M30800SAGP-BL#U5 Renesas Electronics America, M30800SAGP-BL#U5 Datasheet - Page 127

• Manufacturer Part Number: M30800SAGP-BL#U5
• Description: IC M32C/80 MCU ROMLESS 100LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M32C/80r

Specifications of M30800SAGP-BL#U5

• Core Processor: M16C/80
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, IEBus, SIO, UART/USART
• Peripherals: DMA, WDT
• Number Of I /o: 45
• Program Memory Type: ROMless
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 10x10b, D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 100-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: -
• Program Memory Size: -

R
R
M
e
E
3
. v
J
2
Figure 11.2 WDC Register and WDTS Register
0
C
1
9
0 .
8 /
B
0
0
0
2
7
G
N
1
o
o r
0 -
. v
Watchdog Timer Control Register
b7
u
Watchdog Timer Start Register
1
b7
0
p
0
, 1
b6
0
0
2
NOTE:
b5
0
0
1. Write the WDTS register after the watchdog timer interrupt is generated.
5
b4
Page 106
b3
b2
b1
b0
b0
f o
(b4 - b0)
3
Symbol
WDC7
The watchdog timer is reset to start counting by a write instruction to the
WDTS register. Default value of the watchdog timer is always set to
"7FFF
3
(b6)
(b5)
Bit
0
Symbol
WDC
Symbol
WDTS
16
" regardless of the value written.
Reserved Bit
Prescaler Select Bit
Reserved Bit
High-Order Bit of the Watchdog Timer
Bit Name
(1)
Address
000F
Address
000E
16
16
Function
Set to "0"
0: Divide-by-16
1: Divide-by-128
When read,
its content is inderterminate
After Reset
000X XXXX
Function
After Reset
Indeterminate
2
11. Watchdog Timer
RW
RW
RW
RW
RO
WO
RW