MC68HC705X32CFU Freescale Semiconductor, MC68HC705X32CFU Datasheet - Page 34

• Manufacturer Part Number: MC68HC705X32CFU
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC705X32CFU

• Cpu Family: HC05
• Device Core Size: 8b
• Frequency (max): 4MHz
• Interface Type: SCI
• Program Memory Type: EPROM
• Program Memory Size: 32KB
• Total Internal Ram Size: 528Byte
• # I/os (max): 32
• Number Of Timers - General Purpose: 1
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• On-chip Adc: 8-chx8-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: PQFP
• Lead Free Status / Rohs Status: Supplier Unconfirmed

2
2.2.3.1
SM — Slow mode
The SM bit is cleared by external or power-on reset. The SM bit is automatically cleared when
entering STOP mode.
Note:
1 (set)
0 (clear) –
Miscellaneous
The bits shown shaded in the above representation are explained individually in the
relevant sections of this manual. The complete register plus an explanation of each bit
can be found in
(bit 1, $000C)
Note:
SM–bit
OSC1
Miscellaneous register
pin
–
Freescale Semiconductor, Inc.
/64, /128 or /160). SLOW mode affects all sections of the device
(including SCI, A/D and timer) except for the MCAN module.
The system runs at a bus speed 16 times lower than normal (f
The system runs at normal bus speed (f
MODES OF OPERATION AND PIN DESCRIPTIONS
Oscillator
The MCAN module clock is unaffected during SLOW mode.
Figure 2-5 Slow mode divider block diagram
For More Information On This Product,
Section
Address
$000C
OSC2
pin
Go to: www.freescale.com
3.8.
POR
bit 7
MCAN
Control logic
f
OSC
2
INTP
bit 6
INTN
bit 5
8 and 10
2, 4,
INTE
bit 4
OSC
bit 3
SFA
/2, /4, /8 or /10).
bit 2
SFB
bit 1
SM
Main internal clock
16
MC68HC05X16
OSC
WDOG u001 000u
bit 0
/32,
on reset
State
Rev. 1