AT89C5131A-PUTIM Atmel, AT89C5131A-PUTIM Datasheet - Page 86

• Manufacturer Part Number: AT89C5131A-PUTIM
• Description: IC 8051 MCU FLASH 32K USB 32QFN
• Manufacturer: Atmel
• Series: AT89C513xr

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: -

86
AT89C5130A/31A-M
Table 16-7.
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
IPH1 Register
PTWIH
PUSBH
PSPIH
PKBH
Bit
-
-
-
-
6
Description
Reserved
The value read from this bit is indeterminate. Do not set this bit.
USB Interrupt Priority High bit
PUSBH
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
PSPIH
0
0
1
1
TWI Interrupt Priority High bit
PTWIH
0
0
1
1
Keyboard Interrupt Priority High bit
PKBH
0
0
1
1
5
-
PUSBL
0
1
0
1
PSPIL
0
1
0
1
PTWIL
0
1
0
1
PKBL
0
1
0
1
4
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
-
3
-
PSPIH
2
PTWIH
1
4337K–USB–04/08
PKBH
0