am79c850 Advanced Micro Devices, am79c850 Datasheet - Page 67
am79c850
Manufacturer Part Number
am79c850
Description
Supernet-r 3
Manufacturer
Advanced Micro Devices
Datasheet
1.AM79C850.pdf
(97 pages)
- Current page: 67 of 97
- Download datasheet (342Kb)
Default Timer and Register Values
The following are the default timer/register values on
power-up reset.
Timer/Register
MIR (1–0) register
TMAX register
TVX register and timer
TRT timer (bit 20–5)
THT timer
TNEG register (bit 20–5)
TMRS register
TREQ0 register
TREQ1 register
TPRI(1–0) register
TSYNC register
TMSYNC timer
CMDREG1
CMDREG2
ST1U
ST1L
ST2U
ST2L
ST3U
ST3L
IMSK1U
IMSK1L
IMSK2U
IMSK2L
IMSK3U
IMSK3L
IVR
IMR
SAID
LAIM
LAIC
LAIL
SAGP
LAGM
LAGC
LAGL
NPADDR
12h & 13h
14h
15h
16h
17h
18h
19h
1ah
1bh
1c & 1d
1fh
40h
00h
01h
00h
01h
02h
03h
61h
62h
04h
05h
06h
07h
63h
64h
65h
66h
08h
09h
0ah
0bh
0ch
0dh
0eh
0fh
P R E L I M I N A R Y
SUPERNET 3
Default Value
00 00 00 00h
03C7h
85h
03C7h
FFFFh
03C7h
801Fh
78E0h
0000h
FFFFh
0000h
FA97h
0000h
0000h
0000h
0007h
4000h
0000h
4000h
0000h
FFFFh
FFFFh
FFFFh
FFFFh
FFFFh
FFFFh
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
*3
*1
*1
*2
Actual Time Value
-NA-
165.29664 ms
3.4068 ms
165.29664 ms
-NA-
165.29664 ms
-NA-
165.29664 ms
-NA-
-NA-
3.5456 ms
(2xDMAX when ring
not operational)
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
-NA-
AMD
67
Related parts for am79c850
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Advanced Micro Devices [4,096-Bit (512x8) Bipolar PROM]
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Advanced Micro Devices [4,096-Bit (512x8) Bipolar PROM]
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Advanced Micro Devices [8 Megabit (512 K x 16-Bit) CMOS 3.0 Volt-only Burst Mode Flash Memory]
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
M41000001YAdvanced Micro Devices [32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 4 Mbit (512 K x 8-Bit/256 K x 16-Bit) Static RAM]
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Advanced Burst Error Processor
Manufacturer:
Advanced Micro Devices
Part Number:
Description:
Serial interface adapter (SIA)
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Universal interrupt controller
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
256 kilobit CMOS EPROM
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
2048 x 8 static RAM, 100ns
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Three-State Octal Buffers
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
AM2966PCOctal Dynamic Memory Drivers with Three-State Outputs
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Three-State Octal Buffers
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Three-State Octal Buffers
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
TTL programmable array logic, 7ns
Manufacturer:
Advanced Micro Devices
Datasheet: