Mitsubishi Motors DS5000TK User Manual

Page 106

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USER’S GUIDE

050396 105/173

106

TMOD.5, TMOD.4:

Timer 1 Mode Control

“Mode Select”

These bit select the operating mode of the associated timer/counter as fol-
lows:

M1

M0

0

0

Mode 0: Eight bits with 5–bit prescale

0

1

Mode 1: 16 bits with no prescale

1

0

Mode 2: Eight bits with auto–reload

1

1

Mode 3: Timer 1 – Stopped

Initialization:

Cleared to 0 on any reset.

TMOD.1, TMOD.0:

Timer 0 Mode Control

“Mode Select”

These bit select the operating mode of the associated timer/counter as fol-
lows:

M1

M0

0

0

Mode 0: Eight bits with 5–bit prescale

0

1

Mode 1: 16 bits with no prescale

1

0

Mode 2: Eight bits with auto–reload

1

1

Mode 3: Timer 0 – Two 8–bit timers

Initialization:

Cleared to 0 on any reset.

TCON REGISTER CONTROL/STATUS BITS Figure 13–2

Bit Description:

TCON.7:

TF1

“Timer 1 Overflow Flag”:

Status bit set to 1 when Timer 1 overflows from a previous count value of all
1’s. Cleared to 0 when CPU vectors to Timer 1 Interrupt service routine.

Initialization:

Cleared to 0 on any type of reset.

TCON.6:

TR1

“Timer 1 Run Control”:

When set to a 1 by software, Timer 1 operation will be enabled. Timer 1 is
disabled when cleared to 0.

Initialization:

Cleared to 0 on any type of reset.

TCON.5:

TF0

“Timer 0 Overflow”:

Status bit set to 1 when Timer 0 overflows from a previous count value of all
1’s. Cleared to 0 when CPU vectors to Timer 0 interrupt service routine.

Initialization:

Cleared to 0 on ay type of reset.

TCON.4:

TR0

“Timer 0 Run Control”:

When set to a 1 by a software, Timer 0 operation is enabled. Timer 0 is dis-
abled when cleared to 0.

Initialization:

Cleared to 0 on any type of reset.

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