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参数资料
| 型号： | PM49FL002T-33VC |
| 厂商： | PMC-Sierra, Inc. |
| 英文描述： | 2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory |
| 中文描述： | 2兆位/ 4兆位3.3伏，只固件集线器/ LPC快闪记忆体 |
| 文件页数： | 23/46页 |
| 文件大小： | 208K |
| 代理商： | PM49FL002T-33VC |
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Programmable Microelectronics Corp.
Issue Date: December, 2003 Rev: 1.4
23
PMC
Pm49FL002 / 004
The Pm49FL002/004 have two registers include the Gen-
eral Purpose Inputs Register (GPI_REG - available in
FWH and LPC modes) and the Block Locking Register
(BL_REG - available in FWH mode only). The GPI_REG
can be read at FFBC0100h in the 4 Gbyte system
memory map. And the BL_REG can be read through
FFBx0002h where x = F - 0h. See Table 8 and 9 for the
address of BL_REG.
GENERAL PURPOSE INPUTS REGISTER
The Pm49FL002/004 contain an 8-bit General Purpose
Inputs Register (GPI_REG) available in FWH and LPC
modes. Only Bit 4 to Bit 0 are used in current version
and Bit 7 to Bit 5 are reserved for future use. The
GPI_REG is a pass-through register with the value set
by GPI[4:0] pin during power-up. The GPI_REG is used
for system design purpose only, the devices do not use
this register. This register is read only and can be read
at address location FFBC0100h in the 4 GByte system
memory map through a memory read cycle. Refer to
Table 6 for General Purpose Input Register Definition.
Table 6. General Purpose Inputs Register Definition
t
B
e
m
a
N
t
B
n
o
n
u
F
#
n
P
C
C
L
P
-
3
#
n
P
P
O
S
V
-
3
5
d
e
v
s
e
R
-
-
4
4
P
G
4
t
B
G
E
R
_
P
G
0
3
6
3
3
P
G
3
t
B
G
E
R
_
P
G
3
1
1
2
2
P
G
2
t
B
G
E
R
_
P
G
4
2
1
1
1
P
G
1
t
B
G
E
R
_
P
G
5
3
1
0
0
P
G
0
t
B
G
E
R
_
P
G
6
4
1
BLOCK LOCKING REGISTERS
The devices support block read-lock, write-lock, and lock-
down features through a set of Block Locking Registers.
Each memory block has an associated 8-bit read/writ-
able block locking register. Only Bit 2 to Bit 0 are used
in current version and Bit 7 to Bit 3 are reserved for future
use. The default value of BL_REG is
“
01h
”
at power up.
The definition of BL_REG is listed in Table 7. The FWH
Register Configuration Map of Pm49FL002 is shown in
Table 8. The FWH Register Configuration Map of
Pm49FL004 is shown in Table 9. Unused register will be
read as 00h.
REGISTERS
相关PDF资料 |
PDF描述 |
|---|---|
| PM49FL004 | 2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory |
| PM49FL004T-33JC | 2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory |
| PM49FL004T-33JCE | 2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory |
| PM49FL004T-33VC | 2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory |
| PM49FL002T-33JCE | 2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory |
相关代理商/技术参数 |
参数描述 |
|---|---|
| PM49FL002T-33VCE | 制造商:PMC 制造商全称:PMC 功能描述:2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory |
| PM49FL004 | 制造商:PMC 制造商全称:PMC 功能描述:2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory |
| PM49FL004T-33JC | 制造商:PMC 制造商全称:PMC 功能描述:2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory |
| PM49FL004T-33JCE | 制造商:PMC 制造商全称:PMC 功能描述:2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory |
| PM49FL004T-33VC | 制造商:PMC 制造商全称:PMC 功能描述:2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory |
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