AT89LP51RC2 Atmel Corporation, AT89LP51RC2 Datasheet - Page 96
AT89LP51RC2
Manufacturer Part Number
AT89LP51RC2
Description
Manufacturer
Atmel Corporation
Specifications of AT89LP51RC2
Flash (kbytes)
32 Kbytes
Max. Operating Frequency
20 MHz
Cpu
8051-1C
Max I/o Pins
42
Spi
1
Twi (i2c)
1
Uart
1
Adc Channels
7
Adc Resolution (bits)
10
Adc Speed (ksps)
153.8
Sram (kbytes)
1.375
Self Program Memory
API
Operating Voltage (vcc)
2.4 to 5.5
Timers
4
Isp
SPI/OCD/UART
Watchdog
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 96 of 254
- Download datasheet (8Mb)
Table 15-2.
96
CMOD Address = 0D9H
Not Bit Addressable
Bit
Symbol
CIDL
WDTE
CPS
ECF
1-0
AT89LP51RB2/RC2/IC2 Preliminary
CIDL
Function
Counter Idle Control
Clear to allow the PCA Counter to function during Idle Mode. Set to halt the PCA Counter during Idle.
Watchdog Timer Enable
Clear to disable the watchdog timer function on PCA Module 4. Set to enable the watchdog function of PCA Module 4.
PCA Count Pulse Select
CPS1
PCA Enable Counter Overflow Interrupt
Clear to prevent the CF bit in CCON from generating an interrupt. Set to enable CF in CCON as an interrupt source.
7
0
0
1
1
CMOD – PCA Counter Mode Register
CPS0
0
1
0
1
WDTE
The CMOD register includes three additional bits associated with the PCA (See
Table
Figure 15-1. PCA Timer/Counter
The CCON register contains the run control bit for the PCA and the flags for the PCA timer (CF)
and each module (Refer to
6
• The CIDL bit which allows the PCA to stop during idle mode.
• The WDTE bit which enables or disables the watchdog function on module 4. (See
• The ECF bit which when set causes an interrupt and the PCA overflow flag CF (in the CCON
• Bit CR (CCON.6) must be set by software to run the PCA. The PCA is shut off by clearing this
f
PERIPH
Timer 0 Overflow
PCA Clock Input
f
f
Timer 0 Overflow
ECI Input (P1.2)
PERIPH
PERIPH
4
SFR) to be set when the PCA timer overflows.
bit.
and
15-2).
(P1.2) ECI
f
÷(TPS+1)
PERIPH
/(TPS+1) *Note: In Fast Mode TPS is only active when PCAX2 = 1 in CKCON0.
/2
Section
÷2
CIDL
–
5
Idle
15.7)
CPS
0
1
2
3
1-0
–
4
Table
15-3).
CR
–
3
CCAPnL
CL
Modules
To PCA
CCAPnH
CPS1
CH
2
Overflow
Reset Value = 00xx x000B
CPS0
1
CF
ECF
Figure 15-1
3722A–MICRO–10/11
ECF
0
Interrupt
Figure 15-
and
Related parts for AT89LP51RC2
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
8-Bit Microcontroller with 4K Bytes Flash
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
INTERVAL AND WIPE/WASH WIPER CONTROL IC WITH DELAY
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Low-Voltage Voice-Switched IC for Hands-Free Operation
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
AM-FM Receiver IC U4255BM-M
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Monolithic Integrated Feature Phone Circuit
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Multistandard Video-IF and Quasi Parallel Sound Processing
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
High-performance EE PLD
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
8-bit Flash Microcontroller
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
2-Wire Serial EEPROM
Manufacturer:
ATMEL Corporation
Datasheet: