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參數(shù)資料
| 型號： | SAA8117HL |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | REFLECTIVE PHOTOSENSOR SMD |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封裝： | 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, SOT-407-1, LQFP-100 |
| 文件頁數(shù)： | 37/60頁 |
| 文件大?。?/td> | 231K |
| 代理商： | SAA8117HL |
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1999 Apr 02
37
Philips Semiconductors
Product specification
Digital camera USB interface IC
SAA8117HL
9.2
I
2
C-bus interface
The I
2
C-bus interface uses two addresses:
Command address for writing commands to the Memory Manager (MM)
Data address for writing/reading data to/from the Memory Manager (MM).
The 6 MSBs of the two addresses are equal and are defined by the PI_address = 010111 (see Table 11). The LSBs of
the addresses differentiate between the command address and the data address. When bit 1 is logic 1 the address is
the command address (0x5E) and when bit 1 is logic 0 the address is one of the data addresses (0x5C or 0x5D).
Table 11
I
2
C-bus addresses
9.2.1
C
OMMANDS
The commands listed in Table 12 must be sent to the I
2
C-bus address 0x5E.
Table 12
I
2
C-bus USB command codes
BIT
ADDRESS
7
6
5
4
3
2
1
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
0
0
1
1
0
1
0
1
0x5C: for writing data to the memory manager
0x5D: for reading data from the memory manager
0x5E: for writing commands
0x5F: not in use
BIT
FUNCTION
7
6
5
4
3
2
1
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
0
1
1
1
1
1
1
1
1
1
1
1
1
end-point number
end-point number
end-point number
1
0
0
0
1
1
0
1
0
1
0
1
1
1
0
1
0
1
0
1
0
1
0
select end-point
read/write status
initialize/read status information
read/write register bank
not used
set non-USB register
read/write data
acknowledge setup
set buffer empty
set buffer full
read interrupt register
read current frame number
send resume
set status change bits
set mode
0
1
1
1
1
1
1
1
1
1
1
1
address
X
0
0
0
0
0
1
1
1
1
0
X
0
0
0
1
1
0
0
1
1
1
X
0
0
1
0
0
0
1
0
1
1
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