MC68HC708MP16CFU Tima Channel Registers - Freescale Semiconductor, Inc

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MC68HC708MP16CFU

Manufacturer Part Number
MC68HC708MP16CFU
Description
Manufacturer
Freescale Semiconductor, Inc
Datasheet
11.9.5 TIMA Channel Registers
These read/write registers contain the captured TIMA counter value of
the input capture function or the output compare value of the output
compare function. The state of the TIMA channel registers after reset is
unknown.
In input capture mode (MSxB:MSxA = 0:0), reading the high byte of the
TIMA channel x registers (TACHxH) inhibits input captures until the low
byte (TACHxL) is read.
In output compare mode (MSxB:MSxA ≠ 0:0), writing to the high byte of
the TIMA channel x registers (TACHxH) inhibits output compares until
the low byte (TACHxL) is written.
TACH0H
$0012
Read:
Write:
Reset:
TACH0L
$0013
Read:
Write:
Reset:
TACH1H
$0015
Read:
Write:
Reset:
TACH1L
$0016
Read:
Write:
Reset:
MC68HC708MP16
Rev. 3.1
Freescale Semiconductor
Bit 7
6
5
Bit 15
Bit 14
Bit 13
Bit 7
6
5
Bit 7
Bit 6
Bit 5
Bit 7
6
5
Bit 15
Bit 14
Bit 13
Bit 7
6
5
Bit 7
Bit 6
Bit 5
Figure 11-9. TIMA Channel Registers (TACH0H/L:TACH1H/L)
Timer Interface Module A (TIMA)
Timer Interface Module A (TIMA)
4
3
2
Bit 12
Bit 11
Bit 10
Indeterminate after reset
4
3
2
Bit 4
Bit 3
Bit 2
Indeterminate after reset
4
3
2
Bit 12
Bit 11
Bit 10
Indeterminate after reset
4
3
2
Bit 4
Bit 3
Bit 2
Indeterminate after reset
1
Bit 0
Bit 9
Bit 8
1
Bit 0
Bit 1
Bit 0
1
Bit 0
Bit 9
Bit 8
1
Bit 0
Bit 1
Bit 0
Technical Data
223

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