ISL29015IROZ-EVALZ Intersil, ISL29015IROZ-EVALZ Datasheet - Page 6

• Manufacturer Part Number: ISL29015IROZ-EVALZ
• Description: EVALUATION BOARD FOR ISL29015
• Manufacturer: Intersil

Specifications of ISL29015IROZ-EVALZ

• Sensor Type: Light, Digital Output
• Sensing Range: 65535Lux
• Interface: I²C, SMBus
• Sensitivity: 540nm
• Voltage - Supply: 2.25 V ~ 3.3 V
• Embedded: No
• Utilized Ic / Part: ISL29015
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Register Set
There are four registers that are available in the ISL29015. Table 1 summarizes their functions.
Command Register I 00(hex)
The first command register has the following functions:
Command Register II 01(hex)
The second command register has the following functions:
1. Operation Mode: Bits 7, 6, and 5.These three bits
2. Bit 4 to 0 has been reserved to 0.
1. Amplitude of IR driver current: Bits 7 and 6. This device
ADDR
BITS 7 TO 5
I
2
00h
01h
02h
03h
C SDA OUT
I
I
determines the operation mode of the device.
provides current source to drive an external IR LED. The
drive capability can be programmed through Bits 7 and 6.
2
2
I
C SDA IN
2
C CLK IN
C DATA
000
001
010
100
101
011
110
111
COMMANDII
COMMANDI
REG NAME
DATA
DATA
Power-down the device
ALS once
IR once
Proximity once
Reserved
ALS continuous
IR continuous
Proximity continuous
START
TABLE 2. OPERATION MODE
MSB
LSB
A6 A5 A4 A3 A2 A1 A0
OP2
D15
1
IS1
D7
7
SDA DRIVEN BY MASTER
DEVICE ADDRESS
2
6
OPERATION
3
4
OP1
D14
IS0
D6
6
5
FIGURE 2. I
6
7
FREQ1
OP0
D13
W
W
8
D5
5
2
TABLE 1. REGISTER SET
C WRITE TIMING DIAGRAM SAMPLE
A
A
A
9
R7 R6 R5 R4 R3 R2 R1 R0
1
ISL29015
REGISTER ADDRESS
FREQ0
SDA DRIVEN BY MASTER
2
D12
D4
4
0
3
4
2. Modulation Frequency: Bits 5 and 4. These two bits set
3. Resolution: Bits 3 and 2. Bits 3 and 2 determine the
5
BITS 7: 6
TABLE 3. CURRENT SOURCE CAPABILITY AT IRDR PIN
For example, the device sources 100mA out of the IRDR
pin if Bits 7 and 6 are 0 during proximity sensing.
the IR LED driver’s modulation frequency.
ADC’s resolution and the number of clock cycles per
conversion in Internal Timing Mode. Changing the
number of clock cycles does more than just change the
resolution of the device. It also changes the integration
time, which is the period the device’s analog-to-digital
RES1
BITS 5:4
6
D11
BIT
D3
00
01
10
11
3
0
00
01
10
11
7
8
TABLE 4. MODULATION FREQUENCY
100mA IR LED driver
50mA IR LED driver
25mA IR LED driver
12.5mA IR LED driver
A
A
A
9
RES0
D10
D2
2
0
B7 B6 B5 B4 B3 B2 B1 B0
1
2
SDA DRIVEN BY MASTER
IRDR PIN SOURCE CURRENT
MODULATION FREQUENCY
3
FUNCTIONS
RANGE1
D1
D9
4
1
0
5
6
(kHz)
N/A
N/A
360
DC
RANGE0
7
D0
D8
0
0
8
A
A
9
A
October 31, 2008
DEFAULT
STOP
00h
00h
00h
00h
FN6522.0