参数资料
型号: TSC8051C1XXX-12IDD
元件分类: 8位微控制器
英文描述: 8-Bit Microcontroller for Digital Computer Monitors
中文描述: 8位数字的电脑显示器微控制器
文件页数: 20/31页
文件大小: 321K
代理商: TSC8051C1XXX-12IDD
TSC8051C1
Rev. D (14 Jan. 97)
27
MATRA MHS
8.10. Shift Register Timing Waveforms
VALID
INPUT DATA
VALID
0
1
23
45
6
8
7
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
CLEAR RI
TXLXL
TQVXH
TXHQX
TXHDV
TXHDX
SET TI
SET RI
INSTRUCTION
0
1
2
345
67
VALID
8.11. SIO1 (I2C) Interface Timing
Symbol
Parameter
Input
Output
THD; STA
Start condition hold time
≥ 14 TCLCL
> 4.0
s (1)
TLOW
SCL low time
≥ 16 TCLCL
> 4.7
s (1)
THIGH
SCL high time
≥ 14 TCLCL
> 4.0
s (1)
TRC
SCL rise time
≤ 1s
(2)
TFC
SCL fall time
≤ 0.3s
< 0.3
s (3)
TSU; DAT1
Data set–up time
≥ 250ns
> 20 TCLCL – TRD
TSU; DAT2
SDA set–up time (before repeated START condition)
≥ 250ns
> 1
s (1)
TSU; DAT3
SDA set–up time (before STOP condition)
≥ 250ns
> 8 TCLCL
THD; DAT
Data hold time
≥ 0ns
> 8 TCLCL – TFC
TSU; STA
Repeated START set–up time
≥ 14 TCLCL
> 4.7
s (1)
TSU; STO
STOP condition set–up time
≥ 14 TCLCL
> 4.0
s (1)
TBUF
Bus free time
≥ 14 TCLCL
> 4.7
s (1)
TRD
SDA rise time
≤ 1s
(2)
TFD
SDA fall time
≤ 0.3s
< 0.3
s (3)
Notes:
1. At 100 kbit/s. At other bit–rates this value is inversely proportional
to the bit–rate of 100 kbit/s.
2. Determined by the external bus–line capacitance and the external
bus–line pull–up resistor, this must be < 1
s.
3. Spikes on the SDA and SCL lines with a duration of less than 3
TCLCL will be filtered out. Maximum capacitance on bus–lines
SDA and SCL = 400pF.
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