MC68HC908BD48IB Freescale Semiconductor, MC68HC908BD48IB Datasheet - Page 67
MC68HC908BD48IB
Manufacturer Part Number
MC68HC908BD48IB
Description
IC MCU 48K FLASH 6MHZ USB 42SDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908BD48IBE.pdf
(288 pages)
Specifications of MC68HC908BD48IB
Core Processor
HC08
Core Size
8-Bit
Speed
6MHz
Connectivity
I²C, USB
Peripherals
POR, PWM
Number Of I /o
32
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 6x8b
Oscillator Type
Internal
Operating Temperature
0°C ~ 85°C
Package / Case
42-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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6.1 Contents
6.2 Introduction
MC68HC908BD48
Freescale Semiconductor
Data Sheet — MC68HC908BD48
—
Rev. 2.1
6.2
6.3
6.4
6.4.1
6.4.2
6.4.3
6.4.4
6.4.5
6.5
6.6
6.6.1
6.6.2
6.7
6.8
6.9
The M68HC08 CPU (central processor unit) is an enhanced and fully
object-code-compatible version of the M68HC05 CPU. The CPU08
Reference Manual (Freescale document order number CPU08RM/AD)
contains a description of the CPU instruction set, addressing modes,
and architecture.
Section 6. Central Processor Unit (CPU)
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
CPU Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Arithmetic/Logic Unit (ALU) . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
CPU During Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Instruction Set Summary
Opcode Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Accumulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Index Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Stack Pointer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Program Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Condition Code Register . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Central Processor Unit (CPU)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Data Sheet
67
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