EM78451AP EMC [ELAN Microelectronics Corp], EM78451AP Datasheet - Page 23

• Manufacturer Part Number: EM78451AP
• Description: 8-Bit Microcontroller
• Manufacturer: EMC [ELAN Microelectronics Corp]

Product Specification (V1.2) 05.27.2004
(This specification is subject to change without further notice)
S lave 2 for m aster 1
P92/SDI
P93/SDO
P95/ /SS
Buffer Full Detector
Tsco
RBF
4.5.2
M aster1
S lave1
Set to 1
Fig. 10 The SPI Configuration of Single-Master and Multi-Slave
or
RBFI
/
TMR1/2
SPI Function Description
SS
SBR0 ~SBR2
4, 8, 16, 32, 64
S lave 3 for M aster 1/2
Read
/S S
S D O
S D I
S C K
Prescaler
P 50
P 51
P 52
P 53
SPIR
bit 0
SBR2~SBR0
Fig. 11 SPI Block Diagram
reg
8
SPIS
Clock Select
S lave 4 for M aster1/2
2
reg
SE
Select
Edge
Write
SPIC bit6
shift right
SPIW reg
Select
Edge
bit 7
P 50
P 51
P 52
P 53
/S S
S D I
S D O
S C K
Noise
Filter
S lave 5 for M aster 2
M aster2
SPIC reg
S lave6
8-Bit Microcontroller
or
P94/SCK
EM78451
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