MC68HC705C9ACP Freescale Semiconductor, MC68HC705C9ACP Datasheet - Page 33
MC68HC705C9ACP
Manufacturer Part Number
MC68HC705C9ACP
Description
IC MCU 2.1MHZ 16K OTP 40-DIP
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC705C9ACPE.pdf
(118 pages)
Specifications of MC68HC705C9ACP
Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
24
Program Memory Size
16KB (16K x 8)
Program Memory Type
OTP
Ram Size
352 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC705C9ACP
Manufacturer:
AD
Quantity:
1 200
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Chapter 3
Central Processor Unit (CPU)
3.1 Introduction
This section contains the basic programmers model and the registers contained in the CPU.
3.2 CPU Registers
The MCU contains five registers as shown in the programming model of
order is shown in
Freescale Semiconductor
15
15
0
Figure
0
INCREASING
ADDRESSES
MEMORY
0
3-2.
0
MC68HC05C9A Advance Information Data Sheet, Rev. 4.1
UNSTACK
0
0
R
E
U
R
N
T
Figure 3-2. Interrupt Stacking Order
0
Figure 3-1. Programming Model
7
1
0
7
7
7
PC
1
1
1
1
INDEX REGISTER
ACCUMULATOR
CONDITION CODE REGISTER
H
PCH
PCL
A
X
I
SP
CCR
N
Z
C
0
0
0
0
0
PROGRAM COUNTER
ACCUMULATOR
INDEX REGISTER
STACK POINTER
CONDITION CODE REGISTER
N
R
R
U
T
E
P
T
I
Figure
STACK
DECREASING
ADDRESSES
MEMORY
3-1. The interrupt stacking
33
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