UPD70F3771GF-GAT-AX Renesas Electronics America, UPD70F3771GF-GAT-AX Datasheet - Page 656
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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V850ES/JG3-H, V850ES/JH3-H
12.4.2 Rewriting each counter during the real-time counter operation
RC1YEAR) during the real-time counter operation (RC1PWR = 1, RTCE = 1).
R01UH0042EJ0400 Rev.4.00
Sep 30, 2010
Set as follows when rewriting each counter (RC1SEC, RC1MIN, RC1HOUR, RC1WEEK, RC1DAY, RC1MONTH,
Note Be sure to confirm that RWST = 0 before setting STOP mode.
Caution Complete the series of operations for setting RWAIT to 1 to clearing RWAIT to 0 within 1
Remark
second.
If RWAIT = 1 is set, the operation of RC1SEC to RC1YEAR is stopped. If a carry occurs from
RC1SUBC while RWAIT = 1, one carry can be internally retained. However, if two or more
carries occur, the number of carries cannot be retained.
RC1SEC, RC1MIN, RC1HOUR, RC1WEEK, RC1DAY, RC1MONTH, and RC1YEAR may berewrite
in any sequence.
All the registers do not have to be set and only some registers may be read.
Figure 12-3. Rewriting Each Counter During The real-time counter Operation
No
No
Writing RC1SEC
Writing RC1MIN
Writing RC1HOUR
Writing RC1WEEK
Writing RC1DAY
Writing RC1MONTH
Setting RC1YEAR
RWST = 1?
Setting AMPM
RWST = 0?
RWAIT = 1
RWAIT = 0
Start
End
Yes
Yes
Note
Checks whether previous writing to
RC1SEC to RC1YEAR counters is completed.
Checks counter wait status.
Stops RC1SEC to RC1YEAR counters.
Counter value write mode
Writes to each count register.
Sets RC1SEC to RC1YEAR counter operation.
Selects watch counter display method.
CHAPTER 12 REAL-TIME COUNTER
Page 656 of 1509
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