參數(shù)資料
型號(hào): PCD3312CP
廠(chǎng)商: NXP SEMICONDUCTORS
元件分類(lèi): 無(wú)繩電話(huà)/電話(huà)
英文描述: DTMF/modem/musical-tone generators
中文描述: TELEPHONE MULTIFUNCTION CKT, PDIP8
封裝: 0.300 INCH, PLASTIC, SOT97-1, DIP-8
文件頁(yè)數(shù): 15/28頁(yè)
文件大小: 176K
代理商: PCD3312CP
1996 Nov 21
15
Philips Semiconductors
Product specification
DTMF/modem/musical-tone generators
PCD3311C; PCD3312C
Fig.13 Low-speed mode timing.
handbook, full pagewidth
MGG545
tBUF
tf
tLOW
tHD;STA
tr
tHIGH
tHD;DAT
tSU;DAT
tSU;STA
tSU;STO
SDA
SCL
SDA
Fig.14 Complete data transfer in low speed mode.
handbook, full pagewidth
MGG546
SCL
START
CONDITION
START BYTE
DUMMY
ACKNOWLEDGE
REPEATED
START
CONDITION
ADDRESS
R/W
ACKNOWLEDGE
STOP
CONDITION
Clock LOW minimum = 130
μ
s
±
25
μ
s; clock HIGH minimum 390
μ
s
±
25
μ
s.
Mark-to-space ratio = 1 : 3 (LOW-to-HIGH).
Start byte 0000 0001.
Maximum number of bytes = 6.
Premature termination of transfer not allowed.
Acknowledge clock bit must be provided by master.
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