MC705P6ACPE Datasheet, PDF (14/98 Pages) Freescale Semiconductor, Inc – M68HC05 Microcontrollers

General Description
COP
RESET
IRQ/V_PP
CPU CONTROL
ALU
M68HC05 CPU
CPU REGISTERS
ACCUM
INDEX REG
0 0 0 0 0 0 0 0 1 1 STK PNTR
PROGRAM COUNTER
COND CODE REG 1 1 1 H I N Z C
PB5/SDO
PB6/SDI
PB7/SCK
SRAM — 176 BYTES
USER EPROM — 4672 BYTES
BOOTLOADER ROM — 239 BYTES
PORT B AND
SIOP
REGISTERS
AND LOGIC
INTERNAL
CPU CLOCK
÷2
OSC
÷4
16-BIT TIMER
1 INPUT CAPTURE
1 OUTPUT COMPARE
PORT D LOGIC
OSC 1
OSC 2
PD7/TCAP
TCMP
PD5
PC7/VR_EFH
PC6/AD0
PC5/AD1
PC4/AD2
PC3/AD3
PC2
PC1
PC0
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
V_DD
V_SS
Figure 1-1. MC68HC705P6A Block Diagram
NOTE
A line over a signal name indicates an active low signal. For example,
RESET is active high and RESET is active low.
Any reference to voltage, current, or frequency specified in the following
sections will refer to the nominal values. The exact values and their
tolerances or limits are specified in Chapter 14 Electrical Specifications.
MC68HC705P6A Advance Information Data Sheet, Rev. 2.1
14
Freescale Semiconductor