R5F61668MZN50FPV Renesas Electronics America, R5F61668MZN50FPV Datasheet - Page 1020
R5F61668MZN50FPV
Manufacturer Part Number
R5F61668MZN50FPV
Description
MCU FLASH 1024K ROM 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R5F61668MZN50FPV.pdf
(1416 pages)
Specifications of R5F61668MZN50FPV
Core Processor
H8SX
Core Size
16/32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
92
Program Memory Size
1MB (1M x 8)
Program Memory Type
FLASH
Ram Size
56K 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
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Section 20 USB Function Module (USB)
20.9
1. USB Transceiver
2. D+ Pull-Up Control
3. Detection of USB Cable Connection/Disconnection
Rev. 1.00 Jan. 29, 2010 Page 988 of 1380
REJ09B0596-0100
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.
Example of USB External Circuitry
Vcc
External pull-up
control circuit
supporting full-speed
Notes:
PM4
USB
Vcc
Figure 20.24 Example of Circuitry in Bus Power Mode
*
1.
2.
3.
2
Reduce voltage to the operating voltage Vcc (3.3 V) of this LSI.
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 kΩ
VBUS*
3
Regulator*
DrVcc
(3.3 V)
Vcc
(3.3 V)
VBUS
(5 V)
1
USD+
On-chip transceiver
D+
USB connector
USD-
D-
DrVss
GND
Vss
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