Z86L81 Datasheet, PDF (71/88 Pages) Maxim Integrated Products – 28-Pin Low-Voltage Infrared Microcontrollers

Z86L81/86/98
28-Pin Low-Voltage Infrared Microcontrollers
65
CTR1 (0D) 1H
D7 D6 D5 D4 D3 D2 D1 D0
* Default setting after reset
Transmit Mode
R/W 0 T16_OUT is 0 initially
1 T16_OUT is 1 initially
Demodulation Mode
R 0 No Falling Edge Detection
R 1 Falling Edge Detection
W 0 No Effect
W 1 Reset Flag to 0
Transmit Mode
R/W 0 T8_OUT is 0 initially
1 T8_OUT is 1 initially
Demodulation Mode
R 0 No Rising Edge Detection
R 1 Rising Edge Detection
W 0 No Effect
W 1 Reset Flag to 0
Transmit Mode
0 0 Normal Operation
0 1 Ping-Pong Mode
1 0 T16_OUT = 0
1 1 T16_OUT = 1
Demodulation Mode
0 0 No Filter
0 1 4 SCLK Cycle Filter
1 0 8 SCLK Cycle Filter
1 1 Reserved
Transmit Mode/T8/T16 Logic
0 0 AND
0 1 OR
1 0 NOR
1 1 NAND
Demodulation Mode
0 0 Falling Edge Detection
0 1 Rising Edge Detection
1 0 Both Edge Detection
1 1 Reserved
Transmit Mode
0 P36 as Port Output *
1 P36 as T8/T16_OUT
Demodulation Mode
0 P31 as Demodulator Input
1 P20 as Demodulator Input
Transmit/Demodulation Mode
0 Transmit Mode *
1 Demodulation Mode
Figure 36. T8 and T16 Common Control Functions ((0D) 1h: Read/Write)
19-4615; Rev 0; 4/09