UPD70F3737GC-UEU-AX Renesas Electronics America, UPD70F3737GC-UEU-AX Datasheet - Page 411
UPD70F3737GC-UEU-AX
Manufacturer Part Number
UPD70F3737GC-UEU-AX
Description
MCU 32BIT V850ES/JX3-L 100-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3-Lr
Datasheet
1.UPD70F3737GC-UEU-AX.pdf
(861 pages)
Specifications of UPD70F3737GC-UEU-AX
Package / Case
*
Voltage - Supply (vcc/vdd)
2.2 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Speed
20MHz
Number Of I /o
84
Core Processor
RISC
Program Memory Type
FLASH
Ram Size
8K x 8
Program Memory Size
128KB (128K x 8)
Data Converters
A/D 12x10b, D/A 2x8b
Oscillator Type
Internal
Peripherals
DMA, LVD, PWM, WDT
Connectivity
CSI, EBI/EMI, I²C, UART/USART
Core Size
32-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD70F3737GC-UEU-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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10.4.3 Cautions
enabled (WTM.WTM1 and WTM.WTM0 bits = 1).
Some time is required before the first watch timer interrupt request signal (INTWT) is generated after operation is
Remarks 1. When 0.5 seconds of the watch timer interrupt time is set.
It takes 0.515625 seconds (max.) for the first INTWT signal to be generated (2
longer (max.)). The INTWT signal is then generated every 0.5 seconds.
Interval timer interrupt
Watch timer interrupt
Figure 10-3. Example of Generation of Watch Timer Interrupt Request Signal (INTWT)
2. f
Values in parentheses apply to operation with f
n: Number of interval timer operations
W
: Watch timer clock frequency
Count clock
WTM0, WTM1
f
W
INTWTI
or f
INTWT
5-bit counter
W
Figure 10-2. Operation Timing of Watch Timer/Interval Timer
INTWT
/2
9
0H
Start
CHAPTER 10 WATCH TIMER FUNCTIONS
Interval time (T)
Interrupt time of watch timer (0.5 s) Interrupt time of watch timer (0.5 s)
Preliminary User’s Manual U18953EJ1V0UD
(When Interrupt Cycle = 0.5 s)
0.515625 s
nT
0.5 s
W
= 32.768 kHz.
Overflow
Interval time (T)
0.5 s
9
× 1/32768 = 0.015625 seconds
nT
Overflow
411
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