参数资料
型号: MPC8349E-MITXE
厂商: Freescale Semiconductor
文件页数: 11/48页
文件大小: 0K
描述: BOARD REFERENCE FOR MPC8349
产品培训模块: MPC834x PowerQUICC II Processors
标准包装: 1
系列: PowerQUICC II™ PRO
类型: MPU
适用于相关产品: MPC8349E
所含物品: 模块和其他硬件
相关产品: MPC8349ECZUAJFB-ND - IC MPU POWERQUICC II PRO 672TBGA
MPC8349ECVVAJFB-ND - IC MPU POWERQUICC II PRO 672TBGA
MPC8349CZUAJFB-ND - IC MPU POWERQUICC II PRO 672TBGA
MPC8349CZUAJDB-ND - IC MPU POWERQUICC II PRO 672TBGA
MPC8349CZUAGDB-ND - IC MPU POWERQUICC II PRO 672TBGA
MPC8349CVVAJFB-ND - IC MPU POWERQUICC II PRO 672TBGA
MPC8349CVVAJDB-ND - IC MPU POWERQUICC II PRO 672TBGA
MPC8349CVVAGDB-ND - IC MPU POWERQUICC II 672TBGA
MPC8349ZUAJDB-ND - IC MPU PWRQUICC II 672-TBGA
MPC8349ZUAJFB-ND - IC MPU PWRQUICC II 672-TBGA
更多...
其它名称: MPC8349E-MITXE -ND
MPC8349E-mITXE Board
Table 4. PCF8574A (U8) Bit Descriptions
PCF8574A (U8)
Bit[0..7]
0
Name
LED0
Read/Write
Write only,
read returns 1
LED0 control
0: LED is on
Description
1: LED is off
1
LED1
Write only,
read returns 1
LED1 control
0: LED is on
1: LED is off
2
VSC8201_PWN
Write only,
read returns 1
VSC8201 power down control
0: VSC8201 PHY is powerdown
1: VSC8201 PHY in normal mode
3
MPCI_PME
Write only,
read returns 1
Output from the miniPCI card to indicate power management event
0: power management event has occurred
1: power management event has not occurred
4
LCD_EN
Write only,
read returns 1
Enable/disable the LCD interface
0: LCD interface is enabled
1: LCD interface is disabled
5
6
7
Not used
Not used
Not used
The second PCF8574A (U10) has I2C2 address 0x39 and it is able to detect the board revision number,
the compact Flash presence (card detect), the miniPCI clock run signal level, the PCI (slot and miniPCI)
M66EN signal level and detect which Flash is currently used to boot. The bit definition of this PCF8574A
(U10) is defined as in Table 5 .
Table 5. PCF8574A (U10) Bit Descriptions
PCF8574A
(U10) bit[0..7]
0
Name
REV1
Read/Write
Read only, write
has no effect
Board revision number
REV[0:1] definition
Description
00: revision 0.0
01: revision 0.1
1
REV0
10: revision 1.0
11: reserved
2
Reserved
Read only, write
Reserved for future use
has no effect
3
CF_CD
Read only, write
has no effect
Compact Flash Card Detect
0: Compact Flash is installed
1: Compact Flash is removed
MPC8349E-mITXE Reference Design Platform User’s Guide, Rev. 2
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
11
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参数描述
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