MCHC705JJ7CPE Freescale Semiconductor, MCHC705JJ7CPE Datasheet - Page 29
![IC MCU 8BIT 224 BYTES RAM 20PDIP](/photos/38/0/380057/pdip20_sml.jpg)
MCHC705JJ7CPE
Manufacturer Part Number
MCHC705JJ7CPE
Description
IC MCU 8BIT 224 BYTES RAM 20PDIP
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC705JJ7CDWE.pdf
(164 pages)
Specifications of MCHC705JJ7CPE
Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SIO
Peripherals
POR, Temp Sensor, WDT
Number Of I /o
14
Program Memory Size
6KB (6K x 8)
Program Memory Type
OTP
Ram Size
224 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 4x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-DIP (0.300", 7.62mm)
Processor Series
HC705JJ
Core
HC05
Data Bus Width
8 bit
Data Ram Size
224 B
Interface Type
SIOP
Maximum Clock Frequency
2.1 MHz
Number Of Programmable I/os
14
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 4 Channel
Package
20PDIP
Family Name
HC05
Maximum Speed
2.1 MHz
Operating Supply Voltage
3.3|5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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Chapter 3
Central Processor Unit (CPU)
3.1 Introduction
This section describes the central processor unit (CPU) registers.
registers. CPU registers are not part of the memory map.
3.2 Accumulator
The accumulator is a general-purpose 8-bit register as shown in
accumulator to hold operands and results of arithmetic and non-arithmetic operations.
Freescale Semiconductor
Reset:
15
15
Read:
Write:
0
1
0
1
MC68HC705JJ7 • MC68HC705JP7 Advance Information Data Sheet, Rev. 4.1
0
1
Bit 7
0
0
Figure 3-1. M68HC05 Programming Model
PCH
10
0
CARRY/BORROW FLAG
6
0
HALF-CARRY FLAG
INTERRUPT MASK
Figure 3-2. Accumulator (A)
NEGATIVE FLAG
0
8
ZERO FLAG
7
7
1
7
7
1
5
6
1
1
5
5
1
Unaffected by reset
H
4
4
PCL
A
X
I
SP
N
3
Z
C
0
0
0
0
0
Figure
Figure 3-1
INDEX REGISTER (X)
STACK POINTER (SP)
PROGRAM COUNTER (PC)
CONDITION CODE REGISTER (CCR)
ACCUMULATOR (A)
2
3-2. The CPU uses the
shows the five CPU
1
Bit 0
29
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