Z86D86 Datasheet, PDF (29/80 Pages) Zilog, Inc. – 28-Pin Low-Voltage OTP Microcontroller

Z86D86
28-Pin Low-Voltage OTP Microcontroller
21
R253 RP
D7 D6 D5 D4 D3 D2 D1 D0
Expanded Register
File Pointer
Default setting after reset = 0000 0000
Working Register
Pointer
Figure 12. Register Pointer Register
Expanded Register File Control Registers (0D)
Figure 13, Figure 14, Figure 15, and Figure 16 show the expanded register file
control registers (0D).
CTR1 (0D) 0H
D7 D6 D5 D4 D3 D2 D1 D0
0 = P34 as Port Output *
1 = Timer8 Output
0 = Disable T8 Time-out Interrupt
1 = Enable T8 time-out Interrupt
0 = Disable T8 Data Capture Interrupt
1 = Enable T8 Data Capture Interrupt
00 = SCLK on T8
01 = SCLK/2 on T8
10 = SCLK/4 on T8
11 = SCLK/8 on T8
R = 0 No T8 Counter Time-out
R = 1 T8 Counter Time-out Occurred
W = 0 No Effect
W = 1 Reset Flag to 0
0 = Modulo-N
1 = Single Pass
* Default setting after reset
R = 0 T8 Disabled *
R = 1 T8 Enabled
W = 0 Stop T8
W = 1 Enable T8
Figure 13. TC8 Control Register—(0D) OH: Read/Write Except Where Noted
PS008905-0105
PRELIMINARY