參數(shù)資料
型號: MSM7630
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: Universal Speech Processor(通用語音處理器)
中文描述: 通用語音處理器(通用語音處理器)
文件頁數(shù): 44/89頁
文件大?。?/td> 430K
代理商: MSM7630
MSM7630
Semiconductor
44/89
3.4 SCR: Space Configuration Register
This register sets ROM space, SRAM space, and general device space.
31
18 17 16
AS
15 14
12
10
8
OS
7 6
4
D
S
3
0
bit
1
2
WT
SZ
20
21
23
24
25
26
13
9
5
X
S
D
P
C
ORW
O
D
O
C
0
AWW
ARW
A
C
A
D
bit[25] AC: SRAM Parity Check (read/write)
This bit sets parity checking of SRAM space. It will be "0" after reset.
AC = 0
AC = 1
Ignore parity checks.
Generate a bus error if a parity error is detected.
bit[24] AD: SRAM Dummy Cycle (read/write)
This bit sets whether or not SRAM space may be accessed continuously after ROM space or DRAM
space has been read.
AD = 0
AD = 1
Continuous access allowed.
Open an interval of at least one clock.
This bit will be "1" after reset.
bit[23:21] ARW: SRAM Read Wait (read/write)
These bits set the wait count when SRAM space is accessed by a read.
ARW = 000
ARW = 001
ARW = 010
ARW = 011
ARW = 100
ARW = 101
ARW = 110
ARW = 111
2
t
access (1 wait)
3
t
access (2 waits)
4
t
access (3 waits)
5
t
access (4 waits)
6
t
access (5 waits)
8
t
access (7 waits)
10
t
access (9 waits)
12
t
access (11 waits)
These bits will be "111" after reset.
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