AT89C5131A-PUTIM Atmel, AT89C5131A-PUTIM Datasheet - Page 61
AT89C5131A-PUTIM
Manufacturer Part Number
AT89C5131A-PUTIM
Description
IC 8051 MCU FLASH 32K USB 32QFN
Manufacturer
Atmel
Series
AT89C513xr
Datasheet
1.AT89C5130A-PUTUM.pdf
(188 pages)
Specifications of AT89C5131A-PUTIM
Core Processor
C52X2
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
LED, POR, PWM, WDT
Number Of I /o
18
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
1.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
For Use With
AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-05 - KIT STARTER FOR AT89C5131
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
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Figure 14-2. PCA Interrupt System
4337K–USB–04/08
PCA Timer/Counter
Module 0
Module 1
Module 2
Module 3
Module 4
CMOD.0
Reset Value = 000X 0000b
Not bit addressable
The watchdog timer function is implemented in module 4 (See Figure 14-4).
The PCA interrupt system is shown in Figure 14-2.
PCA Modules: each one of the five compare/capture modules has six possible functions. It can
perform:
In addition, module 4 can be used as a Watchdog Timer.
Each module in the PCA has a special function register associated with it. These registers are:
CCAPM0 for module 0, CCAPM1 for module 1, etc. (see Table 14-3). The registers contain the
bits that control the mode that each module will operate in.
Number
• 16-bit capture, positive-edge triggered
• 16-bit capture, negative-edge triggered
• 16-bit capture, both positive and negative-edge triggered
• 16-bit Software Timer
• 16-bit High-speed Output
• 8-bit Pulse Width Modulator
Bit
1
0
ECF
Mnemonic
CCF1
CCF0
Bit
CF
ECCFn CCAPMn.0
Description
PCA Module 1 Interrupt Flag
Must be cleared by software.
Set by hardware when a match or capture occurs.
PCA Module 0 Interrupt Flag
Must be cleared by software.
Set by hardware when a match or capture occurs.
CR
CCF4 CCF3 CCF2 CCF1 CCF0
IE.6
EC
IE.7
EA
AT89C5130A/31A-M
priority decoder
CCON
0xD8
To Interrupt
61
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