MC68HC705B16CFN Freescale Semiconductor, MC68HC705B16CFN Datasheet - Page 257

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MC68HC705B16CFN

Manufacturer Part Number
MC68HC705B16CFN
Description
IC MCU 2.1MHZ 15K OTP 52-PLCC
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet

Specifications of MC68HC705B16CFN

Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI
Peripherals
POR, WDT
Number Of I /o
32
Program Memory Size
15KB (15K x 8)
Program Memory Type
OTP
Eeprom Size
256 x 8
Ram Size
352 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
52-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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H.2
When using an external clock the OSC1 and OSC2 pins should be driven in antiphase (see
Figure
external clock input. The equivalent specification of the external clock source should be used in
lieu of t
H.3
When the oscillator is running in a stable condition, the MCU is reset when a logic zero is applied
to the RESET input for a minimum period of 3.0 machine cycles (t
05B4, 705B5, 05B8, 05B16, 705B16 and the 05B32, which require 1.5 t
see
H.4
The MC68HC705B32 memory map is given in
of EPROM. 14 bytes are used for the reset and interrupt vectors from address $7FF2 to $7FFF.
The main EPROM block of 31232 bytes is located from $0400 to $7DFF. One byte of EPROM is
used as an options register and is located at address $7FDE.
The EPROM array is supplied by the VPP6 pin in both read and program modes. Typically the
user’s software will be loaded into a programming board where V
bootstrap loader routines. It will then be placed in an application where no programming occurs.
In this case the VPP6 pin should be hardwired to V
Warning: A minimum V
MC68HC05B6
Rev. 4.1
Section
D-2). The t
OXOV
power-on. Failure to do so could result in permanent damage to the device. Unless
otherwise stated, EPROM programming is guaranteed at ambient (25°C) temperature
only.
9.1.3.
or t
External clock
RESET pin
EPROM
ILCH
OXOV
.
or t
DD
ILCH
voltage must be applied to the VPP6 pin at all times, including
specifications (see
MC68HC705B32
Figure
DD
Section
.
H-2. The device has a total of 31246 bytes
H.9) do not apply when using an
CYC
PP6
). This differs from the 05B6,
is controlled by one of the
CYC
. For more information
Freescale
H-7
14

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