UPD70F3771GF-GAT-AX Renesas Electronics America, UPD70F3771GF-GAT-AX Datasheet - Page 665
UPD70F3771GF-GAT-AX
Manufacturer Part Number
UPD70F3771GF-GAT-AX
Description
MCU 32BIT V850ES/JX3-H 128-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3-Hr
Datasheet
1.UPD70F3760GC-UEU-AX.pdf
(1512 pages)
Specifications of UPD70F3771GF-GAT-AX
Core Processor
RISC
Core Size
32-Bit
Speed
48MHz
Connectivity
CAN, CSI, EBI/EMI, I²C, UART/USART, USB
Peripherals
DMA, LVD, PWM, WDT
Number Of I /o
96
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
40K x 8
Voltage - Supply (vcc/vdd)
2.85 V ~ 3.6 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD70F3771GF-GAT-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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- Download datasheet (9Mb)
V850ES/JG3-H, V850ES/JH3-H
R01UH0042EJ0400 Rev.4.00
Sep 30, 2010
(3) DEV bit
The DEV bit determines when the setting by the F6 to F0 bits is enabled.
The value set by the F6 to F0 bits is reflected upon the next timing, but not to the RC1SUBC count value every time.
As described above, the RC1SUBC count value is corrected every 20 seconds or 60 seconds, instead of every
second, in order to match the RC1SUBC count value with the deviation width of the resonator.
The range in which the resonator frequency can be actually corrected is shown below.
The range in which the frequency can be corrected when the DEV bit is 0 is three times wider than when the DEV
bit is 1.
However, the accuracy of setting the frequency when the DEV bit is 1 is three times that when the DEV bit is 0.
Tables 12-7 and 12-8 show the setting values of the DEV, and F6 to F0 bits, and the corresponding frequencies that
can be corrected.
[Example when 0010101B is set to F6 to F0 bits]
• If the DEV bit is 0: 32.76180000 kHz to 32.77420000 kHz
• If the DEV bit is 1: 32.76593333 kHz to 32.77006667 kHz
• If the DEV bit is 0
• IF DEV bit is 1
The RC1SUBC count value is 32,808 at 00, 20, or 40 seconds.
Otherwise, it is 32,768.
The RC1SUBC count value is 32,808 at 00 seconds.
Otherwise, it is 32,768.
0
1
DEV Bit Value
Table 12-6. DVE Bit Setting
When RC1SEC is 00, 20, or 40 seconds.
When RC1SEC is 00 seconds.
Timing of Reflecting Value to RC1SUBC
CHAPTER 12 REAL-TIME COUNTER
Page 665 of 1509
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