UPD70F3451GC-UBT-A Renesas Electronics America, UPD70F3451GC-UBT-A Datasheet - Page 871
UPD70F3451GC-UBT-A
Manufacturer Part Number
UPD70F3451GC-UBT-A
Description
MCU 32BIT 128KB FLASH 80LQFP
Manufacturer
Renesas Electronics America
Series
V850E/Ix3r
Datasheet
1.UPD70F3451GC-UBT-A.pdf
(1191 pages)
Specifications of UPD70F3451GC-UBT-A
Core Processor
RISC
Core Size
32-Bit
Speed
64MHz
Connectivity
CSI, I²C, UART/USART
Peripherals
DMA, LVD, PWM, WDT
Number Of I /o
44
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3.5 V ~ 5.5 V
Data Converters
A/D 10x12b, 4x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Company:
Part Number:
UPD70F3451GC-UBT-A
Manufacturer:
Renesas Electronics America
Quantity:
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(4) IIC clock select register 0 (IICCL0)
After reset: 00H
Condition for clearing (CLD0 bit = 0)
• When the SCL pin is at low level
• When the IICE0 bit = 1 → 0 (operation stop)
• Reset
Condition for clearing (DAD0 bit = 0)
• When the SDA pin is at low level
• When the IICE0 bit = 1 → 0 (operation stop)
• Reset
Digital filter can be used only in high-speed mode.
In high-speed mode, the transfer clock does not vary regardless of DFC0 bit set/clear.
The digital filter is used for noise elimination in high-speed mode.
IICCL0
The IICCL0 register is used to set the transfer clock for the I
The IICCL0 register can be read or written in 8-bit or 1-bit units. However, the CLD0 and DAD0 bits are read-
only.
IICOCKS.IICOCKS0 bits (see 17.4 (7) I
Set the IICCL0 register when the IICC0.IICE0 bit = 0.
Reset sets this register to 00H.
Note Bits 4 and 5 are read-only bits.
Remark
SMC0
CLD0
DAD0
DFC0
CL00
0
1
0
1
0
1
0
1
0
1
The SMC0 and CL00 bits are set in combination with the IICX0.CLX0, IICOCKS.IICOCKS1, and
The SCL pin was detected at low level.
The SCL pin was detected at high level.
The SDA pin was detected at low level.
The SDA pin was detected at high level.
Operates in standard mode.
Operates in high-speed mode.
Digital filter off.
Digital filter on.
F
F
F
XX
XX
XX
/44
/86
7
0
: Selection clock
R/W
Note
6
0
Normal mode
Detection of SCL pin level (valid only when IICC0.IICE0 bit = 1)
Address: FFFFFD84H
Detection of SDA pin level (valid only when IICE0 bit = 1)
CLD0
<5>
User’s Manual U18279EJ3V0UD
2
CHAPTER 17 I
C transfer clock setting method).
Communication clock selection
DAD0
Digital filter operation control
<4>
Operation mode switching
Condition for setting (CLD0 bit = 1)
• When the SCL pin is at high level
Condition for setting (DAD0 bit = 1)
• When the SDA pin is at high level
2
SMC0
C BUS
3
F
F
2
XX
XX
C bus.
/24
/24
DFC0
2
High-speed mode
1
0
CL00
0
869
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