參數(shù)資料
型號(hào): 68HC05M68HC
廠商: Motorola, Inc.
英文描述: HCMOS Microcontroller Unit
中文描述: HCMOS微控制器
文件頁數(shù): 33/130頁
文件大?。?/td> 1541K
代理商: 68HC05M68HC
Memory
RAM
MC68HC705P6A
Rev. 2.0
Advance Information
MOTOROLA
Memory
33
2.6 RAM
The user RAM consists of 176 bytes (including the stack) at locations
$0050 through $00FF. The stack begins at address $00FF. The stack
pointer can access 64 bytes of RAM from $00FF to $00C0.
NOTE:
Using the stack area for data storage or temporary work locations
requires care to prevent it from being overwritten due to stacking from an
interrupt or subroutine call.
2.7 EPROM/ROM
There are 4608 bytes of user EPROM at locations $0100 through
$12FF, plus 48 bytes in user page zero locations $0020 through $004F,
and 16 additional bytes for user vectors at locations $1FF0 through
$1FFF. The bootloader ROM and vectors are at locations $1F01 through
$1FEF.
$001D
A/D Conversion Value
Data Register (ADC)
See page 82.
Read:
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
Write:
Reset:
Unaffected by reset
$001E
A/D Status and Control
Register (ADSC)
See page 80.
Read:
CC
ADRC
ADON
0
0
CH2
CH1
CH0
Write:
Reset:
0
0
0
0
0
0
0
0
$001F
Reserved for Test
R
R
R
R
R
R
R
R
Addr.
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
= Unimplemented
R
= Reserved
U = Undetermined
Figure 2-3. I/O and Control Register Summary (Sheet 4 of 4)
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