PXN20RM Datasheet, PDF (1083/1376 Pages) Freescale Semiconductor, Inc – PXN20 Microcontroller

Analog-to-Digital Converter (ADC)
34.3 Memory Map and Register Definition
This section provides memory maps and detailed descriptions of all registers. Data written to or read from
reserved areas of the memory map is undefined.
34.3.1 ADC Memory Map
This section provides the memory map for the ADC.
Table 34-1. ADC Memory Map
Offset from
ADC_BASE
(ADC_A=
0xFFF8_0000)
Register
Access Reset Value Section/Page Size
0x0000
MCR — Main Configuration Register
R/W¹ 0x0000_0001 34.3.2.1/34-8 32
0x0004
MSR — Main Status Register
RO 0x0000_0001 34.3.2.2/34-10 32
0x0008–0x000C Reserved
0x0010
ISR — Interrupt Status Register
0x0014
CEOCFR0 — Channel Pending Register 0
0x0018
CEOCFR1 — Channel Pending Register 1
0x001C
CEOCFR2 — Channel Pending Register 2
0x0020
IMR — Interrupt Mask Register
0x0024
CIMR0 — Channel Interrupt Mask Register 0
0x0028
CIMR1 — Channel Interrupt Mask Register 1
0x002C
CIMR2 — Channel Interrupt Mask Register 2
0x0030
WTISR — Watchdog Interrupt Threshold Register
0x0034
WTIMR — Watchdog Interrupt Threshold Mask Register
R/W¹ 0x0000_0000 34.3.2.3/34-11 32
R/W¹ 0x0000_0000 34.3.2.4/34-12 32
R/W¹ 0x0000_0000 34.3.2.5/34-13 32
R/W¹ 0x0000_0000 34.3.2.6/34-13 32
R/W¹ 0x0000_0000 34.3.2.7/34-14 32
R/W¹ 0x0000_0000 34.3.2.8/34-15 32
R/W¹ 0x0000_0000 34.3.2.9/34-15 32
R/W¹ 0x0000_0000 34.3.2.10/34-16 32
R/W¹ 0x0000_0000 34.3.2.11/34-16 32
R/W¹ 0x0000_0000 34.3.2.12/34-17 32
0x0038–0x003C Reserved
0x0040
DMAE — DMA Enable Register
0x0044
DMAR0 — DMA Channel Select Register 0
0x0048
DMAR1 — DMA Channel Select Register 1
0x004C
DMAR2 — DMA Channel Select Register 2
0x0050
TRC0 — Threshold Control Register 0
0x0054h
TRC1 — Threshold Control Register 1
0x0058
TRC2 — Threshold Control Register 2
0x005C
TRC3 — Threshold Control Register 3
0x0060
THRHLR0 — Threshold Register 0
0x0064
THRHLR1 — Threshold Register 1
0x0068
THRHLR2 — Threshold Register 2
R/W¹ 0x0000_0000 34.3.2.13/34-18 32
R/W¹ 0x0000_0000 34.3.2.14/34-18 32
R/W¹ 0x0000_0000 34.3.2.15/34-19 32
R/W¹ 0x0000_0000 34.3.2.16/34-19 32
R/W¹ 0x0000_0000 34.3.2.17/34-20 32
R/W¹ 0x0000_0000 34.3.2.17/34-20 32
R/W¹ 0x0000_0000 34.3.2.17/34-20 32
R/W¹ 0x0000_0000 34.3.2.17/34-20 32
R/W¹ 0x0FFF_0000 34.3.2.18/34-21 32
R/W¹ 0x0FFF_0000 34.3.2.18/34-21 32
R/W¹ 0x0FFF_0000 34.3.2.18/34-21 32
Freescale Semiconductor
PXN20 Microcontroller Reference Manual, Rev. 1
34-3