MC68HC908QY2 MOTOROLA [Motorola, Inc], MC68HC908QY2 Datasheet - Page 29

• Manufacturer Part Number: MC68HC908QY2
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

N O N - D I S C L O S U R E
PTA4/OSC2/AD2/KBI4
PTA5/OSC1/AD3/KBI5
PTA0/AD0/TCH0/KBI0
PTA1/AD1/TCH1/KBI1
PTA3/RST/KBI3
PTA2/IRQ/KBI2
RST, IRQ: Pins have internal (about 30K Ohms) pull up
PTA[0:5]: High current sink and source capability
PTA[0:5]: Pins have programmable keyboard interrupt and pull up
PTB[0:7]: Not available on 8-pin devices – MC68HC908QT1, MC68HC908QT2, and MC68HC908QT4
128 BYTES RAM
CONDITION CODE REGISTER
CPU REGISTERS
CPU CONTROL
Figure 1-1. Block Diagram
MC68HC908QY2, MC68HC908QY1, MC68HC908QT2,
MC68HC908QY4 AND MC68HC908QT4: 4096 BYTES
A G R E E M E N T
PROGRAM COUNTER
68HC08 CPU
STACK POINTER
PTB[0:7]
AND MC68HC908QT1: 1536 BYTES
DDRB
PTB
V 1 1
USER FLASH
INDEX REGISTER
ACCUMULATOR
ALU
H
I N Z C
R E Q U I R E D
SYSTEM INTEGRATION
SINGLE INTERRUPT
POWER-ON RESET
POWER SUPPLY
TIMER MODULE
MONITOR ROM
GENERATOR
MODULE
MODULE
MODULE
MODULE
MODULE
CLOCK
BREAK
16-BIT
COP
V
V
DD
SS