MC68HC705B16CFN Freescale Semiconductor, MC68HC705B16CFN Datasheet - Page 27

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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

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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

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