Samsung SCX-1150F Repair Manual page 19

CIRCUIT DESCRIPTION
3-3-2-9 SYNCHRONOUS SERIAL INTERFACE part
As the part interfacing with THUNDERBOLT ASIC, it con-
sists of /TBCS,TBCLK,TBDO. In sending SERIAL DATA
of 13 BIT to Thunderbolt ASIC, meaning of each bit is as
follows. BIT 1 is the bit to do On/Off VPH(+11.82V), BIT
[2:7] is the bit for driving MOTOR 1, BIT [8:13] is the bit to
drive MOTOR 2. MOTORs are available for being used as
STEPPER MOTOR and DC MOTOR respectively.
Tcs-sclk
/ TBCS
TBCLK
TBDO
Repair Manual
3-16
STEPPER MOTOR
BIT 1 VPH_ENABLE
BIT 2 MOTOR1_CURR_I1_PHASEB
BIT 3 MOTOR1_CURR_I0_PHASEB
BIT 4 MOTOR1_DIR_PH_B
BIT 5 MOTOR1_CURR_I1_PHASEA
BIT 6 MOTOR1_CURR_I0_PHASEA
BIT 7 MOTOR1_DIR_PH_A
BIT 8 MOTOR2_CURR_I1_PHASEB
BIT 9 MOTOR2_CURR_I0_PHASEB
BIT 10 MOTOR2_DIR_PH_B
BIT 11 MOTOR2_CURR_I1_PHASEA
BIT 12 MOTOR2_CURR_I0_PHASEA
BIT 13 MOTOR2_DIR_PH_A
Tdsu
bit 1 bit 2 bit 3 bit 4 bit 5 bit 6
LSB
< Figure 12 SYNCHRONOUS SERIAL INTERFACE TIMING DIAGRAM >
3-3-2-10 MOTOR control part
(DIR, PWM, LFPHA,LFPHB, LFIA[0:1],
LFIB[0:1])
S3C46MOX(Jupiter3) is arranged to support one Step
motor and one DC motor. This system does not use the
Motor control part provided by S3C46MOX(Jupiter3).
DC MOTOR
VPH_ENABLE
Not used in this mode.
Not used in this mode.
Not used in this mode.
Not used in this mode.
Not used in this mode.
MOTOR1_DIRECTION
Not used in this mode.
Not used in this mode.
Not used in this mode.
Not used in this mode.
Not used in this mode.
MOTOR2_DIRECTION
Data Latcked on the rising edge of SCLK
Tdhd
bit 7 bit 8 bit 9 bit 10 bit 11 bit 12 bit 13
time
Tcs-sclk
SDI stays at
last value
MSB
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