PG001M Serial Signal Generator IC for SLA7042M and SLA7044M ■Absolute Maximum Ratings Parameter Supply voltage Input voltage Input current Output voltage Output current Power dissipation Operating temperature Storage temperature (Ta=25°C) Symbol VDD VI II VO IO PD T OP Tstg Ratings −0.5 to 7 −0.5 to VDD+0.5 ±10 −0.5 to VDD+0.5 ±15 200 −20 to +85 −40 to +150 Units V V mA V mA mW °C °C ■Electrical Characteristics DC characteristics Parameter Symbol Supply voltage Supply current Conditions V DD IDD VOH VOL II VIH VIL VH CI F T CS Output voltage Input current Input voltage Input hysteresis voltage Input capacity Internal oscillation frequency Propagation delay time AC characteristics (Ta=25°C) tps min 4.5 V DD=5.5V max 5.5 0.45 0.35 4.5 V DD=5V, IO =±3mA 3.5 0.4 ±1 5 −0.3 1.5 V DD=5V, VI=0 or 5V VDD=5V VDD=5V VDD=5V 1 5 1.5 50 VDD=5V See Fig. 1. TCC Tr Tf V CIH VCIL tsR tpsR tsS Output voltage Rise and fall time CLOCK IN terminal Input clock time Reset setting time (A) Stabilization time after reset (B) Signal setting time (C) Stabilization time after signal input (D) Ratings typ V DD=5V, CL=15pF See Fig. 2. H level time, VDD=5V L level time, VDD=5V Inter-clock See Fig. 3. Inter-clock See Fig. 3. S 100 550 ns 100 ns CLOCK_OUT DATA 10% STROBE TCC Tr TCS Tf Fig. 3 Timing conditions Excitation switching point B A RESET MO D MS1 MS2 C CW/CCW VC C D C D C D VC switching occurs only while CLOCK-IN level is L. 48 PG001M ns 100 90% CLOCK_IN V µs CLOCK_OUT DATA STROBE 1/F µA 4.5 0.5 CLOCK_IN 1/F V ns Fig.2 Fig. 1 V mA V pF MHz 10 430 20 20 Units Serial Signal Generator IC for SLA7042M and SLA7044M PG001M ■Internal Block Diagram VDD 16 ... Input ... Output MS1 6 MS1 7 (A) Excitation mode setting section Number inside shape indicates pin number. SET 2h VC 15 MO 9 a (B) Parallel signal generator 14 CLOCK_OUT b (C) Parallel-serial signal converter c 11 DATA_A 10 DATA_B 13 STROBE Phase Q1 Q2 Q3 Q4 CLOCK_IN 2 CW/CCW 3 RESET 1 (E) Oscillator (D) Up/Down counter 5 CP1 8 GND 4 CP2 12 NC Fix all open input pins to H or L (Apart from CP1, CP2 and NC pins) ■Diagram of Standard External Circuit 5V 16 1 2 MPU 3 6 7 15 9 VDD RESET CLOCK _OUT CLOCK_IN CW/CCW MS1 MS2 P G 0 0 1 M 14 CLOCK_A CLOCK_B STROBE 13 STROBE_A STROBE_B DATA_A VC DATA_B 11 10 SLA7042M SLA7044M DATA_A DATA_B MO NC 12 GND CP1 CP2 8 5 4 Rs NC NC Rs NC PG001M 49 Serial Signal Generator IC for SLA7042M and SLA7044M PG001M ■External Dimensions (Unit: mm) 19.2 20.0max 9 6.3 6.65max 16 Lot No. Part No. 0.89 8 7.62 0.51min 1.3 2.54min 5.08max 1 +0.11 2.54±0.25 0.25 −0.05 0.48±0.10 0 to 15°C ■Output Mode Vs Output Pulse Output pulse Output pulse OUT excitation Phase STROBE 0 1 Output mode 2 3 4 5 6 7 50 PG001M b OUT excitation c Phase 0 CLOCK _OUT 0 0 STROBE 0 0 0 0 1 0 2 0 0 0 0 0 0 Output mode CLOCK _OUT a 3 4 5 6 7 0 0 0 0 0 0 a b c Serial Signal Generator IC for SLA7042M and SLA7044M PG001M ■Input and Output Function Correlation Table Input Mode CLOCK _IN × : Don't care Output CW /CCW RESET L H MO CLOCK STROBE _OUT DATA -A DATA -B CW CW H H H H H × L × L is H level when output mode is 4:4 (7:7), 4:4 (7:7), 4:4 (7:7),or 4:4 (7:7). CW L ∗ : MO outputs L level while CLOCK_IN Modes in brackets ( ) are for 2-2 phase VC: H. CCW CCW CCW Output Mode Input Mode 4 or 7 4 or 7 Output Output Mode Mode RESET ■Excitation Selection Table