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68HC05JB3 Datasheet(PDF) 15 Page - Freescale Semiconductor, Inc

Part # 68HC05JB3
Description  8-bit microcontroller units (MCUs)
PDF  134 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

68HC05JB3 Datasheet(HTML) 15 Page - Freescale Semiconductor, Inc

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November 5, 1998
GENERAL RELEASE SPECIFICATION
MC68HC05JB3
GENERAL DESCRIPTION
MOTOROLA
REV 1
1-3
Figure 1-1. MC68HC05JB3 Block Diagram
144 Bytes RAM
2560 Bytes EPROM
Low Speed
USB
16-bit Timer
Core
TImer
OSC
÷2
RESET
and
IRQ
LVR
VREF
POWER
SUPPLY
CPU CONTROL
ALU
68HC05 CPU
ACCUM
INDEX REG.
CPU REGISTERS
PROGRAM COUNTER
COND CODE REG.
0
0
0
0
000
11 STK PNTR
0
111H I N Z C
PA0x
PA1x
PA2x
PA3x
PA4y
PA5y
PA6y
PA7y
VDD
VSS
3.3V
RESET
IRQ
TCAPŽ
D+
D–
OSC1
OSC2
y: 8mA current sink capability and optical interface
: 25mA current sink, open-drained
x: External edge interrupt capability,
with internal pull-up, slow transition O/P
Ž: PB0 is shared with TCAP
with Schmitt trigger input and optical interface
PB0Ž
PB1
PB2
PB4
PB5
PB6
PB7
PC0
†
PC1
PC2
PC3
: Pins available in 28-pin package only
†: PC0 shared with OCMP
OCMP
†
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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