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| MC908QY8CDWE Datasheet, PDF (21/232 Pages) Freescale Semiconductor, Inc – Addendum to MC68HC908QB8, rev. 3 | |||
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1.3 MCU Block Diagram
Figure 1-1 shows the structure of the MC68HC908QB8.
PTA0/TCH0/AD0/KBI0
PTA1/TCH1/AD1/KBI1
PTA2/IRQ/KBI2/TCLK
PTA3/RST/KBI3
PTA4/OSC2/AD2/KBI4
PTA5/OSC1/AD3/KBI5
PTB0/SPSCK/AD4
PTB1/MOSI/AD5
PTB2/MISO/AD6
PTB3/SS/AD7
PTB4/RxD/AD8
PTB5/TxD/AD9
PTB6/TCH2
PTB7/TCH3
M68HC08 CPU
MC68HC908QB8
256 BYTES
USER RAM
MC68HC908QB8
8192 BYTES
USER FLASH
VDD
POWER SUPPLY
VSS
RST, IRQ: Pins have internal pull up device
All port pins have programmable pull up device
PTA[0:5]: Higher current sink and source capability
Figure 1-1. Block Diagram
MCU Block Diagram
CLOCK
GENERATOR
KEYBOARD INTERRUPT
MODULE
SINGLE INTERRUPT
MODULE
AUTO WAKEUP
MODULE
LOW-VOLTAGE
INHIBIT
4-CHANNEL 16-BIT
TIMER MODULE
COP
MODULE
10-CHANNEL
10-BIT ADC
ENHANCED SERIAL
COMMUNICATIONS
INTERFACE MODULE
SERIAL PERIPHERAL
INTERFACE
DEVELOPMENT SUPPORT
MONITOR ROM
BREAK MODULE
MC68HC908QB8 Data Sheet, Rev. 3
Freescale Semiconductor
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