XC705B32CFNE Freescale Semiconductor, XC705B32CFNE Datasheet - Page 95

• Manufacturer Part Number: XC705B32CFNE
• Description: IC MCU 2.1MHZ 32K OTP 52-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of XC705B32CFNE

• 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: Lead free / RoHS Compliant

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
MC68HC05B6
Rev. 4.1
PLMA
D/A
pin
PULSE LENGTH D/A CONVERTERS
Zero detector
SFA
bit
Latch
R
S
Figure 7-1 PLM system block diagram
PULSE LENGTH D/A CONVERTERS
comparator
multiplexer
‘A’ register
register
PLMA
buffer
‘A’
‘A’
16
8
8
Data bus
7
comparator
multiplexer
16
‘B’ register
8
8
register
PLMB
buffer
‘B’
‘B’
Figure
Timer bus
Zero detector
Latch
7-1.)
R
S
SFB
bit
PLMB
From timer
Freescale
D/A
pin
7-1
7