MC908AP64CBE Freescale Semiconductor, MC908AP64CBE Datasheet - Page 85
![IC MCU 64K FLASH 8MHZ 42-SDIP](/photos/12/28/122812/mc908ap64cbe_sml.jpg)
MC908AP64CBE
Manufacturer Part Number
MC908AP64CBE
Description
IC MCU 64K FLASH 8MHZ 42-SDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Specifications of MC908AP64CBE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, IRSCI, SCI, SPI
Peripherals
LED, LVD, POR, PWM
Number Of I /o
30
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
42-DIP (0.600", 15.24mm)
Controller Family/series
HC08
No. Of I/o's
30
Ram Memory Size
2KB
Cpu Speed
8MHz
No. Of Timers
2
Embedded Interface Type
I2C, SCI, SPI
Rohs Compliant
Yes
Processor Series
HC08AP
Core
HC08
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
SCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
32
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Development Tools By Supplier
FSICEBASE, DEMO908AP64E, M68CBL05CE
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Package
42SPDIP
Family Name
HC08
Maximum Speed
8 MHz
Operating Supply Voltage
3.3|5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC908AP64CBE
Manufacturer:
Freescale
Quantity:
135
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Table 6-1
Freescale Semiconductor
5. Select the VCO’s power-of-two range multiplier E, according to this table:
6. Select a VCO linear range multiplier, L, where f
7. Calculate and verify the adequacy of the VCO programmed center-of-range frequency, f
8. Verify the choice of P, R, N, E, and L by comparing f
9. Program the PLL registers accordingly:
center-of-range frequency is the midpoint between the minimum and maximum frequencies
attainable by the PLL.
For proper operation,
operation, f
as possible to f
a. In the PRE bits of the PLL control register (PCTL), program the binary equivalent of P.
b. In the VPR bits of the PLL control register (PCTL), program the binary equivalent of E.
d. In the PLL VCO range select register (PMRS), program the binary coded equivalent of L.
e. In the PLL reference divider select register (PMDS), program the binary coded equivalent of
c. In the PLL multiplier select register low (PMSL) and the PLL multiplier select register high
provides numeric examples (numbers are in hexadecimal notation):
(PMSH), program the binary equivalent of N.
R.
Exceeding the recommended maximum bus frequency or VCO frequency
can crash the MCU.
The values for P, E, N, L, and R can only be programmed when the PLL is
off (PLLON = 0).
VCLK
VCLK.
must be within the application’s tolerance of f
NOTE: Do not program E to a value of 3.
19,660,800 ≤ f
9,830,400 ≤ f
MC68HC908AP Family Data Sheet, Rev. 4
0 < f
Frequency Range
VCLK
f
VRS
L
f
VCLK
VRS
VCLK
=
< 9,830,400
–
round
f
< 19,660,800
< 39,321,600
VCLK
=
NOTE
NOTE
(
L 2
⎛
⎜
⎝
×
--------------------------
2
≤
E
NOM
f
f
--------------------------
E
VCLK
×
NOM
)f
f
NOM
NOM
2
= 125kHz
VCLK
×
⎞
⎟
⎠
2
E
to f
VRS
VCLKDES
and f
E
0
1
2
, and f
VCLKDES
VRS
Functional Description
. For proper
must be as close
VRS
. The
85
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