参数资料
型号: MB86832-66PFV-G
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 66 MHz, RISC PROCESSOR, PQFP176
封装: 24 X 24 MM, 0.50 MM PITCH, EIAJ, PLASTIC, SQFP-176
文件页数: 20/54页
文件大小: 269K
代理商: MB86832-66PFV-G
MB86832
Fujitsu Microelectronics, Inc.
27
Table 12. MB86832 Memory Mapped Control Registers—Read/Write (continued)
12
13
14
15
16
17
18
19
20
21
22
23
24
ASI
ADDRESS
0x 1
0x 0000 016C
Bus Width and Cacheable
31
reserved
Cacheable (0= cacheable, 1=noncacheable)
Internal /External cacheable (0=NONCACHE_ pin, 1=internal)
CS5 CS4 CS3 CS2 CS1 CS0
0
1
2
3
4
5
6
7
8
9
10
11
CS5 CS4 CS3 CS2 CS1
RSVD
Bus Width Control (bit3 = BW0, bit2 = BW1)
{
ASI
ADDRESS
0x 1
0x 0000 0178
DRAM Refresh Timer
Pre-Load
0
31
16 15
reserved
Timer Pre-Load Value
(RST=Undened)
Ancillary Version Register (V E R 2) [Read Only]
31
0
0000000001
bit31-16 :
Reserved [Read undened]
bit15-0
:
MB86831 Version Number (Value=1)
16
15
Reserved
Sleep Mode Register (S L P M D) [Write Only]
31
0
bit31-1
:
Reserved
bit0
:
Sleep Mode (On=1, Off=0, RST=0)
1
Reserved
30
bit31
:
3Cycle Mode (On-1, Off=0, RST=0)
bit15-0
:
Timer Pre-load Value (RST=0xffff)
bit30-16 :
Reserved [“0” write, read undened]
0x 1
0x 0000 0174
0
31
16 15
reserved
Timer Value
(RST=Undened)
bit31-16 :
Reserved [“0” write, read undened]
bit15-0
:
Timer Value (RST=undened)
ASI
ADDRESS
DRAM Refresh Timer
ASI=0x01, Address=0x00020000
ASI=0x01, Address=0x00020004
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