參數(shù)資料
型號(hào): UPD30181AYF1-131-GA3-A
廠商: NEC Corp.
英文描述: 64-/32-BIT MICROPROCESSOR
中文描述: 64-/32-BIT微處理器
文件頁數(shù): 53/72頁
文件大?。?/td> 447K
代理商: UPD30181AYF1-131-GA3-A
Data Sheet U16277EJ1V0DS
53
μ
PD30181A, 30181AY
(e) DMA transfer timing
Hi-Z
Hi-Z
t
EXS
t
EXH
t
DRQNEG
t
EXCL
t
TClock
+t
EXD
t
TClock
+t
EXD
CSOFF
+t
EXD
CONWID+t
EXD
CONSET+t
EXD
BUSIDLE
+t
EXD
t
EXD
t
EXD
t
EXD
t
EXZ
t
EXD
A(24:0), UBE#
(output)
ROMCS#, PCS(4:0)#
(output)
IORD#, IOWR#,
MEMRD#, MEMWR#
(output)
SYSDIR
(output)
DRQn#
(input)
DAKn#
(output)
SYSEN#
(output)
D(31:0)
(write)
D(31:0)
(read)
Note
Note
Input
Note
Output
Remarks 1.
CONSET, CONWID, CSOFF, and BUSIDLE are the timing parameters that can be changed by
setting registers of the EXIBU. Each timing parameter is defined as the number of LClock cycles.
2.
The circles indicate the sampling timing.
3.
n = 0, 1
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