MC68HC908JB16DW Freescale Semiconductor, MC68HC908JB16DW Datasheet - Page 205

• Manufacturer Part Number: MC68HC908JB16DW
• Description: IC MCU 16K FLASH 6MHZ USB 28SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908JB16DW

• 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)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

11.9.1.3 Transmit Endpoint 1
MC68HC908JB16
Freescale Semiconductor
—
Rev. 1.1
For an IN transaction directed at endpoint 1, the USB module will
generate an interrupt by setting the TXD1F in the UIR1 register. The
conditions necessary for the interrupt to occur are shown in
Figure
TRANSMIT ENDPOINT READY TO TRANSFER?
(TX1E = 1) AND (TXD1F = 0) AND (UE1TR = 0)
TRANSMIT ENDPOINT NOT STALLED
TRANSMIT ENDPOINT ENABLED?
TIMEOUT CONDITION OCCURS?
Figure 11-32. IN Token Data Flow for Transmit Endpoint 1
BY FIRMWARE (STALL1 = 1)?
RECEIVED FOR ENDPOINT 1
INTERRUPT GENERATED
USB MODULE ENABLED?
DATA PID SET BY T1SEQ
ACK RECEIVED AND NO
INTERRUPT ENABLED?
VALID TRANSACTION
TRANSMIT ENDPOINT
11-32.
VALID IN TOKEN
SET TXD1F TO 1
Universal Serial Bus Module (USB)
(ENABLE = 1)
(USBEN = 1)
(TXD1IE = 1)
SEND DATA
Y
Y
Y
Y
Y
Y
Y
N
N
N
N
N
N
FROM USB FUNCTION
FROM USB FUNCTION
FROM USB FUNCTION
Universal Serial Bus Module (USB)
NO RESPONSE
NO RESPONSE
NO RESPONSE
HANDSHAKE
HANDSHAKE
SEND STALL
SEND NAK
Technical Data
NO INTERRUPT
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