AT83C5135 Atmel Corporation, AT83C5135 Datasheet - Page 68

• Manufacturer Part Number: AT83C5135
• Manufacturer: Atmel Corporation

Specifications of AT83C5135

• Max. Operating Frequency: 32 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Sram (kbytes): 1.25
• Eeprom (bytes): 512
• Operating Voltage (vcc): 2.7 to 3.6
• Timers: 4
• Mask Rom (kbytes): 16
• Watchdog: Yes

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AT83C5134/35/36
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
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
PSPIHPSPIL Priority Level
0
0
1
1
TWI Interrupt Priority High bit
PTWIHPTWIL Priority Level
0
0
1
1
Keyboard Interrupt Priority High bit
PKBH PKBL
0
0
1
1
5
-
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Lowest
Highest
Lowest
Highest
Lowest
Highest
Priority Level
Lowest
Highest
4
-
3
-
PSPIH
2
PTWIH
1
7683C–USB–11/07
PKBH
0