UPD78F0500MC-5A4-A Renesas Electronics America, UPD78F0500MC-5A4-A Datasheet - Page 392

• Manufacturer Part Number: UPD78F0500MC-5A4-A
• Description: MCU 8BIT FLASH SSOP
• Manufacturer: Renesas Electronics America
• Series: 78K0/Kx2r

Specifications of UPD78F0500MC-5A4-A

• Core Processor: 78K/0
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

78K0/Kx2
R01UH0008EJ0401 Rev.4.01
Jul 15, 2010
Note The frequency that can be used for the peripheral hardware clock (f
Address: FF6FH
Symbol
WTM
voltage and product specifications.
(The values shown in the table above are those when f
4.0 V ≤ V
2.7 V ≤ V
1.8 V ≤ V
(Standard products and
(A) grade products only)
Supply Voltage
WTM7
WTM7
WTM6
WTM3
WTM1
WTM0
DD
DD
DD
Figure 10-2. Format of Watch Timer Operation Mode Register (WTM)
7
0
1
0
0
0
0
1
1
1
1
0
0
1
1
0
1
0
1
≤ 5.5 V
< 4.0 V
< 2.7 V
After reset: 00H
f
f
Clear after operation stop
Start
Operation stop (clear both prescaler and 5-bit counter)
Operation enable
PRS
SUB
WTM6
WTM5
WTM2
/2
6
0
0
1
1
0
0
1
1
0
1
0
1
7
f
32.768 kHz
SUB
= 32.768 kHz
f
f
f
R/W
PRS
PRS
PRS
2
2
2
2
Conventional-specification Products
14
13
5
4
/f
/f
WTM5
WTM4
/f
/f
−
(
≤ 20 MHz
≤ 10 MHz
≤ 5 MHz
W
W
μ
W
W
5
0
1
0
1
0
1
0
1
PD78F05xx and 78F05xxD)
Watch timer count clock selection (f
2
2
2
2
2
2
2
2
15.625 kHz
f
4
5
6
7
8
9
10
11
PRS
/f
/f
/f
/f
/f
/f
WTM4
/f
/f
W
W
W
W
W
W
W
W
5-bit counter operation control
Watch timer operation enable
4
= 2 MHz
Selection of watch timer interrupt time
PRS
WTM3
Prescaler interval time selection
39.062 kHz
= f
f
3
PRS
XH
= 5 MHz
(XSEL = 1).)
PRS
f
f
PRS
PRS
WTM2
) differs depending on the power supply
Expanded-specification Products
(
μ
2
−
≤ 20 MHz
≤ 5 MHz
PD78F05xxA and 78F05xxDA)
CHAPTER 10 WATCH TIMER
78.125 kHz
f
W
PRS
)
Note
= 10 MHz
WTM1
<1>
156.25 kHz
f
PRS
= 20 MHz
WTM0
<0>
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