Input Output current mode of SLA7042M/7044M Excitation method Excitation mode selection VC MS1 MS2 0 1 2 3 5 6 7 Torque vector 0% 20% 40% 55.5% 71.4% 83% 91% 100% H L L − − − − L L L − − − 1-2 Phase Half Step × H L − − W1-2 Phase 1/4 Step × L H − 2W1-2 Phase 1/8 Step × H H 2-2 Phase Full Step 4 − − − − − − − − − − − 141% − 100% 100% 100% 100% ■Output Mode Sequence Excitation method 2-2 Phase Full Step (1) (VC: H) 2-2 Phase Full Step (2) (VC: L) CW/CCW CW CCW CW CCW CW 1-2 Phase Half Step CCW CW W1-2 Phase 1/4 Step CCW 2W1-2 Phase 1/8 Step CW CCW CLOCK RESET 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 MO L H H H H H H H L H H H H H H H L H H H H H H H L H H H H H H H L DATA_A 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7 DATA_B 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7 DATA_A 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7 DATA_B 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7 DATA_A 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4 DATA_B 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4 DATA_A 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4 DATA_B 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4 DATA_A 4 = = = 0 = = = 4 = = = 7 = = = 4 = = = 0 = = = 4 = = = 7 = = = 4 DATA_B 4 = = = 7 = = = 4 = = = 0 = = = 4 = = = 7 = = = 4 = = = 0 = = = 4 DATA_A 4 = = = 7 = = = 4 = = = 0 = = = 4 = = = 7 = = = 4 = = = 0 = = = 4 DATA_B 4 = = = 0 = = = 4 = = = 7 = = = 4 = = = 0 = = = 4 = = = 7 = = = 4 DATA_A 4 = 2 = 0 = 2 = 4 = 6 = 7 = 6 = 4 = 2 = 0 = 2 = 4 = 6 = 7 = 6 = 4 DATA_B 4 = 6 = 7 = 6 = 4 = 2 = 0 = 2 = 4 = 6 = 7 = 6 = 4 = 2 = 0 = 2 = 4 DATA_A 4 = 6 = 7 = 6 = 4 = 2 = 0 = 2 = 4 = 6 = 7 = 6 = 4 = 2 = 0 = 2 = 4 DATA_B 4 = 2 = 0 = 2 = 4 = 6 = 7 = 6 = 4 = 2 = 0 = 2 = 4 = 6 = 7 = 6 = 4 DATA_A 4 3 2 1 0 1 2 3 4 5 6 7 7 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 7 7 6 5 4 DATA_B 4 5 6 7 7 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 7 7 6 5 4 3 2 1 0 1 2 3 4 DATA_A 4 5 6 7 7 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 7 7 6 5 4 3 2 1 0 1 2 3 4 DATA_B 4 3 2 1 0 1 2 3 4 5 6 7 7 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 7 7 6 5 4 = : No output PG001M 51 Serial Signal Generator IC for SLA7042M and SLA7044M PG001M ■Output Timing Chart (CW) … Excitation Current of SLA7042M/7044M RESET CLOCK_IN MO 7 7 7 A 2-2 Phase Full Step (VC: H) 7 7 7 7 7 B 7 7 MO 7 4 4 4 0 A 0 4 1-2 Phase Half Step 4 7 7 4 4 4 0 B 0 4 4 7 MO 4 2 0 A 7 6 4 2 2 2 4 6 4 6 6 7 7 6 4 4 4 2 0 2 2 4 4 6 6 7 MO 3 2 A 1 0 0 1 2 2W1-2 Phase 1/8 Step 4 2 0 B B 4 0 W1-2 Phase 1/4 Step 4 6 5 6 7 7 3 4 5 7 6 5 4 3 6 2 6 7 7 5 4 3 2 1 2 3 4 5 6 7 7 6 5 4 3 4 3 1 7 0 1 0 7 1 2 3 4 5 6 6 7 7 5 4 3 2 1 2 5 1 7 For 2-2 phase VC : L, output mode is 7→4. 52 PG001M Serial Signal Generator IC for SLA7042M and SLA7044M PG001M ■Output Timing Chart (CCW) … Excitation Current of SLA7042M/7044M RESET CLOCK_IN MO 7 7 7 A 2-2 Phase Full Step (VC: H) 7 7 7 7 7 B 7 7 MO 7 4 4 4 0 A 0 4 1-2 Phase Half Step 4 7 7 4 4 4 0 B 0 4 4 7 MO 7 6 4 6 4 4 2 2 2 4 W1-2 Phase 1/4 Step 4 6 6 7 7 4 0 B 2 4 4 6 4 6 7 7 6 7 7 6 5 4 3 2 A 1 0 1 2W1-2 Phase 1/8 Step 4 B 3 2 4 2 3 4 5 6 7 1 6 7 0 0 2 0 2 5 6 6 4 2 MO 2 0 0 A 1 2 3 4 5 6 6 7 7 5 4 3 2 5 4 3 2 1 2 3 5 6 1 7 7 2 4 5 1 7 4 0 3 7 6 5 4 3 1 7 For 2-2 phase VC:L, output mode is 7→4. PG001M 53