p89v660 NXP Semiconductors, p89v660 Datasheet - Page 67

• 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
Table 55.
Bit addressable; Reset value: 00H
Table 56.
Table 57.
Bit addressable; Reset value: 00H
Table 58.
Table 59.
Bit addressable; Reset value: 00H
Table 60.
Bit
7
6
5
4
3
2
1
0
Bit
7 to 3
2
1
0
Bit
7
6
5
4
3
2
1
0
Bit
Symbol
Bit
Symbol
Bit
Symbol
IEN0 - Interrupt enable register 0 (address A8H) bit allocation
IEN0 - Interrupt enable register 0 (address A8H) bit description
IEN1 - Interrupt enable register 1 (address E8H) bit allocation
IEN1 - Interrupt enable register 1 (address E8H) bit description
IP0 - Interrupt priority 0 low register (address B8H) bit allocation
IP0 - Interrupt priority 0 low register (address B8H) bit description
Symbol
EA
EC
ES1
ES0
ET1
EX1
ET0
EX0
Symbol
-
ES3
ES2
ET2
Symbol
PT2
PPC
PS1
PS0
PT1
PX1
PT0
PX0
PT2
EA
7
7
7
-
Rev. 02 — 29 January 2008
PPC
EC
6
6
6
-
Description
Interrupt Enable Bit: EA = 1 interrupt(s) can be serviced, EA = 0
interrupt servicing disabled.
PCA Interrupt Enable bit.
I
Serial Port Interrupt Enable
Timer 1 Overflow Interrupt Enable.
External Interrupt 1 Enable.
Timer 0 Overflow Interrupt Enable.
External Interrupt 0 Enable.
Description
Reserved for future use. Should be set to ‘0’ by user programs.
SPI Interrupt Enable.
I
Timer 2 Interrupt Enable.
Description
Timer 2 Interrupt Priority Low Bit.
PCA Interrupt Priority Low Bit.
I
Serial Port Interrupt Priority Low Bit.
Timer 1 Interrupt Priority Low Bit.
External Interrupt 1 Priority Low Bit.
Timer 0 Interrupt Priority Low Bit.
External Interrupt 0 Priority Low Bit.
2
2
2
C-bus Interrupt Enable (primary).
C-bus Interrupt Enable (secondary).
C-bus Interrupt Priority Low Bit.
ES1
PS1
5
5
5
-
80C51 with 512 B/1 kB/2 kB RAM, dual I
ES0
PS0
4
4
4
-
ET1
PT1
P89V660/662/664
3
3
3
-
EX1
ES3
PX1
2
2
2
© NXP B.V. 2008. All rights reserved.
ET0
ES2
PT0
1
1
1
2
C-bus, SPI
EX0
PX0
ET2
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0
0
0