MC908MR8MPE Freescale Semiconductor, MC908MR8MPE Datasheet - Page 72

• Manufacturer Part Number: MC908MR8MPE
• Description: IC MCU 8BIT 8K FLASH 28-PDIP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908MR8MPE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 12
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Central Processor Unit (CPU)
6.3 Features
6.4 CPU Registers
Technical Data
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Features of the CPU include:
Figure 6-1
the memory map.
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Fully upward, object-code compatibility with M68HC05 family
16-bit stack pointer with stack manipulation instructions
16-bit index register with X-register manipulation instructions
8-MHz CPU internal bus frequency
64-Kbyte program/data memory space
Sixteen addressing modes
Memory-to-memory data moves without using the accumulator
Fast 8-bit by 8-bit multiply and 16-bit by 8-bit divide instructions
Enhanced binary-coded decimal (BCD) data handling
Modular architecture with expandable internal bus definition for
extension of addressing range beyond 64 Kbytes
Low-power stop and wait modes
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Central Processor Unit (CPU)
shows the five CPU registers. CPU registers are not part of
H
Figure 6-1. CPU Registers
7
7
V 1 1 H I N Z C
X
0
0
0
0
0
CONDITION CODE REGISTER (CCR)
CARRY/BORROW FLAG
ZERO FLAG
NEGATIVE FLAG
INTERRUPT MASK
HALF-CARRY FLAG
TWO’S COMPLEMENT OVERFLOW FLAG
ACCUMULATOR (A)
INDEX REGISTER (H:X)
STACK POINTER (SP)
PROGRAM COUNTER (PC)
MC68HC908MR8 — Rev 4.1
Freescale Semiconductor