Rainbow Electronics AT89C5122 - Manual (Page 167)

167
AT8xC5122/23
4202E–SCR–06/06
Reset Value = X0XX 0XXXb (Bit addressable)
Table 104. Interrupt Priority Low Register 1 - IPL1 (B2h) for AT83C5123
7 6 5 4 3 2 1 0
- PUSBL - - PSCIL
Bit
Number
Bit
Mnemonic Description
7 -
Reserved
The value read from this bit is indeterminate. Do not change this bit.
6 PUSBL
USB Interrupt Priority bit
Refer to PUSBH for priority level.
5 - 4 -
Reserved
The value read from this bit is indeterminate. Do not change these bits.
3 PSCIL
SCI Interrupt Priority bit
Refer to PSPIH for priority level.
2
Reserved
The value read from this bit is indeterminate. Do not change this bit.
1
Reserved
The value read from this bit is indeterminate. Do not change this bit.
0
Reserved
The value read from this bit is indeterminate. Do not change this bit.