MC68HC908JB8JP Freescale Semiconductor, MC68HC908JB8JP Datasheet - Page 158
MC68HC908JB8JP
Manufacturer Part Number
MC68HC908JB8JP
Description
IC MCU FLASH 8BIT 8K 20-DIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908JB8JDWE.pdf
(286 pages)
Specifications of MC68HC908JB8JP
Core Processor
HC08
Core Size
8-Bit
Speed
3MHz
Connectivity
USB
Peripherals
LVD, POR, PWM
Number Of I /o
13
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
20-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
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Manufacturer
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Price
Company:
Part Number:
MC68HC908JB8JP
Manufacturer:
MOT
Quantity:
6 246
Part Number:
MC68HC908JB8JP
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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Universal Serial Bus Module (USB)
9.9.1.1 Receive Control Endpoint 0
Technical Data
158
For a control OUT transaction directed at endpoint 0, the USB module
will generate an interrupt by setting the RXD0F flag in the UIR0 register.
The conditions necessary for the interrupt to occur are shown in the
flowchart in
ENDPOINT 0 RECEIVE READY TO RECEIVE?
ENDPOINT 0 RECEIVE NOT STALLED?
RECEIVE CONTROL ENDPOINT
Figure 9-29. OUT Token Data Flow for Receive Endpoint 0
RECEIVED FOR ENDPOINT 0?
ERROR FREE DATA PACKET?
RECEIVED FOR ENDPOINT 0
(RX0E = 1) AND (RXD0F = 0)
INTERRUPT GENERATED
USB MODULE ENABLED?
INTERRUPT ENABLED?
SET/CLEAR R0SEQ BIT
VALID TRANSACTION
VALID DATA TOKEN
VALID OUT TOKEN
SET RXD0F TO 1
Universal Serial Bus Module (USB)
ACCEPT DATA
(OSTALL0 = 0)
(RXD0IE = 1)
(USBEN = 1)
Figure
Y
Y
Y
Y
Y
Y
Y
9-29.
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
N
N
N
N
N
N
IGNORE TRANSACTION
FROM USB FUNCTION
FROM USB FUNCTION
NO RESPONSE FROM
USB FUNCTION
NO RESPONSE
NO RESPONSE
SEND STALL
HANDSHAKE
HANDSHAKE
SEND NAK
TIMEOUT
Freescale Semiconductor
NO INTERRUPT
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