XC68HC705B32CB Freescale Semiconductor, XC68HC705B32CB Datasheet - Page 27

• Manufacturer Part Number: XC68HC705B32CB
• Description: IC MCU 2.1MHZ 32K OTP 56-DIP
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of XC68HC705B32CB

• 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: 56-SDIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

1.2
The MC68HC05B6 has three mask options that are programmed during manufacture and must
be specified on the order form.
•
•
•
Warning: It is recommended that an external clock is always used if t
MC68HC05B6
Rev. 4.1
Power-on-reset delay (t
Automatic watchdog enable/disable following a power-on or external reset
Watchdog enable/disable during WAIT mode
will prevent any problems arising with oscillator stability when the device is put into
STOP mode.
RESET
PD0/AN0
PD1/AN1
PD2/AN2
PD3/AN3
PD4/AN4
PD5/AN5
PD6/AN6
PD7/AN7
Mask options for the MC68HC05B6
VDD
OSC2
OSC1
VSS
VPP1
IRQ
VRH
VRL
PORL
Figure 1-1 MC68HC05B6 block diagram
COP watchdog
Charge pump
A/D converter
÷
256 bytes
EEPROM
Oscillator
2 /
8-bit
) = 16 or 4064 cycles
÷
M68HC05
32
CPU
INTRODUCTION
(including 14 bytes
self check ROM
programmable
User vectors)
5950 bytes
User ROM
176 bytes
432 bytes
16-bit
timer
RAM
PLM
SCI
PORL
is set to 16 cycles. This
PC0
PC1
PC2/ECLK
PC3
PC4
PC5
PC6
PC7
TCMP1
TCMP2
TCAP1
TCAP2
RDI
SCLK
TDO
PLMA D/A
PLMB D/A
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
Freescale
1-3
1