AT89C5131A-TISIL Atmel, AT89C5131A-TISIL Datasheet - Page 83
AT89C5131A-TISIL
Manufacturer Part Number
AT89C5131A-TISIL
Description
IC 8051 MCU FLASH 32K USB 28SOIC
Manufacturer
Atmel
Series
AT89C513xr
Specifications of AT89C5131A-TISIL
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)
3 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
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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4338F–USB–08/07
Table 66. IPH1 Register
IPH1 - Interrupt Priority High Register (B3h)
Reset Value = X0XX X000b
Not bit addressable
Number
Bit
7
6
5
4
3
2
1
0
7
-
Mnemonic
PUSBH
PUSBH
PTWIH
PSPIH
PKBH
Bit
6
-
-
-
-
Description
Reserved
The value read from this bit is indeterminate. Do not set this bit.
USB Interrupt Priority High bit
PUSBHPUSBLPriority Level
0
0
1
1
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
SPI Interrupt Priority High bit
PSPIHPSPILPriority Level
0
0
1
1
TWI Interrupt Priority High bit
PTWIHPTWILPriority Level
0
0
1
1
Keyboard Interrupt Priority High bit
PKBHPKBLPriority Level
0
0
1
1
0Lowest
1
0
1Highest
0Lowest
1
0
1Highest
0Lowest
1
0
1Highest
0Lowest
1
0
1Highest
5
-
4
-
3
-
PSPIH
2
PTWIH
1
PKBH
0
83
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