mc68hc705v12 Freescale Semiconductor, Inc, mc68hc705v12 Datasheet - Page 234

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mc68hc705v12

Manufacturer Part Number
mc68hc705v12
Description
M68hc05-based Mcu Hc05 Freescale Semiconductor
Manufacturer
Freescale Semiconductor, Inc
Datasheet
Electrical Specifications
17.7 Control Timing
Advance Information
Frequency of operation
Internal operating frequency
Cycle time (1/f
Crystal oscillator startup time (crystal oscillator option)
Stop recovery startup time (crystal oscillator option)
RESET pulse width low
Interrupt pulse width low (edge-triggered)
Interrupt pulse period
Port C interrupt pulse width high (edge-triggered)
Port C interrupt pulse period
OSC1 pulse width
EPROM programming time per byte
EEPROM programming time per byte
EEPROM erase time per byte
EEPROM erase time per block
EEPROM bulk erase time
EEPROM programming voltage discharge period
RC oscillator stabilization time
16-bit timer
1. V
2. The minimum period, t
3. The 2-bit timer prescaler is the limiting factor in determining timer resolution.
4. The minimum period, t
Crystal oscillator option
External clock source
Crystal (f
External clock (f
See
Resolution
Input capture pulse width
Input capture period
routine plus 19 t
routine plus 24 t
DD
Figure 5-2. Reset and POR Timing
= 5.0 Vdc, V
OSC
(3)
OP
/2)
)
CYC
CYC
OSC
SS
= 0 Vdc, T
.
.
(2)
(4)
Characteristic
/2)
TLTL
ILIL
or t
,
should not be less than the number of cycles it takes to execute the capture interrupt service
(2)
IHIH,
A
Freescale Semiconductor, Inc.
= –40 C to +85 C, unless otherwise noted.
For More Information On This Product,
should not be less than the number of cycles it takes to execute the interrupt service
(1)
Go to: www.freescale.com
Diagram.
Electrical Specifications
Symbol
t
t
EBLOCK
t
t
t
t
EEPGM
t
t
t
EBULK
t
TH, tTL
OXON
t
EPGM
RCON
t
f
t
t
OSC1
EBYT
t
RESL
t
t
ILCH
t
TLTL
OSC
f
CYC
t
IHIH
ILIH
ILHI
FPV
ILIL
OP
RL
Note 2
Note 2
Note 4
Min
476
120
120
120
0.1
4.0
90
10
10
10
10
85
MC68HC705V12
dc
dc
4
Max
10.0
100
100
4.2
4.2
2.1
2.1
__
__
__
5
Rev. 3.0
MHz
MHz
Unit
t
t
t
t
t
CYC
CYC
CYC
CYC
CYC
ms
ms
ms
ms
ms
ms
ms
ns
ns
ns
ns
ns
ns
s

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