MC68HC705B16CFN Freescale Semiconductor, MC68HC705B16CFN Datasheet - Page 163

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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
MC68HC705B5
The MC68HC705B5 is a device similar to the MC68HC05B6, but with the 6 kbytes ROM and 256
bytes EEPROM replaced by a single EPROM array. In addition, the self-check routines available
on the MC68HC05B6 are replaced by bootstrap firmware. The MC68HC705B5 is intended to
operate as a one time programmable (OTP) version of the MC68HC05B6 without EEPROM or the
MC68HC05B4, meaning that the application program can never be erased once it has been
loaded into the EPROM. The entire MC68HC05B6 data sheet applies to the MC68HC705B5, with
the exceptions outlined in this appendix.
C.1
Features
6206 bytes EPROM (including 14 bytes User vectors)
No EEPROM
Bootstrap firmware
Simultaneous programming of up to 4 bytes
Data protection for program code
Optional pull-down resistors on port B and port C
MC68HC05B6 mask options are programmable using control bits held in the options register
52-pin PLCC and 56-pin SDIP packages
High speed version not available
MC68HC05B6
Rev. 4.1
C
MC68HC705B5
14
Freescale
C-1

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