參數(shù)資料
型號(hào): 935269343557
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP160
封裝: 28 X 28 MM, 3.40 MM HEIGHT, ROHS COMPLIANT, PLASTIC, SOT322-2, MS-022, QFP-160
文件頁數(shù): 22/143頁
文件大?。?/td> 696K
代理商: 935269343557
2004 Aug 25
118
Philips Semiconductors
Product specication
Multimedia bridge, high performance
Scaler and PCI circuit (SPCI)
SAA7146A
Table 112 Transfer control register (IICTRF)
Table 113 ATTRx1 and ATTRx0; attribute information for BYTEx
Note
1. The generation of NA or A is performed by the controller hardware and is not user accessible.
7.17.2.1
Abbreviations used in Table 113
S: I2C-bus START command
DA: 7-bit Device Address (BYTEx7 to BYTEx1)
R/W: Read/Write# bit (BYTEx0)
D: receive/transmit Data (BYTEx)
A: Acknowledge
NA: Negative Acknowledge (also used for identification of last master read data byte)
P: I2C-bus STOP command.
OFFSET
(HEX)
NAME
BIT
TYPE
DESCRIPTION
8C
BYTE2
31 to 24
RW
data/address register 2
BYTE1
23 to 16
RW
data/address register 1
BYTE0
15 to 8
RW
data/address register 0
ATTR2 [1:0]
7 and 6
RW
attribute information for BYTE2
ATTR1 [1:0]
5 and 4
RW
attribute information for BYTE1
ATTR0 [1:0]
3 and 2
RW
attribute information for BYTE0
ERR
1
RW
general error ag: has to be reset by clearing IICSTA
BUSY
0
RW
operation ongoing
ATTRx1 ATTRx0
SYMBOL
PROTOCOL FUNCTION
1
START
start and address device, use BYTEx [7:1] as DA7 to D1 and BYTEx [0] as R/W bit
S
DA7 to DA1
R/W
1
0
CONT
transfer D and continue, use BYTEx [7:0] as D7 to D0
D7 to D0
0
1
STOP
transfer D and stop, use BYTEx as D7 to D0
D7 to D0
A/NA(1)
P
0
NOP
no operation, don’t use this byte
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