S9S08SC4E0MTG Datasheet, PDF (3/31 Pages) Freescale Semiconductor, Inc – MC9S08SC4 8-Bit Microcontroller Data Sheet

Chapter 1
Device Overview
The MC9S08SC4 is a member of the low-cost, high-performance HCS08 Family of 8-bit microcontroller units (MCUs). The
MC9S08SC4 uses the enhanced HCS08 core.
1.1 MCU Block Diagram
The block diagram in Figure 1-1 shows the structure of the MC9S08SC4 MCU.
BKGD/MS
RESET
HCS08 CORE
CPU
BDC
HCS08 SYSTEM CONTROL
RESETS AND INTERRUPTS
MODES OF OPERATION
POWER MANAGEMENT
COP
LVD
USER FLASH
(MC9S08SC4 = 4096 BYTES)
16-BIT TIMER/PWM
MODULE (TPM1)
16-BIT TIMER/PWM
MODULE (TPM2)
SERIAL COMMUNICATIONS
INTERFACE MODULE (SCI)
TCLK
TPM1CH0
TPM1CH1
TCLK
TPM2CH0
TPM2CH1
RxD
TxD
PTA3/PIA3/ADP3
PTA2/PIA2/ADP2
PTA1/PIA1/TPM2CH0/ADP1
PTA0/PIA0/TPM1CH0/TCLK/ADP0
PTB7/EXTAL
PTB6/XTAL
PTB5/TPM1CH1
PTB4/TPM2CH1
PTB3/PIB3/ADP7
PTB2/PIB2/ADP6
PTB1/PIB1/TxD/ADP5
PTB0/PIB0/RxD/ADP4
USER RAM
(MC9S08SC4 = 256 BYTES)
40-MHz INTERNAL CLOCK
SOURCE (ICS)
LOW-POWER OSCILLATOR
32 kHz to 38.4 kHz
1 MHz to 16 MHz
SEE NOTE 1
V_DD
V_SS
VOLTAGE
REGULATOR
EXTAL
XTAL
V_DDA
V_SSA
V_REFH
V_REFL
10-BIT
ANALOG-TO-DIGITAL
CONVERTER (ADC)
ADP7-ADP0
NOTES
1:
V_DDA/V_REFH and V_SSA/V_REFL, are derived from V_DD and V_SS respectively.
Figure 1-1. MC9S08SC4 Block Diagram
MC9S08SC4 MCU Series Data Sheet, Rev. 4
Freescale Semiconductor
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