M3087BFLBGP#U5 Renesas Electronics America, M3087BFLBGP#U5 Datasheet - Page 159

• Manufacturer Part Number: M3087BFLBGP#U5
• Description: IC M32C/87 MCU FLASH 144LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M32C/80r

Specifications of M3087BFLBGP#U5

• Core Processor: M32C/80
• Core Size: 16/32-Bit
• Speed: 32MHz
• Connectivity: EBI/EMI, I²C, IEBus, IrDA, SIO, UART/USART
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 121
• Program Memory Size: 1MB (1M x 8)
• Program Memory Type: FLASH
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 34x10b, D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 144-LQFP
• For Use With: R0K330879S001BE - KIT DEV RSK M32C/87R0K330879S000BE - KIT DEV RSK M32C/87
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

M32C/87 Group (M32C/87, M32C/87A, M32C/87B)
REJ09B0180-0151 Rev.1.51 Jul 31, 2008
Page 135 of 587
Figure 12.1
Wait mode signal
CM06, CM07: bits in the CM0 register
WDC7: bit in the WDC register
PM22: bit in the PM2 register
D43: bit in the D4INT register
CPU clock
HOLD
Write signal to the WDTS register
Watchdog Timer Block Diagram
Internal reset signal
Prescaler
1/128
1/16
1/2
On-chip oscillator clock
CM07=0
WDC7=0
CM07=0
WDC7=1
CM07=1
0
1
PM22
Watchdog timer
7FFFh
Set to
CM06
Vdet4 detection
interrupt signal
Oscillation stop
detection
interrupt signal
D43
0
1
Watchdog timer interrupt signal
Reset
12. Watchdog Timer
Watchdog timer
interrupt request
(non-maskable)