DF61654N50FTV Renesas Electronics America, DF61654N50FTV Datasheet - Page 747

• Manufacturer Part Number: DF61654N50FTV
• Description: IC H8SX/1654 MCU FLASH 120TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

Specifications of DF61654N50FTV

• Core Processor: H8SX
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: I²C, IrDA, SCI, SmartCard, USB
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 75
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 40K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 120-TQFP, 120-VQFP
• For Use With: HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)3DK1657 - DEV EVAL KIT FOR H8SX/1657
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

15.9
1. USB Transceiver
2. D+ Pull-Up Control
3. Detection of USB Cable Connection/Disconnection
This module supports the on-chip transceiver only, not the external transceiver.
The general output port (PM4) is used for D+ pull-up control pin. The PM4 pin is driven high
by the PULLUP_E bit of DMA when the USB cable VBUS is connected.
Thus, USB host/hub connection notification (D+ pill-up) is enabled.
As USB states, etc., are managed by hardware in this module, a VBUS signal that recognizes
connection/disconnection is necessary. The power supply signal (VBUS) in the USB cable is
used for this purpose. However, if the cable is connected to the USB host/hub when the
function (system installing this LSI) power is off, a voltage (5 V) will be applied from the USB
host/hub. Therefore, an IC (such as an HD74LV1G08A or 2G08A) that allows voltage
application when the system power is off should be connected externally.
Vcc
External pull-up
control circuit
supporting full-speed
Example of USB External Circuitry
Notes:
PM4
USB
Vcc
*
1.
2.
3.
2
Figure 15.22 Example of Circuitry in Bus Power Mode
Reduce voltage to the operating voltage of this LSI (3.3 V).
To protect this LSI from being damaged, use the IC (such as HD74LV-A Series) which can
be applied voltage even when the system power is turned off.
Prevent noise from the VBUS pin while the USB is performing communication.
PULLUP_E
(3.3 V)
Vcc
1.5 k
VBUS*
3
Regulator*
DrVCC
(3.3 V)
Vcc
(3.3 V)
VBUS
(5 V)
1
USD+
On-chip transceiver
D+
USB connector
USD-
Rev.1.00 Sep. 08, 2005 Page 697 of 966
Section 15 USB Function Module (USB)
D-
DrVSS
GND
Vss
REJ09B0219-0100