MC96FM204/FM214
114
April 7, 2016 Ver. 1.8
11.8 SPI
11.8.1 Overview
There is serial peripheral interface (SPI) one channel in MC96M204/FM214. The SPI allows synchronous serial
data transfer between the external serial devices. It can do Full-duplex communication by 4-wire (MOSI, MISO,
SCK, SS), support master/slave mode, can select serial clock (SCK) polarity, phase and whether LSB first data
transfer or MSB first data transfer.
11.8.2 Block Diagram
P
r
e
s
c
a
l
e
r
fx
M
U
X
fx/4
fx/8
fx/32
fx/64
fx/128
fx/16
fx/2
SCK
Control
MS
SCK
3
SPICR[2:0]
M
U
X
MS
CPHA
Edge
Detector
CPOL
SPI
Control Circuit
WCOL
SPIEN
INT_ACK
Clear
To interrupt
block
SPIIFR
8-bit Shift
Register
M
U
X
MS
SPIDR
(8-bit)
FLSB
8
D
E
P
MISO
MOSI
SS
SS
Control
MS
SSENA
Internal Bus Line
FXCH
Figure 11.25 SIO Block Diagram
Summary of Contents for MC96FM204
Page 17: ...MC96FM204 FM214 April 7 2016 Ver 1 8 17 4 Package Diagram Figure 4 1 20 Pin SOP Package ...
Page 18: ...MC96FM204 FM214 18 April 7 2016 Ver 1 8 Figure 4 2 20 Pin TSSOP Package ...
Page 19: ...MC96FM204 FM214 April 7 2016 Ver 1 8 19 Figure 4 3 16 Pin SOP Package ...
Page 20: ...MC96FM204 FM214 20 April 7 2016 Ver 1 8 Figure 4 4 16 Pin TSSOP Package ...