參數(shù)資料
型號(hào)： EC000UM
英文描述： EC000 Core User＇s Manual (SCM68000)
中文描述： EC000核心用戶(hù)手冊(cè)（SCM68000）
文件頁(yè)數(shù)： 99/145頁(yè)
文件大小： 829K
代理商： EC000UM
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)第21頁(yè)第22頁(yè)第23頁(yè)第24頁(yè)第25頁(yè)第26頁(yè)第27頁(yè)第28頁(yè)第29頁(yè)第30頁(yè)第31頁(yè)第32頁(yè)第33頁(yè)第34頁(yè)第35頁(yè)第36頁(yè)第37頁(yè)第38頁(yè)第39頁(yè)第40頁(yè)第41頁(yè)第42頁(yè)第43頁(yè)第44頁(yè)第45頁(yè)第46頁(yè)第47頁(yè)第48頁(yè)第49頁(yè)第50頁(yè)第51頁(yè)第52頁(yè)第53頁(yè)第54頁(yè)第55頁(yè)第56頁(yè)第57頁(yè)第58頁(yè)第59頁(yè)第60頁(yè)第61頁(yè)第62頁(yè)第63頁(yè)第64頁(yè)第65頁(yè)第66頁(yè)第67頁(yè)第68頁(yè)第69頁(yè)第70頁(yè)第71頁(yè)第72頁(yè)第73頁(yè)第74頁(yè)第75頁(yè)第76頁(yè)第77頁(yè)第78頁(yè)第79頁(yè)第80頁(yè)第81頁(yè)第82頁(yè)第83頁(yè)第84頁(yè)第85頁(yè)第86頁(yè)第87頁(yè)第88頁(yè)第89頁(yè)第90頁(yè)第91頁(yè)第92頁(yè)第93頁(yè)第94頁(yè)第95頁(yè)第96頁(yè)第97頁(yè)第98頁(yè)當(dāng)前第99頁(yè)第100頁(yè)第101頁(yè)第102頁(yè)第103頁(yè)第104頁(yè)第105頁(yè)第106頁(yè)第107頁(yè)第108頁(yè)第109頁(yè)第110頁(yè)第111頁(yè)第112頁(yè)第113頁(yè)第114頁(yè)第115頁(yè)第116頁(yè)第117頁(yè)第118頁(yè)第119頁(yè)第120頁(yè)第121頁(yè)第122頁(yè)第123頁(yè)第124頁(yè)第125頁(yè)第126頁(yè)第127頁(yè)第128頁(yè)第129頁(yè)第130頁(yè)第131頁(yè)第132頁(yè)第133頁(yè)第134頁(yè)第135頁(yè)第136頁(yè)第137頁(yè)第138頁(yè)第139頁(yè)第140頁(yè)第141頁(yè)第142頁(yè)第143頁(yè)第144頁(yè)第145頁(yè)
Bus Operation
3-16
EC000 CORE PROCESSOR USER’S MANUAL
MOTOROLA
the SCM68000 inserts wait states (full clock cycles) until either DTACKB or BERRB is as-
serted. Also, on the rising edge of S16, the SCM68000 asserts UDSB or LDSB, and DSB.
CASE WRITE 1: DTACKB is received alone or with BERRB (see 3.4 Bus Error and Halt
STATE 17
During state 17 (S17), no bus signals are altered.
STATE 18
During state 18 (S18), no bus signals are altered.
STATE 19
On the falling edge of the clock entering state 19 (S19), the SCM68000 negates ASB,
UDSB or LDSB, and DSB. As the clock rises at the end of S19, the SCM68000 places the
data bus in the high-impedance state and drives RWB and ERWB to a logic high. The de-
vice negates DTACKB or BERRB at this time.
CASE READ 2: DTACKB and BERRB are received (see 3.4 Bus Error and Halt Opera-
STATE 5
During state 5 (S5), no bus signals are altered.
STATE 6
During state 6 (S6), no bus signals are altered and data from the device is ignored.
STATE 7
During state 7 (S7), UDSB or LDSB, and DSB are negated.
STATES 8–10
The bus signals are unaltered during state 8 (S8) through state 10 (S10).
STATE 11
During state 11 (S11), ASB, is negated. The cycle terminates without the write portion of
the cycle.
CASE READ 3: Only BERRB is received (see 3.4 Bus Error and Halt Operation).
STATES 5–8
The bus signals are unaltered during state 5 (S5) through state 8 (S8).
STATE 9
During state 9 (S9), UDSB or LDSB, and DSB are negated.
STATE 10
During state 10 (S10), no bus signals are altered.
F
re
e
sc
a
le
S
e
m
ic
o
n
d
u
c
to
r,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
c
..
.
相關(guān)PDF資料
PDF描述
EC103B Sensitive SCRs
EC103B1 Sensitive SCRs
EC103B2 Sensitive SCRs
EC103B3 Sensitive SCRs
EC103D175 Thyristor Product Catalog
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EC0010-000 制造商:TE Connectivity 功能描述:EC0010-000
EC001031 制造商:PHOENIX 制造商全稱(chēng):PHOENIX CONTACT 功能描述:Header, Nominal current: 12 A, Rated voltage (III/2): 320 V, Assembly: Soldering
EC001121 制造商:PHOENIX 制造商全稱(chēng):PHOENIX CONTACT 功能描述:Plug component, Nominal current: 12 A, Rated voltage (III/2): 320 V, Number of positions: 4, Pitch: 5mm, Connection method: Screw connection, Color: Black, Contact surface: Tin
EC001283 制造商:PHOENIX 制造商全稱(chēng):PHOENIX CONTACT 功能描述:Plug component, Nominal current: 12 A, Rated voltage (III/2): 320 V, Number of positions: 7, Pitch: 5.08 mm, Connection method: Solder/Slip-on connection, Color: green, Contact surface: Tin, Assembly: Direct mounting
EC0013-000 制造商:TE Connectivity 功能描述:EC0013-000
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*