參數(shù)資料
型號(hào): SAA7893HL
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: Super audio media player
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP128
封裝: 14 X 20 MM, 1.40 MM HEIGTH, PLASTIC, SOT-425-1, LQFP-128
文件頁數(shù): 15/66頁
文件大?。?/td> 1036K
代理商: SAA7893HL
Philips Semiconductors
SAA7893HL
Super audio media player
Product data
Rev. 02 — 26 February 2003
15 of 66
9397 750 10925
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
The internal SAA7893HL address is differently composed in the different modes.
8.2 SAD16_01/02 mode
Reading and writing is always done on 16 bits (Hword) base. To save physical pins on
the SAA7893HL, the data bus is used to write the 16 MSB address bits, hereafter
called ‘the base address’ into the SAA7893HL. Therefore, to access an address
inside the SAA7893HL first these 16 MSB bits of the address must be written as a
base address for the SAA7893HL indicated by the H_A_sel line. Pin H_A_sel can be
mapped to a physical address pin of the host device.
H_DQ[11:8]
H_DQ[12]
H_DQ[13]
H_DQ[14]
H_DQ[15]
H_IRQn
H_procclock
sys_clk
H_RWn
H_WAITn
H_CSn
H_sel[0]
H_sel[1]
I/O
I/O
I/O
I/O
I/O
O
IN
IN
IN
O
IN
IN
IN
CPU_D(11:8)
CPU_D(12)
CPU_D(13)
CPU_D(14)
CPU_D(15)
IRQN
CPU_procclk
n.c.; sysclk
CPU_RWn
CPU_wait
CPU_CSn
0
logic 0: mode 1;
logic 1: mode 2
A(10:7)
n.c.
ASn
DSn
A(0)
IRQn
logic 0
PCI-clk
R/Wn
DSACKn
CS
logic 1
logic 0
AD(1512)
AD(16)
AD(17)
AD(18)
AD(19)
IRQN
logic 0
Sclk
RD_
ACK
XIO
logic 1
logic 1
data(11:8)
data(12)
data(13)
data(14)
data(15)
IRQN
logic 1
sys_clk
RD_
HDTACKn
CSn
logic 1
logic 1
LD(11:8)
LD(12)
LD(13)
LD(14)
LD(15)
IRQN
logic 1
sys_clk
RD_
n.c.
CSn
logic 1
logic 0
Table 7:
SAA7893HL name
Host communication data mapping
…continued
Type
SAD16_01;
SAD16_02
SAD08
MAD16_01
MAD16_02
SAD16_03
Fig 8.
Write to or read from the SAA7893HL.
A(6:1)
D(15:0)
indication of an access to
the base address
write base address
Fur_base = A(22:7)
write/read on SAA7893HL address
locations Fur_A[22:1] = Fur_base&A(6:1)
A(22:7)
H_CSn
H_RWn
H_A_sel
H_A[6:1]
H_DQ[15:0]
MCE038
D(15:0)
A(6:1)
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