mc68hc11d0cfn2 Freescale Semiconductor, Inc, mc68hc11d0cfn2 Datasheet - Page 138

• Manufacturer Part Number: mc68hc11d0cfn2
• Description: M68hc11 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

MC68HC11D3 and MC68HC11D0
A.2 Block Diagram
Data Sheet
138
MODA/LIR
EV
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
V
V
DD
SS
SS
MODE CONTROL
MODB/V
DATA DIRECTION REGISTER B
PORT A
STBY
PORT B
RESET
Freescale Semiconductor, Inc.
MULTIPLEXED ADDRESS/DATA BUS
Figure A-1. MC68HC11D3 Block Diagram
For More Information On This Product,
PAI/OC1
OC2/OC1
OC3/OC1
OC4/OC1
IC4/OC5/OC1
IC1
IC2
IC3
INTERRUPT CONTROL
MC68HC11D3
MC68HC11D3 and MC68HC11D0
CPU CORE
PULSE ACCUMULATOR
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IRQ
XIRQ
DATA DIRECTION REGISTER C
TIMER
PERIODIC INTERRUPT
XTAL EXTAL
PORT C
OSCILLATOR
CLOCK LOGIC
COP
E
SERIAL
PERIPHERAL
INTERFACE
(SPI)
DATA DIRECTION REGISTER D
MC68HC11D3 — 4 KBYTES ROM
MC68HC11D0 — 0 BYTES ROM
PORT D
192 BYTES RAM
MC68HC711D3 — Rev. 2
COMMUNICATIONS
TxD
INTERFACE
MOTOROLA
SERIAL
RxD
(SCI)