z89138 ZiLOG Semiconductor, z89138 Datasheet - Page 33
z89138
Manufacturer Part Number
z89138
Description
Voice Processing Controllers
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z89138.pdf
(66 pages)
- Current page: 33 of 66
- Download datasheet (325Kb)
Zilog
Interrupts. The Z8 has six different interrupts from six dif-
ferent sources. The interrupts are maskable and prioritized
(Figure 22). The six sources are divided as follows; three
sources are claimed by Port 3 lines P33-P31, two by
DS97TAD0201
Name
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
/DAV2, P31, TIN, AN2
/DAV0, P32, AN2
/DAV1, P33
Source
IRQ3
Interrupt
Request
T0
TI
Table 6. Interrupt Types, Sources, and Vectors
Interrupt
Vector Location
Enable
Global
Figure 22. Interrupt Block Diagram
10, 11
0, 1
2, 3
4, 5
6, 7
8, 9
P R E L I M I N A R Y
IRQ1, 3, 4, 5
Vector Select
External (P32), Programmable Rise or Fall Edge Triggered
External (P33), Fall Edge Triggered
External (P31), Programmable Rise or Fall Edge Triggered
Internal (DSP activated), Fall Edge Triggered
Internal
Internal
Priority
Logic
counter/timers, and one by the DSP (Table 6). The Inter-
rupt Mask Register globally or individually enables or dis-
ables the six interrupt requests.
IMR
IRQ
IPR
IRQ0 IRQ2
Interrupt
Select
Edge
Comments
IRQ Register
(D6, D7)
6
Voice Processing Controllers
Z89138/Z89139
33
1
Related parts for z89138
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Ez80f91 Mini Enet Module
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
Development Boards & Kits - Other Processors ZiLOG TCP/IP Software Suite (ZTP Rev 1.4) - Object Code (Free download on www.zilog.com)
Manufacturer:
ZiLOG
Part Number:
Description:
Z90233, Z90234, And Z90231 Ezvision 200 Television Controller
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
Digital Television Controllers
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
Television Controllers
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
40-pin Low-cost Digital Television Controller
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
40-pin Low-cost Digital Television Controller
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
Digital Television Controller In-circuit Emulator Ice Device
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
Digital Television Controller
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
Digital Television Controller
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
High Performance Microcontrollers
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
Cmos Usc Universal Serial Controller
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
Iusc Integrated Universal Serial Controller
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
16-bit Processor
Manufacturer:
ZiLOG Semiconductor
Datasheet:
Part Number:
Description:
Pcmcia Interface Solution
Manufacturer:
ZiLOG Semiconductor
Datasheet: