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Designed by
GlobalAMS
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|
 |
EZ
MICRO -12
Memory
Map of EZ MICRO -12 Board
| Address
Range |
Description |
Location |
| $0000
- $01FF |
CPU
registers |
On-chip
(MCU) |
| $0800
- $09FF |
User
code / data |
1-Kbyte
on chip RAM (MCU) |
| $0A00
- $0BFF |
Reserved
for DEBUG |
| $1000
- $1FFF |
User
code / data |
4-Kbyte
on chip EEPROM (MCU) |
| $4000
- $7FFF |
User
code / data |
16-Kbyte
external RAM (U3 and U6) |
| $8000
- $9FFF |
Available
for user programs |
32-Kbyte
external EPROM (U4 and U5) |
| $A000
- $FD7F |
D-Bug
12 program |
| $FD80
- $FDFF |
D-Bug
12 startup code |
| $FE00
- $FE7F |
User
accessible functions |
| $FE80
- $FEFF |
D-Bug
12 customization data |
| $FF00
- $FF7F |
Available
for user programs |
| $FF80
- $FFFF |
Reserved
for interrupt and reset vectors |
HC
12 Jumpers ( Default Location ) and description
| H3
1-2 |
MODA
|
| H4
1-2 |
MODB
|
| H5-5
to H6-5 |
RAM_CS
|
| H7-6
to H6-6 |
ROM_CS
|
| H8
IN |
VRH
( V reference Low )
|
| H9
IN |
VRL
( V reference Hi )
|
| H10
IN |
VDDPLL
( Phase Lock Loop )
|
| H11
IN |
VSSPLL
( Phase Lock Loop )
|
| H12
1-2 |
DAC
OUTPUT ( Inverting or Non Inverting )
|
| H40
1-2 |
Background
Debug Mode
|
Utility
Routines Summary
| Function
|
Description
|
Vector
Table Address
|
Physical
Address
|
|
getchar()
|
Get
a character from SCIO or SCI1
|
$FE02
|
$F238
|
|
putchar()
|
Send
a character out SCIO or SCI1
|
$FE04
|
$F243
|
|
printf()
|
Formatted
Output – Translates binary values to characters
|
$FE06
|
$F2D8
|
|
GetCmd
Line()
|
Obtain
a line of input from the user
|
$FE08
|
$ED16
|
|
sscanhex()
|
Convert
an ASCII hexadecimal string to a binary integer
|
$FEOA
|
$ED9F
|
|
isxdigit()
|
Checks
for membership in the set [0..9, a..f, A..F]
|
$FEOC
|
$F2BD
|
|
toupper()
|
Converts
lower case characters to upper case
|
$FEOE
|
$F9CF
|
|
isalpha()
|
Checks
for membership in the set [a..z, A..Z]
|
$FE10
|
$F2AA
|
|
strlen()
|
Returns
the length of a null terminated string
|
$FE12
|
$F9A9
|
|
strcpy()
|
Copies
a null terminated string
|
$FE14
|
$F29D
|
|
out2hex()
|
Displays
8-bit number as 2 ASCII hex characters
|
$FE16
|
$EE9C
|
|
out4hex()
|
Displays
16-bit number as 4 ASCII hex characters
|
$FE18
|
$EEA6
|
|
SetUserVector()
|
Setup'
user interrupt service routine
|
$FE1A
|
$A000
|
|
WriteEEByte()
|
Write
a data byte to on-chip EEPROM
|
$FE1C
|
$E3CF
|
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