參數(shù)資料
型號: MB91V301A
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 68 MHz, RISC MICROCONTROLLER, CPGA179
封裝: CERAMIC, PGA-179
文件頁數(shù): 124/140頁
文件大小: 2841K
代理商: MB91V301A
MB91301 Series
84
DS07-16502-4E
Block Diagram
Read
Write
DDNO
BLK register
DDNO register
DTCR
DSS [3:0]
ERIR, EDIR
TYPE, MOD, WS
IRQ
[4:0]
MCLREQ
X-bus
DADM, DASZ [7:0] DADR
SDAM, SASZ [7:0] SADR
DMA transfer
request to bus
controller
Read/write
control
To
b
u
s
cont
ro
ller
Bu
s
cont
ro
lblo
c
k
Access
ad-
dress
A
d
dress
counter
Co
unt
e
rbu
ff
er
Coun
te
rbu
ff
er
Selector
Write back
Selector
Buffer
Counter
Selector
Writ
e
back
DTC two-stage register
Buffer
Counter
Selector
DMA
start trigger
selection
circuit & request
acknowledge
control
Priority
circuit
Status
transition
circuit
DMA control
DSAD two-stage register
DDAD
two-stage register
Bus
co
nt
ro
lblock
Peripheral start request/
Stop input
External pin start
request/Stop input
To interrupt controller
Clear peripheral interrupt
5-channel DMAC block diagram
Write back
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