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SH79F6488P/080PR Fiches technique(PDF) 82 Page - SINOWEALTH Electronic Ltd

No de pièce SH79F6488P/080PR
Description  Enhanced 8051 Microcontroller with 20bit Σ-ΔADC and LCD Driver
PDF  152 Pages
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Fabricant  SINOWEALTH [SINOWEALTH Electronic Ltd]
Site Internet  https://en.sinowealth.com
Logo SINOWEALTH - SINOWEALTH Electronic Ltd

SH79F6488P/080PR Fiches technique(HTML) 82 Page - SINOWEALTH Electronic Ltd

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SH79F6488/SH79F6489
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8.3.3 Baud Rate
In master mode, the baud rate is chosen from one of the six clock rates by the division of the internal clock by 4, 8, 16, 32, 64 or
128 set by the three bits SPR[2:0] in the SPCON register.
8.3.4 Functional Description
The following diagram shows a detailed structure of the SPI module.
Internal Bus
Clock
Divider
/128
/4
/8
/16
/32
/64
Clock Select
Clock Logic
SPI
Control
DIR
MSTR
CPHA
CPOL
SSDIS
SPR2
SPR1
SPR0
SPEN
SPIF
MODF WCOL
RXOV
-
-
-
SPSTA
Pin
Control
Logic
MOSI
MISO
SCK
SS
M
S
FCLK PERIPH
Recieve Data Register
SPI Interrupt Request
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Recieve Register
Transmit Register
SPDAT
8-bit Bus
1-bit Signal
SPI Module Block Diagram



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