C8051F336-GMR Silicon Laboratories Inc, C8051F336-GMR Datasheet - Page 167
C8051F336-GMR
Manufacturer Part Number
C8051F336-GMR
Description
Microcontrollers (MCU) 16KB 10ADC 10DAC 768Ram MCU Lead Free
Manufacturer
Silicon Laboratories Inc
Datasheet
1.C8051F336-GM.pdf
(226 pages)
Specifications of C8051F336-GMR
Processor Series
C8051F3x
Core
8051
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
16 KB
Data Ram Size
768 B
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
17
Number Of Timers
4
Operating Supply Voltage
2.7 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
QFN-20
3rd Party Development Tools
KSK-SL-TOOLSTICK, PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F336DK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
On-chip Dac
10 bit
Package
20QFN
Device Core
8051
Family Name
C8051F336
Maximum Speed
25 MHz
Ram Size
768 Byte
Operating Temperature
-40 to 85 °C
Lead Free Status / Rohs Status
Details
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23. Enhanced Serial Peripheral Interface (SPI0)
The Enhanced Serial Peripheral Interface (SPI0) provides access to a flexible, full-duplex synchronous
serial bus. SPI0 can operate as a master or slave device in both 3-wire or 4-wire modes, and supports mul-
tiple masters and slaves on a single SPI bus. The slave-select (NSS) signal can be configured as an input
to select SPI0 in slave mode, or to disable Master Mode operation in a multi-master environment, avoiding
contention on the SPI bus when more than one master attempts simultaneous data transfers. NSS can
also be configured as a chip-select output in master mode, or disabled for 3-wire operation. Additional gen-
eral purpose port I/O pins can be used to select multiple slave devices in master mode.
SYSCLK
Clock Divide
SPI0CKR
SFR Bus
SPI0DAT
Logic
Write
Transmit Data Buffer
Receive Data Buffer
Figure 23.1. SPI Block Diagram
7
6
Shift Register
5
SPI CONTROL LOGIC
4
3
Data Path
2
SFR Bus
SPI0CFG
Control
SPI0DAT
1
SPI0DAT
Read
0
Rev.1.0
Tx Data
Rx Data
Pin Interface
Control
Control
Logic
Pin
SPI0CN
MOSI
MISO
SCK
NSS
C8051F336/7/8/9
C
R
O
S
S
B
A
R
SPI IRQ
Port I/O
167
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