UPD78F9212CS-CAB-A Renesas Electronics America, UPD78F9212CS-CAB-A Datasheet - Page 160

• Manufacturer Part Number: UPD78F9212CS-CAB-A
• Description: MCU 8BIT 4KB FLASH 16PIN
• Manufacturer: Renesas Electronics America
• Series: 78K0S/Kx1+r

Specifications of UPD78F9212CS-CAB-A

• Core Processor: 78K0S
• Core Size: 8-Bit
• Speed: 10MHz
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 13
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2 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: -
• Connectivity: -

Notes 1.
158
V
V
V
V
DD
DD
DD
DD
Range
Caution The above sampling time and conversion time do not include the clock frequency error. Select
Remarks 1.
Reference
Voltage
4.5 V
4.0 V
2.85 V
2.7 V
2.
3.
4.
Note 1
Set the sampling time as follows.
Set the A/D conversion time as follows.
Be sure to set the FR2, FR1, and FR0, in accordance with the reference voltage so that Notes 2 and 3
below are satisfied.
Example When V
Setting is prohibited because the values do not satisfy the condition of Notes 2 or 3.
2.
the sampling time and conversion time such that Notes 2 and 3 above are satisfied, while taking
the clock frequency error into consideration (an error margin maximum of 5% when using the
high-speed internal oscillator).
The sampling time is 11.0 s or more and the A/D conversion time is 14.0 s or more and 100 s or
less.
Set FR2, FR1, and FR0 = 0, 1, 1 or 1, 1, 1.
V
V
V
V
V
V
V
V
DD
DD
DD
DD
DD
DD
DD
DD
12/f
24/f
96/f
48/f
48/f
24/f
176/f
88/f
Sampling
Time
f
The conversion time refers to the total of the sampling time and the time from successively
comparing with the sampling value until the conversion result is output.
XP
XP
XP
XP
XP
XP
XP
XP
4.5 V:
4.0 V:
2.85 V:
2.7 V:
4.5 V:
4.0 V:
2.85 V:
2.7 V:
: Oscillation frequency of clock to peripheral hardware
XP
Note 2
Conversion
36/f
72/f
144/f
96/f
72/f
48/f
224/f
112/f
Time
DD
Table 9-1. Sampling Time and A/D Conversion Time
XP
XP
XP
XP
XP
XP
XP
XP
CHAPTER 9 A/D CONVERTER ( PD78F921x ONLY)
Note 3
1.0 s or more
2.4 s or more
3.0 s or more
11.0 s or more
3.0 s or more and less than 100 s
4.8 s or more and less than 100 s
6.0 s or more and less than 100 s
14.0 s or more and less than 100 s
2.7 V, f
1.5 s
3.0 s
12.0 s
6.0 s
6.0 s
3.0 s
22.0 s
11.0 s
XP
Sampling
Time
= 8 MHz
User’s Manual U16994EJ6V0UD
Note 2
f
XP
= 8 MHz
Conversion
4.5 s
9.0 s
18.0 s
12.0 s
9.0 s
6.0 s
28.0 s
14.0 s
Time
Note 3
1.2 s
2.4 s
9.6 s
4.8 s
4.8 s
Setting
prohibited
Note 4
(2.4 s)
17.6 s
Setting
prohibited
Note 4
(8.8 s)
Sampling
Time
Note 2
f
XP
= 10 MHz
3.6 s
7.2 s
14.4 s
9.6 s
7.2 s
Setting
prohibited
Note 4
22.4 s
Setting
prohibited
Note 4
(11.2 s)
Conversion
(4.8 s)
Time
Note 3
FR2
0
1
1
1
0
0
1
0
FR1
0
0
1
0
1
0
1
1
FR0
0
0
0
1
0
1
1
1