參數(shù)資料
型號(hào)： BU8272GUW-E2
廠商： Rohm Semiconductor
文件頁數(shù)： 15/17頁
文件大?。?/td> 0K
描述： IC EXPANDER GPIO LSI 35-VBGA
標(biāo)準(zhǔn)包裝： 2,500
接口： 串行
輸入/輸出數(shù)： 20
中斷輸出： 是
頻率 - 時(shí)鐘： 400kHz
電源電壓： 1.65 V ~ 1.95 V，1.65 V ~ 3.45 V
工作溫度： -25°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 36-VFBGA
供應(yīng)商設(shè)備封裝： VBGA035W040
包裝： 帶卷 (TR)
Technical Note
6/17
BU8272GUW
www.rohm.com
2009.09 - Rev.A
2009 ROHM Co., Ltd. All rights reserved.
● Pin-out Functional Descriptions
1. Pin table
PIN
No.
Land
number
PIN name
I/O
Power
source
system
Function
Cell
Type
XRST
1
A1
VDDI2C
-
2
(NC)
-
3
C3
GND
-
4
C1
ADR
IN
VDDI2C
B
-
5
C2
SDA
INOUT
VDDI2C
Serial data inout for 2-Wire
A
Hi-z
6
D1
SCL
IN
VDDI2C
Clock for 2-Wire
B
-
7
D2
XRST
IN
VDDI2C
Reset（Low Active）
B
L
8
E1
INT
OUT
VDDI2C
Interrupt signal
*1
C
-
*3
9
E2
GND
-
10
F1
VDD
-
11
F2
GPIO0
INOUT
VDDIO1
General purpose inout. Pull-up to VDD
*2
A
Hi-z
12
D3
GND
-
13
F3
GPIO1
INOUT
VDDIO1
General purpose inout. Pull-up to VDD
*2
A
Hi-z
14
E3
GPIO2
INOUT
VDDIO1
General purpose inout. Pull-up to VDD
*2
A
Hi-z
15
F4
GPIO3
INOUT
VDDIO1
General purpose inout. Pull-up to VDD
*2
A
Hi-z
16
E4
GPIO4
INOUT
VDDIO1
General purpose inout. Pull-up to VDD
*2
A
Hi-z
17
F5
GPIO5
INOUT
VDDIO1
General purpose inout. Pull-up to VDD
*2
A
Hi-z
18
E5
GPIO6
INOUT
VDDIO1
General purpose inout. Pull-up to VDD
*2
A
Hi-z
19
F6
VDDIO1
-
20
E6
GPIO7
INOUT
VDDIO1
General purpose inout. Pull-up to VDD
*2
A
Hi-z
21
D4
GND
-
22
D6
GPIO8
INOUT
VDDIO2
General purpose inout. Pull-up to VDD
*2
A
Hi-z
23
D5
GPIO9
INOUT
VDDIO2
General purpose inout. Pull-up to VDD
*2
A
Hi-z
24
C6
GPIO10
INOUT
VDDIO2
General purpose inout. Pull-up to VDD
*2
A
Hi-z
25
C5
GPIO11
INOUT
VDDIO2
General purpose inout. Pull-up to VDD
*2
A
Hi-z
26
B6
GPIO12
INOUT
VDDIO2
General purpose inout. Pull-up to VDD
*2
A
Hi-z
27
B5
VDD
28
A6
VDDIO2
-
29
A5
GPIO13
INOUT
VDDIO2
General purpose inout. Pull-up to VDD
*2
A
Hi-z
30
C4
GND
-
31
A4
GPIO14
INOUT
VDDIO2
General purpose inout. Pull-up to VDD
*2
A
Hi-z
32
B4
GPIO15
INOUT
VDDIO2
General purpose inout. Pull-up to VDD
*2
A
Hi-z
33
A3
GPIO16
INOUT
VDDIO2
General purpose inout. Pull-up to VDD
*2
A
Hi-z
34
B3
GPIO17
INOUT
VDDIO2
General purpose inout. Pull-up to VDD
*2
A
Hi-z
35
A2
GPIO18
INOUT
VDDIO2
General purpose inout. Pull-up to VDD
*2
A
Hi-z
36
B2
GPIO19
INOUT
VDDIO2
General purpose inout. Pull-up to VDD
*2
A
Hi-z
*1 The Low Active or High Active of interrupt output level and specific bit mask control are decided by internal register value.
*2 When IOSEL register is set to “1”, please pull-up IO output to the same value as VDDIO1 or VDDIO2 voltages respectively.
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