AT89C5131-S3SIL Atmel, AT89C5131-S3SIL Datasheet - Page 85
AT89C5131-S3SIL
Manufacturer Part Number
AT89C5131-S3SIL
Description
IC 8051 MCU FLASH 32K USB 52PLCC
Manufacturer
Atmel
Series
AT89C513xr
Datasheet
1.AT89C5131-S3SIL.pdf
(176 pages)
Specifications of AT89C5131-S3SIL
Core Processor
C52X2
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
LED, POR, PWM, WDT
Number Of I /o
34
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)
3 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
52-PLCC
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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Power Reduction Mode
Registers
4136B–USB–09/03
P1 inputs allow exit from idle and power down modes as detailed in section “Power-
down Mode”.
Table 69. KBF Register
KBF - Keyboard Flag Register (9Eh)
Reset Value = 0000 0000b
Number
KBF7
Bit
7
7
6
5
4
3
2
1
0
Mnemonic Description
KBF6
KBF7
KBF6
KBF5
KBF4
KBF3
KBF2
KBF1
KBF0
Bit
6
Keyboard line 7 flag
Set by hardware when the Port line 7 detects a programmed level. It generates a
Keyboard interrupt request if the KBKBIE.7 bit in KBIE register is set.
Must be cleared by software.
Keyboard line 6 flag
Set by hardware when the Port line 6 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.6 bit in KBIE register is set.
Must be cleared by software.
Keyboard line 5 flag
Set by hardware when the Port line 5 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.5 bit in KBIE register is set.
Must be cleared by software.
Keyboard line 4 flag
Set by hardware when the Port line 4 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.4 bit in KBIE register is set.
Must be cleared by software.
Keyboard line 3 flag
Set by hardware when the Port line 3 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.3 bit in KBIE register is set.
Must be cleared by software.
Keyboard line 2 flag
Set by hardware when the Port line 2 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.2 bit in KBIE register is set.
Must be cleared by software.
Keyboard line 1 flag
Set by hardware when the Port line 1 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.1 bit in KBIE register is set.
Must be cleared by software.
Keyboard line 0 flag
Set by hardware when the Port line 0 detects a programmed level. It generates a
Keyboard interrupt request if the KBIE.0 bit in KBIE register is set.
Must be cleared by software.
KBF5
5
KBF4
4
KBF3
3
KBF2
2
AT89C5131
KBF1
1
KBF0
0
85
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