MC68HC11G5 Datasheet, PDF (127/195 Pages) Motorola, Inc – High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcontroller

Freescale Semiconductor, Inc.
CON12 — Concatenate channels 1 and 2
1 – Channels 1 and 2 are concatenated to create one 16-bit PWM channel. (Channel
1 becomes the high order byte and channel 2 becomes the low order byte. The
channel 2 output is used as the output for this 16-bit PWM (bit 1 of Port H)).
0 – Channels 1 and 2 are separate 8-bit PWM channels.
PCKA2, PCKA1 — Prescaler for clock A
Clock A is one of two clock sources which may be used for channels 1 & 2. These two
bits determine the rate of clock A.
PCKA2
PCKA1 Value of Clock A
0
0
E
0
1
E/2
1
0
E/4
1
1
E/8
PCKB3, PCKB2, PCKB1 — Prescaler for clock B
Clock B is one of two clock sources which may be used for channels 3 & 4. These three
bits determine the rate of clock B.
PCKB3
0
0
0
0
1
1
1
1
PCKB2
0
0
1
1
0
0
1
1
PCKB1 Value of Clock B
0
E
1
E/2
0
E/4
1
E/8
0
E/16
1
E/32
0
E/64
1
E/128
PULSE WIDTH MODULATION TIMER
10-7
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