Mitsubishi DS907x SIP User Manual page 34

USER'S GUIDE
TCON.0:
"Interrupt 0 Type Select":
Initialization:
TIMER MODE REGISTER
Label: TMOD
D7 D6
GATE C/T
Bit Description:
TMOD.7 (Timer 1);
TMOD.3 (Timer 0):
"Gate Control":
Initialization:
TMOD.6 (Timer 1);
TMOD.2 (Timer 0)
"Counter/Timer Select":
Initialization:
TMOD.5, TMOD.4 (Timer 1);
TMOD.1, TMOD.0 (Timer 0): M1,M0
"Mode Select":
Initialization:
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IT0
When set to 1, 1–to–0 transitions on INT0 will be used to generate interrupt
requests from this pin. When cleared to 0, INT0 is level–activated.
Cleared to a 0 on any type of reset.
D5 D4
M1 M0
GATE
When set to 1 with TRn=1, timer/counter's input count pulses will only be
delivered while a 1 is present on the INT pin. When cleared to 0, count
pulses will always be received by the timer/counter a long as TRn=1.
Cleared to 0 on any reset.
C/T
When set to 1, the counter function is selected for the associated timer;
when cleared to 0, the timer function is selected.
Cleared to 0 on any reset.
These bits select the operating mode of the associated timer/counter as fol-
lows:
M1 M0
0 0 Mode 0: 8 bits with 5–bit prescale
0 1 Mode 1: 16 bits with no prescale
1 0 Mode 2: 8 bits with auto–reload
1 1 Mode 3: Timer 0 – Two 8–bit timers
Timer 1 – Stopped
Cleared to 0 on any reset.
Register Address: 089H
D3 D2
GATE C/T
34
D1 D0
M1 M0