MC908JB16DWE Freescale Semiconductor, MC908JB16DWE Datasheet - Page 126
MC908JB16DWE
Manufacturer Part Number
MC908JB16DWE
Description
IC MCU 16K FLASH 6MHZ USB 28SOIC
Manufacturer
Freescale Semiconductor
Series
HC08r
Specifications of MC908JB16DWE
Core Processor
HC08
Core Size
8-Bit
Speed
6MHz
Connectivity
SCI, USB
Peripherals
LED, LVD, POR, PWM
Number Of I /o
21
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
384 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
28-SOIC (7.5mm Width)
Processor Series
HC08JB
Core
HC08
Data Bus Width
8 bit
Data Ram Size
384 B
Interface Type
I2C/SCI/SPI/USB
Maximum Clock Frequency
12 MHz
Number Of Programmable I/os
21
Number Of Timers
4
Operating Supply Voltage
5.5 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, DEMO908GZ60E, M68EML08GZE, KITUSBSPIDGLEVME, KITUSBSPIEVME, KIT33810EKEVME
Minimum Operating Temperature
0 C
Controller Family/series
HC08
No. Of I/o's
21
Ram Memory Size
384Byte
Cpu Speed
8MHz
No. Of Timers
2
Embedded Interface Type
I2C, SCI, SPI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC908JB16DWE
Manufacturer:
FREESCALE
Quantity:
1 831
Part Number:
MC908JB16DWE
Manufacturer:
FRE/MOT
Quantity:
20 000
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Monitor ROM (MON)
9.4.1 Entering Monitor Mode
Technical Data
126
Notes:
1. PTA3 = 0: Bypasses the divide-by-two prescaler to SIM when using V
2. See
V
V
TST
TST
V
V
DD
DD
(2)
(2)
Section 20. Electrical Specifications
(contain
BLANK
BLANK
$FF)
NOT
X
X
1
1
1
1
Table 9-1. Mode Entry Requirements and Options
Factory use only
Table 9-1
specified in the table, monitor mode may be entered after a POR and will
allow communication at 19200 baud provided one of the following sets
of conditions is met:
X
X
0
1
1. If IRQ = V
2. If $FFFE & $FFFF is blank (contains $FF):
X
X
0
0
– External clock on OSC1 is 12MHz
– PTA3 = high
– PTE3 = high
– External clock on OSC1 is 12MHz
– IRQ = V
– PTE3 = high
1
1
X
X
shows the pin conditions for entering monitor mode. As
for V
X
1
1
1
Monitor ROM (MON)
TST
TST
External Clock,
DD
voltage level requirements.
:
12 MHz
12 MHz
12 MHz
12 MHz
f
XCLK
TST
Frequency,
(f
(f
(f
for monitor mode entry.
12 MHz
XCLK
XCLK
XCLK
(f
6 MHz
6 MHz
6 MHz
f
Bus
XCLK
BUS
÷ 2)
÷ 2)
÷ 2)
)
High-voltage entry to
monitor mode.
38400 baud communication
on PTA0. COP disabled.
High-voltage entry to
monitor mode.
19200 baud communication
on PTA0. COP disabled.
Low-voltage entry to
monitor mode.
19200 baud communication
on PTA0. COP disabled.
Enters user mode.
If $FFFE and $FFFF is
blank, MCU will encounter
an illegal address reset.
MC68HC908JB16
Freescale Semiconductor
Comments
—
Rev. 1.1
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