MC908JB8ADWE Freescale Semiconductor, MC908JB8ADWE Datasheet - Page 160

IC MCU 3MHZ 8K FLASH 28-SOIC

MC908JB8ADWE

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

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

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Universal Serial Bus Module (USB)
9.9.1.2 Transmit Control Endpoint 0
Technical Data
160
For a control IN transaction directed at endpoint 0, the USB module will
generate an interrupt by setting the TXD0F flag in the UIR1 register. The
conditions necessary for the interrupt to occur are shown in the flowchart
in
TRANSMIT ENDPOINT READY TO TRANSFER?
Figure
TRANSMIT ENDPOINT NOT STALLED
TIMEOUT CONDITION OCCURS?
BY FIRMWARE (ISTALL0 = 0)?
RECEIVED FOR ENDPOINT 0
(TX0E = 1) AND (TXD0F = 0)
Figure 9-31. IN Token Data Flow for Transmit Endpoint 0
INTERRUPT GENERATED
USB MODULE ENABLED?
DATA PID SET BY T0SEQ
ACK RECEIVED AND NO
INTERRUPT ENABLED?
TRANSMIT ENDPOINT
VALID TRANSACTION
VALID IN TOKEN
SET TXD0F TO 1
Universal Serial Bus Module (USB)
9-31.
(TXD0IE = 1)
(USBEN = 1)
SEND DATA
Y
Y
Y
Y
Y
Y
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
N
N
N
N
N
FROM USB FUNCTION
FROM USB FUNCTION
NO RESPONSE
NO RESPONSE
SEND STALL
HANDSHAKE
HANDSHAKE
SEND NAK
Freescale Semiconductor
NO INTERRUPT

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