p89v660 NXP Semiconductors, p89v660 Datasheet - Page 68

• Manufacturer Part Number: p89v660
• Description: P89v660/p89v662/p89v664 8-bit 80c51 5 V Low Power 16 Kb/32 Kb/64 Kb Flash Microcontroller With 512 B/1 Kb/2 Kb Ram, Dual I2c-bus, Spi
• Manufacturer: NXP Semiconductors

NXP Semiconductors
P89V660_662_664_2
Product data sheet
6.13 Power-saving modes
Table 61.
Not bit addressable; Reset value: 00H
Table 62.
Table 63.
Bit addressable; Reset value: 00H
Table 64.
Table 65.
Not bit addressable; Reset value: 00H
Table 66.
The device provides two power saving modes of operation for applications where power
consumption is critical. The two modes are idle and power-down, see
Bit
7
6
5
4
3
2
1
0
Bit
7 to 2
1
0
Bit
7 to 2
1
0
Bit
Symbol
Bit
Symbol
Bit
Symbol
IP0H - Interrupt priority 0 high register (address B7H) bit allocation
IP0H - Interrupt priority 0 high register (address B7H) bit description
IP1 - Interrupt priority 1 register (address 91H) bit allocation
IP1 - Interrupt priority 1 register (address 91H) bit description
IP1H - Interrupt priority 1 high register (address 92H) bit allocation
IP1H - Interrupt priority 1 high register (address 92H) bit description
PT2H
Symbol
PT2H
PPCH
PS1H
PS0H
PT1H
PX1H
PT0H
PX0H
Symbol
-
PS3
PS2
Symbol
-
PS3H
PS2H
7
7
7
-
-
PPCH
Rev. 02 — 29 January 2008
6
6
6
-
-
Description
Timer 2 Interrupt Priority High Bit.
PCA Interrupt Priority High Bit.
I
Serial Port Interrupt Priority High Bit.
Timer 1 Interrupt Priority High Bit.
External Interrupt 1 Priority High Bit.
Timer 0 Interrupt Priority High Bit.
External Interrupt 0 Priority High Bit.
Description
Reserved for future use. Should be set to ‘0’ by user programs.
SPI Interrupt Priority Low Bit.
I
Description
Reserved for future use. Should be set to ‘0’ by user programs.
SPI Interrupt Priority High Bit.
I
2
2
2
C-bus Interrupt Priority High Bit (primary).
C-bus Interrupt Priority 1 Low Bit (secondary).
C-bus Interrupt Priority High Bit (secondary).
PS1H
5
5
5
-
-
80C51 with 512 B/1 kB/2 kB RAM, dual I
PS0H
4
4
4
-
-
PT1H
P89V660/662/664
3
3
3
-
-
PX1H
2
2
2
-
-
Table
© NXP B.V. 2008. All rights reserved.
PS3H
PT0H
PS3
1
1
1
67.
2
C-bus, SPI
PX0H
PS2H
PS2
68 of 89
0
0
0