MC68HC908KX2 MOTOROLA [Motorola, Inc], MC68HC908KX2 Datasheet - Page 32

• Manufacturer Part Number: MC68HC908KX2
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

N O N - D I S C L O S U R E
Notes:
DSR
1. Pin contains integrated pullup resistor
2. High-current source/sink pin
3. Pin contains software selectable pullup resistor if general function I/O pin is configured as input.
4. Pins are used for external clock source or crystal/ceramic resonator option.
V
V
DD
SS

CONTROL AND STATUS REGISTERS — 78 BYTES
REGISTERS
USER FLASH VECTOR SPACE — 36 BYTES
CPU
FLASH BURN-IN ROM — 1024 BYTES
MONITOR ROM — 295 BYTES
USER FLASH — 7680 BYTES
USER RAM — 192 BYTES
M68HC08 CPU
POWER
INTERNAL CLOCK GENERATOR
TPAUX6S@ÃT@G@8U67G@
SYSTEM INTEGRATION
MODULE
MODULE
MODULE
ARITHMETIC/LOGIC
IRQ
UNIT
Figure 1-1. MC68HC908KX8 MCU Block Diagram
A G R E E M E N T
SERIAL COMMUNICATION INTERFACE
COMPUTER OPERATING PROPERLY
ANALOG-TO-DIGITAL CONVERTER
2-CHANNEL TIMER INTERFACE
PROGRAMMABLE TIME BASE
KEYBOARD INTERRUPT
LOW-VOLTAGE INHIBIT
POWER-ON RESET
INTERNAL BUS
SECURITY
MODULE
MODULE
MODULE
MODULE
MODULE
MODULE
MODULE
MODULE
MODULE
MODULE
BREAK
R E Q U I R E D
PTB5/TxD
PTB6/(OSC1)
PTB0/AD0
PTB1/AD1
PTB2/AD2
PTB3/AD3
PTB4/RxD
PTB7/(OSC2)/RST
PTA0/KBD0
PTA1/KBD1
PTA2/KBD2/TCH0
PTA3/KBD3/TCH1
PTA4/KBD4
(2), (3)
(2), (3)
(2), (3)
(4)
(2), (3)
(2), (3)
(4)