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| MC68HC908AS32A Datasheet, PDF (136/280 Pages) Freescale Semiconductor, Inc – Microcontrollers | |||
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External Interrupt Module (IRQ)
M68HC08 CPU
CPU
REGISTERS
ARITHMETIC/LOGIC
UNIT (ALU)
CONTROL AND STATUS REGISTERS
USER FLASH â 32, 256 BYTES
USER RAM â 1024 BYTES
USER EEPROM â 512 BYTES
MONITOR ROM â 256 BYTES
USER FLASH VECTOR SPACE â 52 BYTES
OSC1
OSC2
CGMXFC
CLOCK GENERATOR
MODULE
RST
SYSTEM INTEGRATION
MODULE
IRQ
IRQ MODULE
POWER-ON RESET
MODULE
VREFH
ANALOG-TO-DIGITAL
MODULE
BREAK MODULE
LOW-VOLTAGE INHIBIT
MODULE
COMPUTER OPERATING
PROPERLY MODULE
6-CHANNEL TIMER
INTERFACE MODULE
PROGRAMMABLE INTERRUPT
TIMER MODULE
SERIAL COMMUNICATIONS
INTERFACE MODULE
SERIAL PERIPHERAL
INTERFACE MODULE
BYTE DATA LINK CONTROLLER
BDRxD
BDTxD
PTA7âPTA0
PTB7/ATD7â
PTB0/ATD0
PTC4
PTC3
PTC2/MCLK
PTC1âPTC0
PTD6/ATD14/TCLK
PTD5/ATD13
PTA4/ATD12
PTD3/ATD11â
PTD0/ATD8
PTE7/SPSCK
PTE6/MOSI
PTE5/MISO
PTE4/SS
PTE3/TCH1
PTE2/TCH0
PTE1/RxD
PTE0/TxD
PTF3/TCH5â
PTF0/TCH2
VSS
VDD
VDDA
VSSA
POWER
AVSS/VREFK
VDDAREF
Figure 10-1. Block Diagram Highlighting IRQ Block and Pins
MC68HC908AS32A Data Sheet, Rev. 2.0
136
Freescale Semiconductor
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