UPD70F3744GJ-GAE-AX Renesas Electronics America, UPD70F3744GJ-GAE-AX Datasheet - Page 425

• Manufacturer Part Number: UPD70F3744GJ-GAE-AX
• Description: MCU 32BIT V850ES/JX3 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Jx3r

Specifications of UPD70F3744GJ-GAE-AX

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 32MHz
• Connectivity: CSI, EBI/EMI, I²C, UART/USART
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 128
• Program Memory Size: 512KB (512K 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 16x10b; 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: -

V850ES/JJ3
10.4.2 Operation as interval timer
intervals specified by a preset count value.
R01UH0016EJ0400 Rev.4.00
Sep 30, 2010
The watch timer can also be used as an interval timer that repeatedly generates an interrupt request signal (INTWTI) at
The interval time can be selected by the WTM4 to WTM7 bits of the WTM register.
Remark f
WTM7
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
W
: Watch timer clock frequency
WTM6
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
WTM5
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Table 10-1. Interval Time of Interval Timer
WTM4
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
4
5
6
7
8
9
10
11
4
5
6
7
8
9
10
11
× 1/fw
× 1/fw
× 1/fw
× 1/fw
× 1/fw
× 1/fw
× 1/fw
× 1/fw
× 1/fw
× 1/fw
× 1/fw
× 1/fw
× 1/fw
× 1/fw
× 1/fw
× 1/fw
CHAPTER 10 WATCH TIMER FUNCTIONS
488
977
1.95 ms (operating at f
3.91 ms (operating at f
7.81 ms (operating at f
15.6 ms (operating at f
31.3 ms (operating at f
62.5 ms (operating at f
488
977
1.95 ms (operating at f
3.91 ms (operating at f
7.81 ms (operating at f
15.6 ms (operating at f
31.3 ms (operating at f
62.5 ms (operating at f
μ
μ
μ
μ
s (operating at f
s (operating at f
s (operating at f
s (operating at f
Interval Time
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
= f
= f
= f
= f
= f
= f
= f
= f
= f
= f
= f
= f
= f
= f
= f
= f
XT
XT
BRG
BRG
XT
XT
XT
XT
XT
XT
BRG
BRG
BRG
BRG
BRG
BRG
= 32.768 kHz)
= 32.768 kHz)
= 32.768 kHz)
= 32.768 kHz)
= 32.768 kHz)
= 32.768 kHz)
= 32.768 kHz)
= 32.768 kHz)
= 32.768 kHz)
= 32.768 kHz)
= 32.768 kHz)
= 32.768 kHz)
= 32.768 kHz)
= 32.768 kHz)
= 32.768 kHz)
= 32.768 kHz)
Page 409 of 892