Z86E3016PSG Datasheet, PDF (137/348 Pages) Zilog, Inc. – Z86E3016PSG

Z8 CPU
User Manual
119
R243 PRE1
Prescaler 1 Register
(%F3; Write-Only)
UUUUUU0 0
Count Mode
0 = T₁ Single Pass
1 = T₁ Modulo-n
Clock Source
1 = T₁ Internal
0 = T₁ External (T_IN)
Prescaler Modulo
(Range: 1-64 Decimal
01-00 HEX)
Figure 71. Prescaler 1 Register
R242 T1
Counter/Timer 1 Register
(%F2; Write/Read Only)
R244 T0
Counter/Timer 0 Register
(%F4; Write/Read Only)
D7 D6 D5 D4 D3 D2 D1 D0
Initial value when written
(Range 1-256 decimal, 01-00 HEX)
current value when read
Figure 72. Counter/Timer 0 and 1 Registers
UM001602-0904
Counters and Timers