參數(shù)資料
型號(hào)： SAA7146AHZ
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： Circular Connector; No. of Contacts:66; Series:MS27472; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:18; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle; Insert Arrangement:18-35 RoHS Compliant: No
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP208
封裝： PLASTIC, SOT-316, SQFP-208
文件頁數(shù)： 20/144頁
文件大?。?/td> 645K
代理商： SAA7146AHZ
1998 Apr 09
20
Philips Semiconductors
Product specification
Multimedia bridge, high performance
Scaler and PCI circuit (SPCI)
SAA7146A
Table 1
Configuration space registers
ADDRESS
(HEX)
NAME
BIT
TYPE
DESCRIPTION
00
Device ID
Vendor ID
Status Register
31 to 16
15 to 0
31
29
28
26 and 25
24
23
9
6
2
1
31 to 8
7 to 0
15 to 8
RO 7146H
RO 1131H
RO 01
RO 1
RW
RW
RW
RW
RO 048000H
RO 01H
RW
SAA7146A
Philips
detected parity error
received master abort
received target abort
DEVSEL# timing medium
data parity error detected
fast back-to-back capable
fast back-to-back enable
parity error response
bus master enable
memory space
other multimedia device
reading these 8 bits returns 01H
this register specifies, in units of PCI-bus clocks, the
value of the latency timer for this PCI-bus master
this value must be added to the register offset to claim
access to the programming registers; the lower 8 bits
are forced to zero
this value will be loaded after a PCI reset from external
hardware using the I
2
C-bus; the default value is 0000H
this value will be loaded after a PCI reset from external
hardware using the I
2
C-bus; the default value is 0000H
this value will be loaded after a PCI reset from external
hardware using the I
2
C-bus; the default value is 26H
this value will be loaded after a PCI reset from external
hardware using the I
2
C-bus; the default value is 0FH
The interrupt pin register tells which interrupt pin the
device uses. This device uses interrupt pin INTA#.
When these bits are read they return 01H.
the interrupt line register tells which input of the system
interrupt controller the device’s interrupt pin is
connected to
04
Command
Register
08
Class Code
Revision ID
Latency
0C
10
Base Address
Register
31 to 9
8 to 0
RW
RO
2C
Subsystem ID
31 to 16
RO
Subsystem
vendor ID
Max_Lat
15 to 0
RO
3C
31 to 24
RO
Min_Gnt
23 to 16
RO
Interrupt Pin
15 to 8
RO 01H
Interrupt Line
7 to 0
RW
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