參數(shù)資料
型號: MC68HC681P
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 2 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PDIP40
封裝: PLASTIC, DIP-40
文件頁數(shù): 75/88頁
文件大小: 461K
代理商: MC68HC681P
MC68HC2681
A-8
MC68HC681 USER’S MANUAL
MOTOROLA
A
A.4.12.2 RESET TIMING
.
Figure A-3. RESET Timing
A.4.12.3 BUS TIMING
.
Figure A-4. Bus Timing
CHARACTERISTIC
SYMBOL
MIN
MAX
UNIT
RESET Pulse Width
tRES
1.0
CHARACTERISTIC
SYMBOL
MIN
MAX
UNIT
RS1-RS4 Setup to R+CS, W+CS Asserted
tRSS
10
ns
RS1-RS4 Hold After R+CS, W+CS Negated
tRSH
0—
ns
Bus Cycle (R+CS, W+CS) Width
tRW
205
ns
Inactive Time Between Bus Cycles
tRWD
200
ns
Read Access Time from R+CS Asserted
tRD
175
ns
Read Data Valid After R+CS Negated
tD
0-
ns
Data Tri-State After R+CS Negated
tDZ
—25
ns
Write Data Setup to W+CS Negated
tWDS
100
ns
Write Data Hold After W+CS Negated
tWDH
10
ns
RS1-RS4 Setup to R+CS, W+CS Asserted
tRSS
10
ns
RS1-RS4 Hold After R+CS, W+CS Negated
tRSH
0—
ns
RESET
t RES
RS1
-
RS4
CS
R
W
D0-D7
(READ)
D0-D7
(WRITE)
tRSS
tRSH
tRW
tRD
tDZ
tD
tWDS
tWDH
tRWD
VALID
相關(guān)PDF資料
PDF描述
MC68HC58FN 1 CHANNEL(S), LOCAL AREA NETWORK CONTROLLER, PQCC28
MC68HC58DW 1 CHANNEL(S), LOCAL AREA NETWORK CONTROLLER, PDSO28
MC68HC68T1P 1 TIMER(S), REAL TIME CLOCK, PDIP16
MC68HC705B16NVFNR2 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PQCC52
MC68HC705B16NCFNR2 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PQCC52
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68HC68T1P 制造商:Motorola Inc 功能描述:
MC68HC705B16CFN 制造商:Motorola Inc 功能描述:
MC68HC705B16FN 制造商:Rochester Electronics LLC 功能描述:
MC68HC705B16NB 制造商:Rochester Electronics LLC 功能描述:
MC68HC705B16NCB 制造商:Rochester Electronics LLC 功能描述: