Freescale Semiconductor, Inc.
Analog-to-Digital Converter
ATD Registers
Bit 7
Bit 9
u
Bit 6
Bit 8
u
Bit 5
Bit 7
u
Bit 4
Bit 6
u
Bit 3
Bit 5
u
Bit 2
Bit 4
u
Bit 1
Bit 0
Bit 2
u
8-bit mode
10-bit mode
RESET:
Bit 3
u
ADRx0H — A/D Conversion Result Register High 0
ADRx1H — A/D Conversion Result Register High 1
ADRx2H — A/D Conversion Result Register High 2
ADRx3H — A/D Conversion Result Register High 3
ADRx4H — A/D Conversion Result Register High 4
ADRx5H — A/D Conversion Result Register High 5
ADRx6H — A/D Conversion Result Register High 6
ADRx7H — A/D Conversion Result Register High 7
$0070/$01F0
$0072/$01F2
$0074/$01F4
$0076/$01F6
$0078/$01F8
$007A/$01FA
$007C/$01FC
$007E/$01FE
ADRxxH[7:0] — ATD Conversion result (high)
The reset condition for these registers is undefined.
In 8-bit mode, these registers contain the left-justified, unsigned result
from the 8-bit ATD conversion.
In 10-bit mode these registers contain the high order bits of the
conversion result.
—
Bit 1
u
—
Bit 0
u
—
—
u
—
—
u
—
—
u
—
—
u
—
—
u
—
—
u
8-bit mode
10-bit mode
RESET:
ADRx0L — A/D Conversion Result Register Low 0
ADRx1L — A/D Conversion Result Register Low 1
ADRx2L — A/D Conversion Result Register Low 2
ADRx3L — A/D Conversion Result Register Low 3
ADRx4L — A/D Conversion Result Register Low 4
ADRx5L — A/D Conversion Result Register Low 5
ADRx6L — A/D Conversion Result Register Low 6
ADRx7L — A/D Conversion Result Register Low 7
$0071/$01F1
$0073/$01F3
$0075/$01F5
$0077/$01F7
$0079/$01F9
$007B/$01FB
$007D/$01FD
$007F/$01FF
ADRxxL[7:0] — ATD Conversion result (low)
The reset condition for these registers is undefined.
In 8-bit mode, these registers bits are reserved.
In 10-bit mode these registers contain the remaining two low order
bits of the conversion result in bits 6 and 7.
68HC(9)12D60 — Rev 4.0
MOTOROLA
Advance Information
Analog-to-Digital Converter
335
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MOTOROLA [ MOTOROLA ]
