參數(shù)資料
型號(hào): 935008920112
廠(chǎng)商: NXP SEMICONDUCTORS
元件分類(lèi): 無(wú)繩電話(huà)/電話(huà)
英文描述: TELEPHONE MULTIFUNCTION CKT, PDIP8
封裝: 0.300 INCH, PLASTIC, SOT-97-1, MO-001AN, DIP-8
文件頁(yè)數(shù): 31/32頁(yè)
文件大?。?/td> 253K
代理商: 935008920112
1996 Nov 21
8
Philips Semiconductors
Product specication
DTMF/modem/musical-tone generators
PCD3311C; PCD3312C
7.10
Power-on reset
In order to avoid an undefined state when the power is switched ON, the devices have an internal reset circuit which sets
the standby mode (oscillator OFF).
7.11
TABLES OF INPUT AND OUTPUT
The specified output tones are obtained when a 3.579545 MHz crystal is used.
In each table, the logical states for the input data lines are related to voltage levels as follows:
1 = HIGH = VDD
0 = LOW = VSS
X = don’t care
Table 2
Input data for no output tone, TONE in 3-state
Note
1. The alternative HEX values depend on the value of D5.
D5
D4
D3
D2
D1
D0
HEX(1)
OSCILLATOR
X
0
00 or 20
ON
X
0
1
01 or 21
OFF
X
0
1
0
02 or 22
OFF
X
0
1
03 or 23
OFF
handbook, full pagewidth
MGG512
S
010010
A0
0
A
X
D5
D4
D3
D2
D1
D0
A
P
slave address
data
R/W
MSB
acknowledge
from slave
acknowledge
from slave
internal STROBE
for data latching
Fig.6 I2C-bus data format.
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