MC9S08RD32CPE Freescale Semiconductor, MC9S08RD32CPE Datasheet - Page 18

• Manufacturer Part Number: MC9S08RD32CPE
• Description: IC MCU 32K FLASH 2K RAM 28-DIP
• Manufacturer: Freescale Semiconductor
• Series: HCS08r

Specifications of MC9S08RD32CPE

• Core Processor: HCS08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

Introduction
1.4
Table 1-2
frequency of the oscillator. The bus clock frequency is half of the oscillator frequency and is used by all of
the internal circuits with the exception of the CPU and RTI. The RTI can use either the oscillator input or
the internal RTI oscillator as its clock source.
18
OSC
System Clock Distribution
shows a simplified clock connection diagram for the MCU. The CPU operates at the input
OSCOUT*
* OSCOUT is the alternate BDC clock source for the MC9S08RC/RD/RE/RG.
CPU
OSC
RTI
Analog Comparator (ACMP)
Carrier Modulator Transmitter (CMT)
Keyboard Interrupt (KBI)
Serial Communications Interface (SCI)
Serial Peripheral Interface (SPI)
Timer Pulse-Width Modulator (TPM)
Central Processing Unit (CPU)
Debug Module (DBG)
FLASH
System Control
Figure 1-2. System Clock Distribution Diagram
÷
MC9S08RC/RD/RE/RG Data Sheet, Rev. 1.11
2
RTICLKS
Table 1-2. Block Versions
Module
BUSCLK
CONTROL
SYSTEM
RTI
LOGIC
BDC
TPM
ACMP
Version
CMT
1
1
1
1
3
1
2
1
1
2
RAM
SCI
Freescale Semiconductor
FLASH has frequency
requirements for program
and erase operation.
See
FLASH
Appendix
SPI
A.