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AMIS-30622 Datasheet, PDF (6/35 Pages) AMI SEMICONDUCTOR – I2C Microstepping Motordriver
AMIS-30622 I2C Microstepping Motordriver
Data Sheet
6.0 AC Parameters
The AC parameters are given for Vbb and temperature in their operating ranges.
Symbol
Pin(s)
Power-up
Tpu
Internal Oscillator
fosc
I2C Transceiver
fSCL
tHD;STA
tLOW
Parameter
Power-up time
Frequency of internal oscillator
SCL clock frequency
Hold time (repeated) START
condition. After this period,
the first clock pulse is generated.
LOW period of the SCK clock
tHIGH
HIGH period of the SCK clock
tSU;STA
Set-up time for a repeated
START condition
tSU;DAT
Data set-up time
tr
SDA
Rise time of both SDA and
SCK
SCK signals (1)
tf
Fall time of both SDA and
SCK signals (1)
tSU;STO
Set-up time for STOP condition
tBUF
Bus free time between a STOP
and START condition
tSP
Pulse width of spikes which must
be suppressed by the input filter
Cb
Capacitive load for each bus line
Ci
Capacitance for each I/O pin
Switch Input and Hardwire Address Input
Tsw
Tsw_on
SWI
Scan pulse period (2)
HW
Scan pulse duration
Motordriver
fpwm
Tbrise
Tbfall
MOTxx
PWM frequency (2)
Turn-on transient time
Turn-off transient time
Charge Pump
fCP
CPN
CPP
Charge pump frequency (2)
Test Conditions
fSCL ≤ 100kHz
fSCL ≤ 360kHz
fSCL ≤ 100kHz
fSCL ≤ 360kHz
fSCL ≤ 100kHz
fSCL ≤ 360kHz
fSCL ≤ 100kHz
fSCL ≤ 360kHz
fSCL ≤ 100kHz
fSCL ≤ 360kHz
fSCL ≤ 100kHz
fSCL ≤ 360kHz
fSCL ≤ 100kHz
fSCL ≤ 360kHz
fSCL ≤ 100kHz
fSCL ≤ 360kHz
fSCL ≤ 100kHz
fSCL ≤ 360kHz
fSCL ≤ 100kHz
fSCL ≤ 360kHz
Between 10% and 90%
Notes
(1) Cb = total capacitance of one bus line in pF.
(2) Derived from the internal oscillator.
Min Typ
3.6
4.0
0
0
4.0
0.6
4.7
1.3
4.0
0.6
4.7
0.6
250
100
20+0.1Cb
20+0.1Cb
4.0
0.6
4.7
1.3
50
1024
1/16
18
20
350
250
250
Max
10
4.4
100
360
1000
300
300
300
400
10
22
Unit
ms
MHz
kHz
kHz
µs
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns
ns
ns
ns
µs
µs
µs
µs
ns
pF
pF
µs
Tsw
kHz
ns
ns
kHz
AMI Semiconductor - Rev. 2.3
www.amis.com
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