參數(shù)資料
型號: MAX7349ATG+T
廠商: Maxim Integrated Products
文件頁數(shù): 10/29頁
文件大小: 0K
描述: IC CNTRL SW SOUND 24-TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
應(yīng)用: 聲卡,播放器,記錄器
接口: I²C
電源電壓: 2.4 V ~ 3.6 V
封裝/外殼: 24-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 24-TQFN-EP(4x4)
包裝: 帶卷 (TR)
安裝類型: 表面貼裝
MAX7347/MAX7348/MAX7349
2-Wire Interfaced Low-EMI Key Switch
and Sounder Controllers
18
______________________________________________________________________________________
REGISTER DATA
REGISTER
ADDRESS
CODE (hex)
D7
D6
D5
D4
D3
D2
D1
D0
CONFIGURATION REGISTER
0x04
SHUTDOWN
KEY
SOUND
ENABLE
ALERT
SOUND
ENABLE
ALERT
INT
ENABLE
ALERT
INT
EVENT
SOUNDER
STATUS
TIMEOUT
ENABLE
Serial interface bus timeout enabled
0x04
X
0
Serial interface bus timeout disabled
0x04
X
1
No active sounder output
0x04
X
0
X
Active sounder output set by serial
interface
0x04
X
0
1
X
Active sounder output set by key
debounce event
0x04
X
1
0
X
Active sounder output set by an alert
event
0x04
X
1
X
Alert input interrupt (if enabled) is
asserted according to key-scan
interrupt rules
0x04
X
0
X
Alert input interrupt (if enabled) is
asserted immediately
0x04
X
1
X
Alert input does not cause an
interrupt
0x04
X
0
X
Falling edge of alert input causes
interrupt
0x04
X
1
X
Alert input does not cause an
automatic sound
0x04
X
0
X
Falling edge of alert input causes the
8-bit contents of the alert sound
register 0x07 to be sent to the
sounder
0x04
X
1
X
Debounce key(s) do not cause an
automatic sound
0x04
X
0
X
Debounced key(s), including
autorepeated keys, cause the 8-bit
contents of the key-sound register
0x06 to be sent to the sounder
0x04
X
1
X
Table 12. Configuration Register Format
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