參數(shù)資料
型號(hào): MC68HC05BS8FB
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.2 MHz, MICROCONTROLLER, PQFP44
封裝: QFP-44
文件頁數(shù): 19/128頁
文件大?。?/td> 752K
代理商: MC68HC05BS8FB
MC68HC05BS8
MOTOROLA
13-5
ELECTRICAL SPECIFICATIONS
13
13.6
M-Bus Timing
Table 13-3 M-Bus Interface Input Signal Timing
(VDD=5.0Vdc ±10%, VSS=0Vdc, temperature range=0 to 70°C)
PARAMETER
SYMBOL
MINIMUM
MAXIMUM
UNIT
START condition hold time
tHD.STA
2—
tCYC
Clock low period
tLOW
4.7
tCYC
Clock high period
tHIGH
4—
tCYC
Data set-up time
tSU.DAT
250
ns
Data hold time
tHD.DAT
0—
tCYC
START condition set-up time
(for repeated START condition only)
tSU.STA
2—
tCYC
STOP condition set-up time
tSU.STO
2—
tCYC
Table 13-4 M-Bus Interface Output Signal Timing
(VDD=5.0Vdc ±10%, VSS=0Vdc, temperature range=0 to 70°C)
PARAMETER
SYMBOL
MINIMUM
MAXIMUM
UNIT
START condition hold time
tHD.STA
8—
tCYC
Clock low period
tLOW
11
tCYC
Clock high period
tHIGH
11
tCYC
SDA/SCL rise time (see note 1)
tR
—1
s
SDA/SCL fall time (see note 1)
tF
300
ns
Data set-up time
tSU.DAT
tLOW – tCYC
—ns
Data hold time
tHD.DAT
0—
tCYC
START condition set-up time
(for repeated START condition only)
tSU.STA
10
tCYC
STOP condition set-up time
tSU.STO
10
tCYC
Note:
1. With 200pF loading on the SDA/SCL pins
Figure 13-2 M-Bus Timing
SDA
SCL
tHIGH
tHD.STA
tLOW
tSU.DAT
tHD.DAT
tSU.STA
tSU.STO
tR
tF
TPG
113
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