Result Registers; Right-Justified Unsigned Result Register (Rjurr); Multiplexed Channel Assignments And Signal Designations - Motorola ColdFire MCF5281 User Manual

Table 27-17. Multiplexed Channel Assignments and Signal Designations
Port Signal Analog
Name Signal Name
PQB0 ANW
PQB1 ANX
PQB2 ANY
PQB3 ANZ
PQA0 —
PQA1 —
PQA3 AN55
PQA4 AN56
Low Reference
V
RL
High Reference
V
RH
—
—
— —
1
All channels not listed are reserved or unimplemented and return undefined results.

27.6.8 Result Registers

The result word table is a 64 half-word (128 byte) long by 10-bit wide RAM. An entry is
written by the QADC after completing an analog conversion specified by the corresponding
CCW table entry.

27.6.8.1 Right-Justified Unsigned Result Register (RJURR)

15
Field
Reset
R/W:
7
Field
Reset
R/W:
Address
Figure 27-15. Right-Justified Unsigned Result Register (RJURR)
MOTOROLA
Multiplexed Input Signals
Other
Functions
—
—
—
—
MA0
MA1
ETRIG1
ETRIG2
—
—
(V –V )/2
RH RL
End-of-Queue Code
—
0000_00
R
IPSBAR + 0x19_0280, 0x19_02fe
Chapter 27. Queued Analog-to-Digital Converter (QADC)
Signal Type
Input
Input
Input
Input
Output
Output
Input/Output
Input/Output
Input
Input
—
—
10
RESULT
Undefined
R/W
Register Descriptions
1
Channel Number
in CCW CHAN Field
Binary Decimal
000XX0 0, 2, 4, 6
000XX1 1, 3, 5, 7
010XX0 16, 18, 20, 22
010XX1 17, 19, 21, 23
— 52
53
110111 55
111000 56
111100 60
111101 61
111110 62
111111 63
9 8
RESULT
Undefined
R/W
0
27-29