UPD70F3740GC-UEU-AX Renesas Electronics America, UPD70F3740GC-UEU-AX Datasheet - Page 401

• Manufacturer Part Number: UPD70F3740GC-UEU-AX
• Description: MCU 32BIT V850ES/JX3 100-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Jx3r

Specifications of UPD70F3740GC-UEU-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: 84
• 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 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: -

V850ES/JG3
10.2 Configuration
R01UH0015EJ0300 Rev.3.00
Sep 30, 2010
The block diagram of the watch timer is shown below.
Remark f
f
BRG
f
XT
f
X
f
f
f
f
INTWT: Watch timer interrupt request signal
INTWTI: Interval timer interrupt request signal
X
BGCS
BRG
XT
W
:
:
:
:
:
control
f
Clock
W
Main clock oscillation frequency
Watch timer source clock frequency
Watch timer count clock frequency
Subclock frequency
Watch timer clock frequency
f
W
/2
4
PRSM0 register
WTM7
f
W
/2
11-bit prescaler
5
BGCE0
prescaler
f
W
/2
3-bit
6
WTM6
Figure 10-1. Block Diagram of Watch Timer
f
W
/2
BGCS01
7
f
f
f
f
Clear
X
X
X
X
f
/8
/4
/2
W
/2
WTM5
8
f
W
/2
Internal bus
BGCS00
2
10
f
f
W
BGCS
/2
WTM4
11
Clear
f
Internal bus
W
/2
9
PRSCM0 register
3
8-bit counter
WTM3
Watch timer operation mode register
(WTM)
CHAPTER 10 WATCH TIMER FUNCTIONS
Match
5-bit counter
WTM2
Clear
WTM1
1/2
WTM0
INTWT
INTWTI
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