参数资料
| 型号： | BD8132FV-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 13/23页 |
| 文件大小： | 0K |
| 描述： | IC PWR SUP CORRECTION SSOP-B40 |
| 标准包装： | 2,000 |
| 系列： | * |
BD8132FV, BD8139AEFV
● SDA serial data map
SLAVE mode(SLAVE/AR=L)
First (MSB)
Last (LSB)
Technical Note
Byte
bit
7 6 5 4 3 2 1
0
1 Device address (11101<A2><A1>)
0
2
Don’t Care
Register address
3 data(9:3)
4 data(2:0) Don’t Care
PC
PC
The auto-read function enables automatic reading of the I C bus interface's 1 kbit built-in memory.
It needs 4 byte for slave mode.
When register address “1111”, it is updated same data on all addresses.
Auto-read mode (SLAVE/AR = high)
2
When the reset signal is cleared, automatic reads from EEPROM begin.
In auto-read mode, A1 and A2 serve as the EEPROM word address setting pins.
When A1 and A2 are both set to low, read access is available for word addresses 0 through 21.
A2
L
H
L
H
A1
L
L
H
H
Read start word address
0 (00h)
32 (20h)
64 (40h)
96 (60h)
Read end word address
21 (h)
53 (35h)
85 (55h)
117 (75h)
The following table describes the 22-word data format read from the EEPROM.
Word 7 6 5 4 3 2 1 0 Output
1 Data (9:3) PC
2 Data (2:0) Don’t Care PC
3 Data (9:3) PC
4 Data (2:0) Don’t Care PC
V0
V1
?
?
21 Data (9:3) PC
22 Data (2:0) Don’t Care PC
Vcom
The first and second words are used for the V0 setting, while the third and fourth words are used for the V1 setting. Including
the Vcom setting, a total of 22 words of data are read. The LSB for all words contains an even parity check (PC). The LSBs
for all EPROM data settings should be set. (Where the number 1 represents an even number.)
＜ Example of setting for EEPROM ＞
A1=L,A2=L
REFIN
15
V
data
EEPROM WORD
ADDRESS
BD8139AEFV
d7
d6
d5
d4
d3
d2
d1
d0
bin
dec
Setting
voltage
1
00h
V0 ①
1
1
1
0
0
1
0
0
1110010011
915
13.418
V0
2
01h
V0 ②
0
1
1
0
0
0
0
0
3
02h
V1 ①
1
0
1
1
1
1
1
0
1011111010
762
11.177
V1
4
03h
V1 ②
0
1
0
0
0
0
0
1
5
04h
V2 ①
1
0
1
0
1
0
1
0
1010101100
684
10.034
V2
6
05h
V2 ②
1
0
0
0
0
0
0
1
7
06h
V3 ①
0
1
1
1
1
0
0
0
0111100001
481
7.061
V3
8
07h
V3 ②
0
0
1
0
0
0
0
1
9
08h
V4 ①
1
0
0
0
1
1
1
0
1000111110
574
8.423
V4
10
09h
V4 ②
1
1
0
0
0
0
0
0
11
0Ah
V5 ①
1
0
0
0
0
0
0
1
1000000000
512
7.515
V5
12
0Bh
V5 ②
0
0
0
0
0
0
0
0
13
0Ch
V6 ①
0
1
0
1
0
1
0
1
0101010111
343
5.039
V6
14
0Dh
V6 ②
1
1
1
0
0
0
0
1
15
0Eh
V7 ①
0
1
0
1
1
1
1
1
0101111111
383
5.625
V7
16
0Fh
V7 ②
1
1
1
0
0
0
0
1
17
10h
V8 ①
0
1
0
0
1
0
1
1
0100101010
298
4.380
V8
18
11h
V8 ②
0
1
0
0
0
0
0
1
19
12h
V9 ①
0
0
0
1
1
1
1
0
0001111010
122
1.802
V9
20
13h
V9 ②
0
1
0
0
0
0
0
1
21
14h
VCOM ①
1
1
1
1
1
1
1
1
1111111111
1023
7.500
VCOM
22
15h
VCOM ②
1
1
1
0
0
0
0
1
R1=R2
※ Must set “1” at d7 of 16ch.
www.rohm.com
? 2009 ROHM Co., Ltd. All rights reserved.
13/20
2009.07 - Rev.B
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