AT89C51CC03UA-SLSUM Atmel, AT89C51CC03UA-SLSUM Datasheet - Page 137
AT89C51CC03UA-SLSUM
Manufacturer Part Number
AT89C51CC03UA-SLSUM
Description
IC 8051 MCU FLASH 64K 44PLCC
Manufacturer
Atmel
Series
AT89C CANr
Datasheet
1.AT89C51CC03C-S3RIM.pdf
(198 pages)
Specifications of AT89C51CC03UA-SLSUM
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
36
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
2304 B
Interface Type
UART, SPI
Maximum Clock Frequency
60 MHz
Number Of Programmable I/os
36
Number Of Timers
2
Operating Supply Voltage
3 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
For Use With
AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
AT89C51CC03UASLSUM
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Registers
Serial Peripheral Control
Register (SPCON)
4182O–CAN–09/08
Figure 66. SPI Interrupt Requests Generation
Three registers in the SPI module provide control, status and data storage functions.
These registers are describe in the following paragraphs.
•
•
•
•
•
•
Table 92 describes this register and explains the use of each bit
Table 92. SPCON Register
SPCON - Serial Peripheral Control Register (0D4H)
Bit Number
SPR2
The Serial Peripheral Control Register does the following:
Selects one of the Master clock rates
Configure the SPI Module as Master or Slave
Selects serial clock polarity and phase
Enables the SPI Module
Frees the SS pin for a general-purpose
7
7
6
5
4
SPEN
6
Bit Mnemonic
MODFIE
SPTEIE
MODF
SPTE
SPIF
SSDIS
MSTR
SPEN
SPR2
SSDIS
5
Description
Serial Peripheral Rate 2
Bit with SPR1 and SPR0 define the clock rate (See bits SPR1 and
SPR0 for detail).
Serial Peripheral Enable
Cleared to disable the SPI interface (internal reset of the SPI).
Set to enable the SPI interface.
SS Disable
Cleared to enable SS in both Master and Slave modes.
Set to disable SS in both Master and Slave modes. In Slave mode,
this bit has no effect if CPHA =’0’. When SSDIS is set, no MODF
interrupt request is generated
Serial Peripheral Master
Cleared to configure the SPI as a Slave.
Set to configure the SPI as a Master.
MSTR
4
CPOL
3
.
CPHA
CPU Interrupt Request
AT89C51CC03
2
SPI
SPR1
1
SPR0
0
137
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