AT89C51SND1C-ROTIL ATMEL Corporation, AT89C51SND1C-ROTIL Datasheet - Page 36
AT89C51SND1C-ROTIL
Manufacturer Part Number
AT89C51SND1C-ROTIL
Description
Single-Chip Microcontroller with MP3 Decoder and Man-Machine Interface
Manufacturer
ATMEL Corporation
Datasheet
1.AT89C51SND1C-ROTIL.pdf
(47 pages)
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Figure 21. SPI Master Waveforms (SSCPHA = 0)
Note:
Figure 22. SPI Master Waveforms (SSCPHA = 1)
Note:
36
SS
SS
AT8xC51SND1C
handled by software using general purpose port pin.
handled by software using general purpose port pin.
(SSCPOL = 0)
(SSCPOL = 1)
(SSCPOL = 0)
(SSCPOL = 1)
(output)
(output)
(output)
(output)
(output)
(input)
(input)
(input)
(input)
(input)
SS1
SS1
MISO
MOSI
SCK
SCK
SCK
SCK
SO
SI
(1)
(1)
Port Data
T
T
SLCH
SLCL
1
T
SLOV
T
T
CHCX
CHCX
SLAVE MSB OUT
T
T
T
T
IVCH
IVCH
IVCL
IVCL
MSB IN
MSB IN
T
T
MSB OUT
T
T
CHCH
CHCH
CLOV
CHOV
T
T
T
T
T
T
CHIX
CLIX
CHIX
CLIX
CLCX
CLCX
BIT 6
BIT 6
T
T
T
T
CLOX
CHOX
CHOV
CLOV
BIT 6
BIT 6
T
T
SLAVE LSB OUT
T
T
CLCH
CHCL
CLCH
CHCL
LSB IN
LSB IN
LSB OUT
T
T
CHOX
CLOX
T
T
CHSH
CLSH
T
SHSL
T
Port Data
SHOX
4106F–8051–10/02
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