ADUC7025BCPZ32-RL7 AD [Analog Devices], ADUC7025BCPZ32-RL7 Datasheet - Page 11

• Manufacturer Part Number: ADUC7025BCPZ32-RL7
• Description: Precision Analog Microcontroller 12-bit Analog I/O, ARM7TDMI MCU
• Manufacturer: AD [Analog Devices]

Table 4. I
Parameter
t
t
t
t
t
t
t
t
t
t
t
1
L
H
SHD
DSU
DHD
RSU
PSU
BUF
R
F
SUP
t
HCLK
depends on the clock divider or CD bits in PLLCON MMR. t
SDATA (I/O)
2
SCLK (I)
C Timing in Fast Mode (400 kHz)
t
PSU
Description
SCLOCK low pulse width
SCLOCK high pulse width
Start condition hold time
Data setup time
Data hold time
Setup time for repeated start
Stop condition setup time
Bus-free time between a stop condition and a start condition
Rise time for both CLOCK and SDATA
Fall time for both CLOCK and SDATA
Pulse width of spike suppressed
CONDITION
STOP
PS
t
BUF
CONDITION
START
t
DSU
1
t
SHD
1
MSB
1
Figure 5. I
HCLK
t
= t
DHD
UCLK
2–7
2
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C Compatible Interface Timing
CD
.
t
t
H
L
LSB
8
t
SUP
t
DSU
ADuC7019/20/21/22/24/25/26/27
t
SUP
ACK
9
t
RSU
t
Min
200
100
300
100
50
100
100
1.3
100
60
DHD
REPEATED
START
Slave
S(R)
Max
300
100
50
t
Master Typ
1360
1140
251350
740
400
12.51350
400
200
20
F
MSB
t
F
1
t
R
t
R
Unit
ns
ns
ns
ns
ns
ns
ns
μs
ns
ns
ns