∗∗∗∗∗∗∗∗∗∗ N-MOS PRINTER CONTROLLER – TOP VIEW –
27 P10 P11 P12 P13 P14 P15 P16 P17
UPD50HC-033 (1/2) IL11
T0 XTAL1 XT...
∗∗∗∗∗∗∗∗∗∗ N-MOS PRINTER CONTROLLER – TOP VIEW –
27 P10 P11 P12 P13 P14 P15 P16 P17
UPD50HC-033 (1/2) IL11
T0 XTAL1 XTAL2 RESET
IN IN IN IN
1 2 3 4
VDD (+5 V) 40 39 T1 NC 38 37 P26
OUT IN IN IN
28 29 30 31 32 33
DB0 DB1 DB2 DB3 DB4 DB5 DB6
12 13 14 15 16 17 18
SS 5 INT
www.DataSheet4U.com IN
36 P25 35 P24 34 P17 33 P16 32 P15 31 P14 30 P13 29 P12 28 P11 27 P10 26 VDD NC 25 24 P23 23 P22 22 P21 21 P20
34
6
EA 7 8 NC 9 NC 10 NC 11 NC DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7
OUT OUT OUT OUT OUT OUT OUT OUT
21 IN IN IN IN IN 4 IN IN IN 1 39 6 22 23 24 35 36
DB7 P20 P21 P22 P23 P24 P25 P26
19
37
12 13 14 15 16 17 18 19 20 GND
RESET INT
T0 T1
2 3 IN IN IN IN 5 26 7
XTAL1 XTAL2
SS VDD EA
UPD50HC-033 (2/2) IL11
+5 V
5 27-34
26
40 PRINT DATA THERMAL HEAD DRIVE
SS VDD VDD 8-BITS PARALLEL DATA 12-18 P10DB0P17 DB6
CPU UPD50HC-033
DB7 6 37 24 35 INT P26 P23 P24 P25
19
MOTOR CONTROL
8 INPUT
TRANSISTOR ARRAY LB1256
MOTOR DRIVE OUTPUT (—)
STROBE READY FEED RST www.DataSheet4U.com
36
HOME SWITCH SIGNAL TACHOGENERATOR SIGNAL
21
COLUMN SETTING
P20 P21 P22 T1 39 EA GND 7 20 T0
1
22 23
TACHO-GENERATOR WAVEFORM CONTROL CIRCUIT
MTP CHARACTER SERIES
+5 V +5 V THERMAL HEAD COMMON (+5 V)
PRINT PULSE WIDTH CONTROL CIRCUIT
+5 V POWER SUPPLY GND +5 V
MOTOR (+5 V) HOME SWITCH, TACHO-GENERATOR COMMON (GND)
INPUT INT P10-P17 P20-P22 P23 P24 P25 RESET T0 T1
; STROBE ; PARALLEL DATA ; PRINT COLUMN SELECT ; PRINTER PAPER FEED ; ERROR RESET ; HOME SW ; RESET ; TACHO-GENERA...
