TMP47C637

The TMP47C637/837 are based on the TLCS-470A series. The 47C1237/1637 have on-screen display circuit (OSD) to is play characters and marks which indicate channel or time on TV screen, A/D converter (Conparator) input, D/A converter out ut such as TV.

The features of TMP47C637N/TMP47C837N are (1)4-bit single chip microcomputer ; (2)lnstruction execution time: 13 s (at 6 MHz), 244s (at 328kHz); (3)105 basic instructions ; (4)subroutine nesting : 15 levels max; (5)6 interrupt sources (External: 2, Internal:4) all sources have independent latches each, and multiple interrupt control is available ; (6)l/O port (32 pins): Input 3 ports 7 pins; I/O 7 ports 25 pins ; (7)Two 12-bit timer/counters ; (8)lnterval timer ; (9)watchdog timer ; (10)seriai interface with 8-bit buffer ; (11)on screen display circuit: character patterns: 128 characters; characters displayed: 20 columns*4 lines; composition : 14 x 18 dots (80 Characters); 7 x 9 dots (48 characters); size of character: 3 kinds (line byline); color of character : 7 kinds (character by character); variable display position :horizonta / nertical 128 steps; fringing,smoothing function ; (12)D/A converter (Pulse width modulation) outputs:14-bit resolution 1 channel; 7-bit resolution 7 channels ; (13)4-bit A/D converter (comparator) input (4 channels) ; (14)horizontal synchronous signal is detected by timer/counter ; (15)pulse output (clock for PLLIC) ; (16)remote control pulse detector ; (17)high current outputs: LED direct drive (typ20 mA x4 bits) ; (18)dual-clock operation: high-speed/low-power consumption operating mode ; (19)hold function : battery/capacitor back-up ; (20)reai time emulator : BM47C1638N0A.

The absolute maximum ratings of TMP47C637N/TMP47C837N are (1)supply voltage(VDD): -03 to 7V; (2)input voltage (VIN):-03 to VDD+0.3 V; (3)output current (Per 1 pin): 30mA(Ports R6)/32mA(Ports R7, R8, R9); (4)output current (Total) ELOUT1:60 mA(parts R6); (5)power dispation(PD): 600mW; (6)soldering temperature(time)(tstd):260(10s)°C; (7)storage temperature(tstg): -55 to 125°C; (8)operating temperaim(topr): -30 to 70°C.