PLL Bypass
0 (OVSS) = PLL Disabled
1 (OVDD) = PLL Enabled
Arbitration (2)
REQ#
F1
O
T/S
Bus Request from Initiator to Arbiter
GNT#
D2
I
T/S
Bus Grant from Arbiter to Initiator
System (3)
CLK
H1
I
IN
System Clock input
RST#
E1
I
IN
Asynchronous reset signal. Initializes MPC184
to known state.
TPA
G2
O
Test Pad Analog
This pin MUST have No Connection
Error Reporting (2)
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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