MC68HC705C8ACFN Freescale Semiconductor, MC68HC705C8ACFN Datasheet - Page 44

IC MCU 4MHZ 8K OTP 44-PLCC

MC68HC705C8ACFN

Manufacturer Part Number
MC68HC705C8ACFN
Description
IC MCU 4MHZ 8K OTP 44-PLCC
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet

Specifications of MC68HC705C8ACFN

Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
24
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
304 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-

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Central Processor Unit (CPU)
3.3 CPU Registers
Technical Data
44
Figure 3-1
within the CPU and are not part of the memory map.
Bit 12 11
Bit 12 11
Freescale Semiconductor, Inc.
0
For More Information On This Product,
0
10
10
0
shows the five CPU registers. These are hard-wired registers
Central Processor Unit (CPU)
CARRY/BORROW FLAG
Go to: www.freescale.com
9
0
9
HALF-CARRY FLAG
INTERRUPT MASK
NEGATIVE FLAG
8
0
8
Figure 3-1. Programming Model
ZERO FLAG
Bit 7
Bit 7
Bit 7
7
1
7
1
6
6
6
1
6
6
1
5
5
5
5
5
1
H
4
4
4
4
4
3
3
3
3
3
I
N
2
2
2
2
2
1
1
1
1
1
Z
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0
C
INDEX REGISTER (X)
STACK POINTER (SP)
PROGRAM COUNTER (PC)
CONDITION CODE REGISTER (CCR)
ACCUMULATOR (A)
MC68HC705C8A — Rev. 3
MOTOROLA

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