參數(shù)資料
型號(hào)： MC34920
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述： 2.8 Ohm(Typ) Quad H-Bridge Motor Driver(2.8歐（典型值）四H橋電機(jī)驅(qū)動(dòng)器)
中文描述： 2.8歐姆（典型值）四H橋電機(jī)驅(qū)動(dòng)器（2.8歐（典型值）四魔橋電機(jī)驅(qū)動(dòng)器）
文件頁(yè)數(shù)： 16/28頁(yè)
文件大?。?/td> 813K
代理商： MC34920
34920
16
Go to: www.freescale.com
Serial Input Port Bit Definitions
Tables 4
through
7
define the bit definitions as they apply to
the 13 bits of input that are brought into the 34920 through the
serial input port. These signals are listed in bit order from LSB
(first bit to be shifted in) to MSB (last bit to be shifted in).
Table 4. Serial Input Port Definition for Step/Step Mode
Name
Bit
Reset
Value
Description
V2_Enable
1
1
Enable bit to turn on and off the V2 regulator and the motor drivers and place the 34920
in the minimum power consumption state.
SDR2_CURR_I1_PHASEB
2
1
Second of two inputs that control the current level in the SDR2 step motor Phase B
winding.
SDR2_CURR_I0_PHASEB
3
1
One of two inputs that control the current level in the SDR2 step motor Phase B
winding.
SDR2_DIR_PH_B
4
0
Controls the direction of the current flow through Phase B of the SDR2 step motor. A
logic [1] level causes conventional current flow from PH_B+ (source) to PH_B- (sink).
SDR2_CURR_I1_PHASEA
5
1
Second of two inputs that control the current level in the SDR2 step motor Phase A
winding.
SDR2_CURR_I0_PHASEA
6
1
One of two inputs that control the current level in the SDR2 step motor Phase A
winding.
SDR2_DIR_PH_A
7
0
Controls the direction of the current flow through Phase A of the SDR2 step motor. A
logic [1] level causes conventional current flow from PH_A+ (source) to PH_A- (sink).
SDR1_CURR_I1_PHASEB
8
1
Second of two inputs that control the current level in the SDR1 step motor Phase B
winding.
SDR1_CURR_I0_PHASEB
9
1
One of two inputs that control the current level in the SDR1 step motor Phase B
winding.
SDR1_DIR_PH_B
10
0
Controls the direction of the current flow through Phase B of the SDR1 step motor. A
logic [1] level causes conventional current flow from PH_B+ (source) to PH_B- (sink).
SDR1_CURR_I1_PHASEA
11
1
Second of two inputs that control the current level in the SDR1 step motor Phase A
winding.
SDR1_CURR_I0_PHASEA
12
1
One of two inputs that control the current level in the SDR1 step motor Phase A
winding.
SDR1_DIR_PH_A
13
0
Controls the direction of the current flow through Phase A of the SDR1 step motor. A
logic [1] level causes conventional current flow from PH_A+ (source) to PH_A- (sink).
F
Freescale Semiconductor, Inc.
For More Information On This Product,
n
.
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