at89lp216-20xi ATMEL Corporation, at89lp216-20xi Datasheet - Page 53
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at89lp216-20xi
Manufacturer Part Number
at89lp216-20xi
Description
At89lp216 8-bit Microcontroller With 2k Bytes Flash
Manufacturer
ATMEL Corporation
Datasheet
1.AT89LP216-20XI.pdf
(90 pages)
- Current page: 53 of 90
- Download datasheet (3Mb)
3621B–MICRO–11/07
Figure 18-2. SPI Shift Register Diagram
Figure 18-3. SPI Block Diagram
Transmit
Serial In
Byte
÷4÷8÷32÷64
SPI Status Register
Oscillator
Select
Divider
SPI Control
8
SPI Clock (Mater)
MUX
8
2:1
SPI Interrupt
Request
8
Parallel Master
Serial Master
(Write Buffer)
D
CLK
D
CLK
LATCH
LATCH
MSTR
SPE
8
MSB
Data Bus
Internal
Q
Q
8
Read Data Buffer
Write Data Buffer
7
8-bit Shift Register
8
SPI Control Register
Clock
Logic
MUX
Clock
LSB
2:1
8
Parallel Slave
Serial Slave
(Read Buffer)
D
CLK
D
CLK
LATCH
LATCH
S
M
M
S
S
M
AT89LP216
Q
Q
8
Serial Out
Receive
Byte
MISO
MOSI
P1.6
P1.5
SCK
P1.4
1.7
SS
53
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