MC908JB8ADWE Freescale Semiconductor, MC908JB8ADWE Datasheet - Page 125

• Manufacturer Part Number: MC908JB8ADWE
• Description: IC MCU 3MHZ 8K FLASH 28-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908JB8ADWE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 3MHz
• Connectivity: USB
• Peripherals: LVD, POR, PWM
• Number Of I /o: 21
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 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: 256 B
• Interface Type: USB
• Maximum Clock Frequency: 3 MHz
• Number Of Programmable I/os: 37
• Number Of Timers: 2
• Operating Supply Voltage: 5.25 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: 256Byte
• Cpu Speed: 8MHz
• No. Of Timers: 1
• Embedded Interface Type: 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

9.5.1 USB Protocol
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
Freescale Semiconductor
ENDPOINT 0 TRANSACTIONS:
Control Write
ENDPOINTS 1 & 2 TRANSACTIONS:
Interrupt
Bulk Transmit
Control Read
No-Data Control
SETUP
SETUP
SETUP
IN
IN
DATA0
DATA0
DATA0
Figure 9-3. Supported Transaction Types Per Endpoint
OUT
IN
Figure 9-3
module. The transactions are portrayed as error free. The effect of errors
in the data flow are discussed later.
DATA0/1
DATA0/1
DATA0
DATA0
ACK
ACK
ACK
Universal Serial Bus Module (USB)
shows the various transaction types supported by the USB
ACK
ACK
ACK
ACK
OUT
IN
IN
DATA1
DATA1
DATA1
OUT
OUT
IN
IN
Universal Serial Bus Module (USB)
KEY:
DATA0/1
DATA0/1
DATA1
DATA1
ACK
ACK
ACK
Functional Description
Unrelated Bus
Traffic
Host
Generated
Device
Generated
ACK
ACK
ACK
ACK
Technical Data
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