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ML51/ML54/ML56
Sep. 01, 2020
Page
523
of 719
Rev 2.00
ML
51
/ML
54
/ML
5
6 S
E
RI
E
S
TECHNI
CA
L
RE
F
E
R
E
NC
E
M
A
NU
A
L
ML51/M
L54
/M
L56
Series
Tec
hnical Reference
Manual
6.11.3 Block Diagram
Divider
Select
MSB
LSB
P
in
C
o
n
to
rl
L
o
g
ic
MISO
MOSI
SPCLK
SS
SPI Status Control Logic
SPI Status Register
SPI Control Register
Clock Logic
S
M
M
S
CLOCK
S
P
IF
W
C
O
L
S
P
IO
V
F
M
O
D
F
D
IS
M
O
D
F
SPI Interrupt
S
P
IE
N
MSTR
M
S
T
R
S
S
O
E
D
IS
M
O
D
F
S
P
R
0
S
P
R
1
S
P
R
0
S
P
R
1
C
P
H
A
C
P
O
L
M
S
T
R
L
S
B
F
E
S
P
IE
N
S
S
O
E
SPIEN
Internal
Data Bus
F
SYS
Write Data Buffer
8-bit Shift Register
Read Data Buffer
Figure 6.11-1 SPI Block Diagram