参数资料
型号: W91030BS
厂商: WINBOND ELECTRONICS CORP
元件分类: 无绳电话/电话
英文描述: TELEPHONE CALLING NO IDENT CKT, PDSO24
封装: 300MIL, PLASTIC, SOP-24
文件页数: 3/32页
文件大小: 245K
代理商: W91030BS
W91030B
Publication Release Date: Sep. 27, 2005
- 11 -
Revision A2
Tip/Ring
1*
1
0
b0 b1 b2
start
b3 b4 b5 b6 b7 1*
0
b0 b1 b2 b3 b4 b5 b6 b7 1
10
b0
stop
start
stop
start
DATA
b0 b1 b2 b3 b4 b5 b6 b7
start
stop
start
stop
start
tIDD
DCLK
FDRN
1/fDCLK0
t CRD
t RL
1st byte data
2nd byte data
1st byte data
2nd byte data
* Mark bit or redundant stop bit(s), will be omitted.
Figure 7-7. Serial Data Interface Timing of FSK Demodulation in Mode 0
Mode 1 (MODE = high):
The W91030B processes the FSK signal and sets the FDRN pin low to denote the 8-bit boundary and
to indicate to the microcontroller that new data has been transmitted. FDRN will return high on the first
rising edge of DCLK. FDRN is low for half of a nominal bit time (1/2400 sec) if DCLK is not driven
high. DCLK is used to shift 8-bit data out (LSB shift first) on the rising edge. After the last bit (MSB)
has been read, additional clock pulses on DCLK are ignored. Figure 7-8 shows the timing diagram of
the 3-wire signals and the input of the FSK signal in mode 1.
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