MC68HC908AP8CB Freescale Semiconductor, MC68HC908AP8CB Datasheet - Page 118
MC68HC908AP8CB
Manufacturer Part Number
MC68HC908AP8CB
Description
IC MCU 8K FLASH 8MHZ 42SDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908AP8CFBE.pdf
(324 pages)
Specifications of MC68HC908AP8CB
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, IRSCI, SCI, SPI
Peripherals
LED, LVD, POR, PWM
Number Of I /o
32
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
1K 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)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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V
V
1. PTA0 = 1 if serial communication; PTA0 = 0 if parallel communication
2. External clock is derived by a 32.768kHz crystal or a 4.9152/9.8304MHz off-chip oscillator.
3. Monitor mode entry by IRQ1= V
IRQ1
GND
GND
GND
TST
TST
V
V
V
or
X
or
DD
DD
DD
passed.
(3)
(3)
GND
V
V
V
V
RST
V
V
V
V
V
or
TST
or
TST
TST
or
TST
DD
DD
DD
DD
DD
Not Blank
Address
"$FFFF"
"$FFFF"
"$FFFF"
$FFFE/
$FFFF
Blank
Blank
Blank
X
X
X
PTA2
X
X
X
X
X
0
0
Table 8-1. Monitor Mode Signal Requirements and Options
TST
PTA1
, a 4.9152/9.8304 MHz off-chip oscillator must be used. The MCU internal crystal oscillator circuit is by-
X
X
X
X
X
1
1
PTA0
(1)
X
X
X
1
1
1
1
PTB0
X
X
X
X
X
0
1
External
Clock
4.9152
9.8304
9.8304
32.768
MHz
MHz
MHz
kHz
X
X
X
(2)
Frequency
2.4576
2.4576
2.4576
2.4576
MHz
MHz
MHz
MHz
Bus
—
—
0
OFF
OFF
OFF
OFF
OFF
PLL
ON
X
Disabled
Disabled
Disabled
Disabled
Disabled
Enabled
Enabled
COP
Baud
Rate
9600
9600
9600
9600
—
—
0
No operation until
reset goes high
PTA1 and PTA2
voltages only
required if
IRQ1 = V
PTB0 determines
frequency divider
PTA1 and PTA2
voltages only
required if
IRQ1 = V
PTB0 determines
frequency divider
External frequency
always divided by 4
PLL enabled
(BCS set)
in monitor mode
Enters user
mode — will
encounter an illegal
address reset
Enters user mode
Comment
TST
TST
;
;
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