MC68HC705B16CFN Freescale Semiconductor, MC68HC705B16CFN Datasheet - Page 95

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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
PULSE LENGTH D/A CONVERTERS
The pulse length D/A converter (PLM) system works in conjunction with the timer to execute two
8-bit D/A conversions, with a choice of two repetition rates. (See
PLMA
R
D/A
Latch
pin
S
Zero detector
SFA
bit
Figure 7-1 PLM system block diagram
MC68HC05B6
PULSE LENGTH D/A CONVERTERS
Rev. 4.1
7
Figure
Data bus
8
8
PLMA
PLMB
register
register
‘A’ register
‘B’ register
buffer
buffer
‘A’
‘B’
comparator
comparator
8
8
‘A’
‘B’
multiplexer
multiplexer
16
16
Timer bus
7-1.)
R
PLMB
D/A
Latch
pin
S
Zero detector
SFB
bit
From timer
Freescale
7-1
7

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