XC68HC705B32CFN Freescale Semiconductor, XC68HC705B32CFN Datasheet - Page 253

• Manufacturer Part Number: XC68HC705B32CFN
• Description: IC MCU 2.1MHZ 32K OTP 52-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of XC68HC705B32CFN

• Core Processor: HC05
• Core Size: 8-Bit
• Speed: 2.1MHz
• Connectivity: SCI
• Peripherals: POR, WDT
• Number Of I /o: 32
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: OTP
• Eeprom Size: 256 x 8
• Ram Size: 528 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x8b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 52-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

The MC68HC705B32 is an EPROM version of the MC68HC05B32, with the ROM replaced by a
similar amount of EPROM. The entire MC68HC05B6 data sheet applies to the MC68HC705B32,
with the exceptions outlined in this appendix.
H.1
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•
•
•
•
•
•
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Note:
MC68HC05B6
Rev. 4.1
31246 bytes user EPROM
No page zero EPROM at $20–$4F
528 bytes of RAM
638 bytes bootstrap ROM instead of 432 bytes of self-check ROM
Simultaneous programming of EPROM with up to 16 bytes of different data
-40 to +85°C operating temperature range (extended)
52-pin PLCC, 56-pin SDIP and 64-pin QFP packages
High speed version not available
The electrical characteristics from the MC68HC05B6 data sheet should not be used for
the MC68HC705B32. Data specific to this device can be found in
Section
Features
H.9.
MC68HC705B32
Section H.7
Freescale
and
H-3
14