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參數(shù)資料
型號(hào): MAX3109ETJ+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 55/66頁(yè)
文件大?。?/td> 0K
描述: SEMICONDUCTOR OTHER
標(biāo)準(zhǔn)包裝: 60
系列: *
Dual Serial UART with 128-Word FIFOs
MAX3109
59
Maxim Integrated
bus, or a repeated START condition (Sr) to communi-
cate to another I2C slave. See Figure 21.
Slave Address
The MAX3109 includes a configurable 7-bit I2C slave
address, allowing up to 16 MAX3109 devices to share
the same I2C bus. The address is defined by connect-
ing the MOSI/A1 and CS/A0 inputs to DGND, VL, SCL,
or SDA (Table 5). Set the R/W bit high to configure the
MAX3109 to read mode. Set the R/W bit low to config-
ure the MAX3109 to write mode. The address is the
first byte of information sent to the MAX3109 after the
START condition.
Bit Transfer
One data bit is transferred on the rising edge of each
SCL clock cycle. The data on SDA must remain stable
during the high period of the SCL clock pulse. Changes
in SDA while SCL is high and stable are considered
control signals (see the START, STOP, and Repeated
START Conditions section). Both SDA and SCL remain
high when the bus is not active.
Figure 21. I2C START, STOP, and Repeated START Conditions
Table 8. I2C Address Map
SCL
SDA
SSrP
MOSI/A1
CS/A0
UART0
UART1
WRITE
READ
WRITE
READ
DGND
0xD8
0xD9
0xB8
0xB9
DGND
VL
0xC2
0xC3
0xA2
0xA3
DGND
SCL
0xC4
0xC5
0xA4
0xA5
DGND
SDA
0xC6
0xC7
0xA6
0xA7
VL
DGND
0xC8
0xC9
0xA8
0xA9
VL
0xCA
0xCB
0xAA
0xAB
VL
SCL
0xCC
0xCD
0xAC
0xAD
VL
SDA
0xCE
0xCF
0xAE
0xAF
SCL
DGND
0xD0
0xD1
0xB0
0xB1
SCL
VL
0xD2
0xD3
0xB2
0xB3
SCL
0xD4
0xD5
0xB4
0xB5
SCL
SDA
0xD6
0xD7
0xB6
0xB7
SDA
DGND
0xC0
0xC1
0xA0
0xA1
SDA
VL
0xDA
0xDB
0xBA
0xBB
SDA
SCL
0xDC
0xDD
0xBC
0xBD
SDA
0xDE
0xDF
0xBE
0xBF
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