z86c9216vsc ZiLOG Semiconductor, z86c9216vsc Datasheet - Page 62

• Manufacturer Part Number: z86c9216vsc
• Description: Ir Microcontroller
• Manufacturer: ZiLOG Semiconductor

Z86C72/C92/L72/L92
IR Microcontroller
6-62
CTR1 (0D) 1H
D7
*Default after Reset
Note: Care must be taken in differentiating
Transmit Mode from Demodulation Mode.
Depending on which of these two modes is
operating, the CTR1 bit will have different
functions.
D6
D5
Figure 46. T8 and T16 Common Control Functions
D4
D3
D2
((0D) 1H: Read/Write)
P R E L I M I N A R Y
D1 D0
Transmit Mode
R/W
Demodulation Mode
R
R
W
W
Transmit Mode
R/W
Demodulation Mode
R
R
W
W
Transmit Mode*
Demodulation Mode
Transmit Mode/T8/T16 Logic
Demodulation Mode
Transmit Mode
Demodulation Mode
Transmit/Demodulation Modes
Note: Changing from one mode to
another cannot be done without
disabling the counter/timers.
0 T16_OUT is 0 Initially
1 T16_OUT is 1 Initially
0 No Falling Edge Detection
1 Falling Edge Detection
0 No Effect
1 Reset Flag to 0
0 T8_OUT is 0 Initially
1 T8_OUT is 1 Initially
0 No Rising Edge Detection
1 Rising Edge Detection
0 No Effect
1 Reset Flag to 0
0 0 Normal Operation
0 1 Ping-Pong Mode
1 0 T16_OUT = 0
1 1 T16_OUT = 1
0 0 No Filter
0 1 4 SCLK Cycle Filter
1 0 8 SCLK Cycle Filter
1 1 16 SCLK Cycle Filter
0 0 AND
0 1 OR
1 0 NOR
1 1 NAND
0 0 Falling Edge Detection
0 1 Rising Edge Detection
1 0 Both Edge Detection
1 1 Reserved
0 P36 as Port Output *
1 P36 as T8/T16_OUT
0 P31 as Demodulator Input
1 P20 as Demodulator Input
0 Transmit Mode*
1 Demodulation Mode
DS97LVO0900
Zilog