M68HC08 datasheet(42/332 Pages) FREESCALE

42 / 332 page

Memory Map

Technical Data

MC68HC908JB16 — Rev. 1.1

Memory Map

Freescale Semiconductor

2.4 Reserved Memory Locations

Accessing a reserved location can have unpredictable effects on MCU

operation. In the Figure 2-1 and in register figures in this document,

reserved locations are marked with the word Reserved or with the

letter R.

2.5 Input/Output (I/O) Section

Most of the control, status, and data registers are in the zero page area

of $0000–$007F. Additional I/O registers have these addresses:

•

$FE00; SIM break status register, SBSR

•

$FE01; SIM reset status register, SRSR

•

$FE02; Reserved

•

$FE03; SIM break flag control register, SBFCR

•

$FE04; Interrupt status register 1, INT1

•

$FE05; Interrupt status register 2, INT2

•

$FE06; Reserved

•

$FE07; Reserved

•

$FE08; FLASH control register, FLCR

•

$FE09; FLASH block protect register, FLBPR

•

$FE0A; Reserved

•

$FE0B; Reserved

•

$FE0C; Break address register high, BRKH

•

$FE0D; Break address register low, BRKL

•

$FE0E; Break status and control register, BRKSCR

•

$FE0F; Reserved

•

$FFFF; COP control register, COPCTL

Data registers are shown in Figure 2-2. Table 2-1 is a list of vector

locations.

M68HC08 Datasheet(PDF) 42 Page - Freescale Semiconductor, Inc

M68HC08 Datasheet(HTML) 42 Page - Freescale Semiconductor, Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL