MAXQ612/MAXQ622 User’s Guide
Maxim Integrated 4-11
REGISTER DESCRIPTION
IPR1, 08h[0Ah]
Interrupt Priority Register One (16 bits)
Initialization This register is cleared to 0000h on all forms of reset.
Access Unrestricted direct read/write.
IPR1[1:0] (IVP8[1:0]) Interrupt Vector 8 Priority Bits 1:0. These bits are used to specify the priority level of
interrupt vector 8.
IVP[1:0] PRIORITY
00 Level 0 (the highest)
01 Level 1
10 Level 2 (the lowest)
11 Reserved (interrupt disabled)
IPR1[3:2] (IVP9[1:0])
Interrupt Vector 9 Priority Bits 1:0. These bits are used to specify the priority level of
interrupt vector 9.
IPR1[5:4] (IVP10[1:0]) Interrupt Vector 10 Priority Bits 1:0. These bits are used to specify the priority level of
interrupt vector 10.
IPR1[7:6] (IVP11[1:0]) Interrupt Vector 11 Priority Bits 1:0. These bits are used to specify the priority level of
interrupt vector 11.
IPR1[9:8] (IVP12[1:0]) Interrupt Vector 12 Priority Bits 1:0. These bits are used to specify the priority level of
interrupt vector 12.
IPR1[11:10] (IVP13[1:0]) Interrupt Vector 13 Priority Bits 1:0. These bits are used to specify the priority level of
interrupt vector 13.
IPR1[13:12] (IVP14[1:0]) Interrupt Vector 14 Priority Bits 1:0. These bits are used to specify the priority level of
interrupt vector 14.
IPR1[15:14] (IVP15[1:0]) Interrupt Vector 15 Priority Bits 1:0. These bits are used to specify the priority level of
interrupt vector 15.
PRIVF, 08h[0Bh]
Privilege Flag Register (8 bits)
Initialization This register is cleared to 00h on all forms of reset.
Access Unrestricted direct read/write.
PRIVF.3 to PRIVF.0 Reserved. All reads return 0.
PRIVF.4 (PULRF) Protected User Loader Read Interrupt Flag. The interrupt flag is set to 1 if code
attempts/requests to read user loader memory when PULR = 0. Once set, this flag can
only be cleared by software or by reset.
PRIVF.5 (PULWF) Protected User Loader Write Interrupt Flag. The interrupt flag is set to 1 if code
attempts/requests to write user loader memory when PULW = 0. Once set, this flag can
only be cleared by software or by reset.
PRIVF.6 (PSYRF) Protected System Read Interrupt Flag. The interrupt flag is set to 1 if code attempts/
requests to read system memory when PSYR = 0. Once set, this flag can only be cleared
by software or by reset.
PRIVF.7 (PSYWF) Protected System Write Interrupt Flag. The interrupt flag is set to 1 if code attempts/
requests to write system memory when PSYW = 0. Once set, this flag can only be cleared
by software or by reset.
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