XC705B32CFNE Freescale Semiconductor, XC705B32CFNE Datasheet - Page 264

• 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

14
Freescale
H-14
Red LED on
N
N
Erase EEPROM1
EPROM erased?
IRQ at 2xV
Green LED on
TCAP1=V
Figure H-3 Modes of operation flow chart (1 of 2)
Red LED off
PD3 set?
PD2 set?
PD1 set?
PD1 set?
Reset
Y
Y
C
N
Y
Y
Y
N
Bootstrap mode
DD
DD
?
?
N
N
N
N
Y
MC68HC705B32
SEC bit active?
SEC bit active?
SEC bit active?
Jump to RAM
PD4 set?
PD2 set?
PD4 set?
Y
($0051)
B
N
N
N
N
N
Y
Y
Y
Y
Y
Non-user mode
User mode
Parallel E/EEPROM bootstrap
Erased EPROM verification
Non-user mode
Red LED on
Red LED on
A
load/execute
Serial RAM
MC68HC05B6
Rev. 4.1