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ST72E121 Datasheet(PDF) 74 Page - STMicroelectronics

Part # ST72E121
Description  8-BIT MCU WITH 8 TO 16K OTP/EPROM, 384 TO 512 BYTES RAM, WDG, SCI, SPI AND 2 TIMERS
PDF  92 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72E121 Datasheet(HTML) 74 Page - STMicroelectronics

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ST72E121 ST72T121
SERIAL PERIPHERAL INTERFACE (Cont’d)
Table 18. SPI Register Map and Reset Values
Address
(Hex.)
Register
Name
76543210
21
DR
Reset Value
D7
x
D6
x
D5
x
D4
x
D3
x
D2
x
D1
x
D0
x
22
CR
Reset Value
SPIE
0
SPE
0
SPR2
0
MSTR
0
CPOL
x
CPHA
x
SPR1
x
SPR0
x
23
SR
Reset Value
SPIF
0
WCOL
0
-
0
MODF
0
-
0
-
0
-
0
-
0
74



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