mc68hc908qb4 Freescale Semiconductor, Inc, mc68hc908qb4 Datasheet - Page 19
mc68hc908qb4
Manufacturer Part Number
mc68hc908qb4
Description
M68hc08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908QB4.pdf
(236 pages)
- Current page: 19 of 236
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1.3 MCU Block Diagram
Figure 1-1
Freescale Semiconductor
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
PTA4/OSC2/AD2/KBI4
PTA5/OSC1/AD3/KBI5
PTA0/TCH0/AD0/KBI0
PTA1/TCH1/AD1/KBI1
PTA2/IRQ/KBI2/TCLK
PTB0/SPSCK/AD4
shows the structure of the MC68HC908QB8.
PTB1/MOSI/AD5
PTB2/MISO/AD6
PTA3/RST/KBI3
PTB4/RxD/AD8
PTB5/TxD/AD9
PTB3/SS/AD7
MC68HC908QB8
PTB6/TCH2
PTB7/TCH3
POWER SUPPLY
256 BYTES
USER RAM
V
V
DD
SS
MC68HC908QB8 Data Sheet, Rev. 2
Figure 1-1. Block Diagram
MC68HC908QB8
M68HC08 CPU
USER FLASH
8192 BYTES
DEVELOPMENT SUPPORT
KEYBOARD INTERRUPT
INTERFACE MODULE
SERIAL PERIPHERAL
SINGLE INTERRUPT
ENHANCED SERIAL
COMMUNICATIONS
4-CHANNEL 16-BIT
TIMER MODULE
AUTO WAKEUP
LOW-VOLTAGE
BREAK MODULE
MONITOR ROM
GENERATOR
10-CHANNEL
INTERFACE
10-BIT ADC
MCU Block Diagram
MODULE
MODULE
MODULE
MODULE
CLOCK
INHIBIT
COP
19
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