Description:The SH7619 Group is supported only for customers who have already adopted these products. The RX Family or RZ Family are recommended for new designs.
16 KILOBYTES OF U MEMORY, 2 KILOBYTES OF BUFFER RAM
Address Bus Width:
26
Bit Size:
32
Boundary Scan:
YES
CPU Family:
SUPERH
Clock Frequency-Max:
25 MHz
DAC Channels:
NO
DMA Channels:
YES
External Data Bus Width:
32
Format:
FIXED POINT
Integrated Cache:
YES
JESD-30 Code:
S-PBGA-B176
Length:
13 mm
Low Power Mode:
YES
Number of DMA Channels:
4
Number of External Interrupts:
9
Number of I/O Lines:
78
Number of Serial I/Os:
4
Number of Terminals:
176
Number of Timers:
1
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-20 °C
PWM Channels:
NO
Package Body Material:
PLASTIC/EPOXY
Package Code:
LFBGA
Package Equivalence Code:
BGA176,15X15,32
Package Shape:
SQUARE
Package Style:
GRID ARRAY, LOW PROFILE, FINE PITCH
ROM (words):
0
Seated Height-Max:
1.4 mm
Speed:
125 MHz
Supply Current-Max:
300 mA
Supply Voltage-Max:
1.89 V
Supply Voltage-Min:
1.71 V
Supply Voltage-Nom:
1.8 V
Surface Mount:
YES
Technology:
CMOS
Terminal Form:
BALL
Terminal Pitch:
0.8 mm
Terminal Position:
BOTTOM
Width:
13 mm
uPs/uCs/Peripheral ICs Type:
MICROCONTROLLER, RISC
DS76191N125BGV Frequently Asked Questions (FAQs)
Renesas provides a recommended PCB layout guide in their application note (APN) documents, which includes thermal design considerations, such as thermal vias, copper pours, and component placement. It's essential to follow these guidelines to ensure optimal thermal performance and prevent overheating.
The DS76191N125BGV has an internal overcurrent protection (OCP) feature, but it's not enabled by default. To implement OCP, you need to connect an external resistor (R_OCP) between the OCP pin and GND, and set the OCP threshold using the I2C interface. Refer to the datasheet and application notes for specific implementation details.
The maximum allowed voltage on the VCC pin during power-up and power-down sequences is 4.5V. Exceeding this voltage may cause damage to the device. It's essential to ensure that the power supply voltage ramps up and down slowly and within the specified limits to prevent damage.
To troubleshoot I2C interface issues, start by verifying the I2C bus voltage levels, clock frequency, and signal integrity. Use an oscilloscope or logic analyzer to monitor the SCL and SDA lines. Check for bus contention, clock stretching, and acknowledge errors. Also, ensure that the I2C slave address is correctly set and that there are no conflicts with other devices on the bus.
The recommended operating temperature range for the DS76191N125BGV is -40°C to 125°C. However, the device can operate up to 150°C for short periods during power-up and power-down sequences. It's essential to ensure that the device operates within the recommended temperature range to maintain reliability and prevent thermal damage.
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DS76191N125BGV Overview
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