R4F24568NVFQV Renesas Electronics America, R4F24568NVFQV Datasheet - Page 1041
![MCU 128KKB FLASH 48K 144-LQFP](/photos/28/61/286117/144-lqfp__plqp0144ka-a_sml.jpg)
R4F24568NVFQV
Manufacturer Part Number
R4F24568NVFQV
Description
MCU 128KKB FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Specifications of R4F24568NVFQV
Core Processor
H8S/2600
Core Size
16/32-Bit
Speed
32MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SSU, UART/USART, USB
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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H8S/2456, H8S/2456R, H8S/2454 Group
16.7.3
When a stall setting is made with the Set Feature command, or in the event of a USB specification
violation, the USB function module automatically sets the internal status bit for the relevant
endpoint without regard to the EPSTL register, and returns a stall handshake (1-1 in figure 16.20).
Once an internal status bit is set, it remains set until cleared by a Clear Feature command from the
host, without regard to the EPSTL register. After a bit is cleared by the Clear Feature command,
EPSTL is referenced (3-1 in figure 16.20). The USB function module continues to return a stall
handshake while the internal status bit is set, since the internal status bit is set even if a transaction
is executed for the corresponding endpoint (2-1 and 2-2 in figure 16.20). To clear a stall, therefore,
the internal status bit must be cleared with a Clear Feature command (3-1 in figure 16.20). If set
by the application, EPSTL should also be cleared (2-1 in figure 16.20).
REJ09B0467-0350 Rev. 3.50
Jul 07, 2010
(1) Transition from normal operation to stall
(2) When transaction is performed when internal status bit is set, and Clear Feature is sent
(3) When Clear Feature is sent before transaction is performed
Automatic Stall by USB Function Module
(2-2)
(1-1)
(2-1)
(3-1)
STALL handshake
Transaction request
STALL handshake
Clear Feature command
Figure 16.20 Automatic Stall by USB Function Module
Internal status bit
Internal status bit
Internal status bit
Internal status bit
0 → 1
1 → 0
1
1
Stall status maintained
Normal status restored
To (2-1) or (3-1)
EPSTL
EPSTL
EPSTL
EPSTL
0
0
0
0
Section 16 USB Function Module (USB)
1. In case of USB
1. EPSTL cleared to 0
2. IN/OUT token
3. Internal status bit
4. EPSTL not
5. Internal status bit
1. Transmission of
1. Internal status bit
2. EPSTL not changed
specification
violation, etc., USB
function module
stalls endpoint
automatically
by application
received from host
already set to 1
referenced
not changed
STALL handshake
cleared to 0
Page 1011 of 1392
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