XCM20014IBMN Freescale, XCM20014IBMN Datasheet - Page 44

• Manufacturer Part Number: XCM20014IBMN
• Manufacturer: Freescale
• Type: CMOSr

Specifications of XCM20014IBMN

• Sensor Image Color Type: Color
• Sensor Image Size Range: 250,920 to 480,000Pixels
• Sensor Image Size: 640x480Pixels
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• Operating Temp Range: 0C to 40C
• Package Type: CLCC
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / RoHS Status: Supplier Unconfirmed

MOTOROLA
44
6.10 Register Read
Reading the MCM20014 registers is accomplished with
the following I 2 C transactions (see
•
•
•
•
•
Master transmits a START
Master transmits the MCM20014 Slave Calling Ad-
dress with “WRITE” indicated (BYTE=66
01100110
MCM20014 slave sends acknowledgment by forc-
ing the SData Low during the 9th clock, if the Calling
Address was received
Master transmits the MCM20014 Register Address
MCM20014 slave sends acknowledgment by forc-
ing the SData Low during the 9th clock after receiv-
ing the Register Address
SDATA
SCLK
SDATA
SCLK
No Ack. Bit from MASTER terminates the transfer
Signal
SDATA
Start
SCLK
MSB
b
MSB
AD7 AD6 AD5 AD4 AD3 AD2 AD1
“0”
D7
1
)
1
Data from MCM20014 Register
MCM20014 I
AD7 AD6 AD5 AD4 AD3 AD2 AD1
MSB
“0”
“1”
D6
2
1
2
MCM20014 I
“1”
“1”
D5
3
2
3
Single Byte Transfer to Master
“1”
D4
“0”
4
4
3
2
C Bus Address
“0”
D3
Freescale Semiconductor, Inc.
“0”
5
4
5
2
C Bus Address
For More Information On This Product,
Figure
“0”
D2
“1”
6
5
6
Figure 26. READ Cycle using I 2 C Bus
LSB
D1 D0
“1”
“1”
7
6
7
26):
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Write
LSB
LSB
h
“1”
8
8
7
, 102
MCM20014
Read
Signal from MASTER
from
Ack
9
Bit
8
9
d
,
MSB
D7
Stop
1
9
Ack Bit fromMCM20014
MCM20014 Register Address
2
D6 D5
The MCM20014
transitions from a “SLAVE-transmitter”
to a “SLAVE-receiver” after the
register data is sent
•
•
•
•
•
•
•
3
Master transmits a Repeated START
Master transmits the MCM20014 Slave Calling Ad-
dress with “READ” indicated (BYTE = 67
01100111
MCM20014 slave sends acknowledgment by forc-
ing the SDATA Low during the 9th clock, if the Call-
ing Address was received
At this point, the MCM20014 transitions from a
“Slave-Receiver” to a “Slave-Transmitter”
MCM20014 sends the SCLK and the Register Data
contained in the Register Address that was previ-
ously received from the master; MCM20014 transi-
tions to slave-receiver
Master does not send an acknowledgment (NAK)
Master transmits STOP to end the read cycle
At this point the MCM20014
transitions from a “SLAVE-receiver”
to a “SLAVE- transmitter”
4
D4
5
D3
b
)
6
D2 D1
7
LSB
8
D0
MCM20014
from
Ack
Bit
9
XX
Repeated
Signal
Start
h,
103
MCM20014
d
,