MC9S08FL16CBM Datasheet, PDF (3/34 Pages) Freescale Semiconductor, Inc – Up to 20 MHz CPU at 4.5 V to 5.5 V across temperature range of –40 °C to 85 °C

1 MCU Block Diagram
The block diagram, Figure 1, shows the structure of MC9S08FL16 series MCU.
MCU Block Diagram
HCS08 CORE
CPU
BDC
HCS08 SYSTEM CONTROL
RESETS AND INTERRUPTS
MODES OF OPERATION
POWER MANAGEMENT
COP
IRQ
LVD
ON-CHIP ICE AND
DEBUG MODUE (DBG)
USER FLASH
MC9S08FL16 — 16,384 BYTES
MC9S08FL8 — 8,192 BYTES
USER RAM
MC9S08FL16 — 1,024 BYTES
MC9S08FL8 — 768 BYTES
16-BIT MODULO TIMER
(MTIM16)
TCLK
2-CH TIMER/PWM
MODULE (TPM2)
TPM2CH[1:0]
RESET
IRQ
INTERRUPT PRIORITY
CONTROLLER (IPC)
SERIAL COMMUNICATIONS ^TxD
RxD
INTERFACE (SCI)
4-CH TIMER/PWM
MODULE (TPM1)
TPM1CH[3:0]
EXTAL
XTAL
20 MHz INTERNAL CLOCK
SOURCE (ICS)
EXTERNAL OSCILLATOR
SOURCE (XOSC)
V_DD
V_SS
VOLTAGE REGULATOR
V_REFH
V_REFL
V_DDA
V_SSA
12-CH 8-BIT
ANALOG-TO-DIGITAL
CONVERTER (ADC)
ADP[11:0]
NOTE
1. PTA4 is output only when used as port pin.
2. PTA5 is input only when used as port pin.
Figure 1. MC9S08FL16 Series Block Diagram
PTA0/ADP0
PTA1/ADP1
PTA2/ADP2
PTA3/ADP3
PTA4/BKGD/MS
PTA5/IRQ/TCLK/RESET
PTA6/TPM2CH0
PTA7/TPM2CH1
PTB0/RxD/ADP4
PTB1/TxD/ADP5
PTB2/ADP6
PTB3/ADP7
PTB4/TPM1CH0
PTB5/TPM1CH1
PTB6/XTAL
PTB7/EXTAL
PTC0/ADP8
PTC1/ADP9
PTC2/ADP10
PTC3/ADP11
PTC4
PTC5
PTC6
PTC7
PTD0
PTD1
PTD2/TPM1CH2
PTD3/TPM1CH3
PTD4
PTD5
MC9S08FL16 Series Data Sheet, Rev. 3
Freescale Semiconductor
3