UPD78F9212CS-CAB-A Renesas Electronics America, UPD78F9212CS-CAB-A Datasheet - Page 178

• 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: -

176
(11) Internal equivalent circuit
The equivalent circuit of the analog input block is shown below.
Table 9-3. Resistance and Capacitance Values (Reference Values) of Equivalent Circuit
Remarks 1. The resistance and capacitance values shown in Table 9-3 are not guaranteed
4.5 V
2.7 V
V
V
DD
DD
2. n = 0 to 3
3. R
V
< 4.5 V
DD
Figure 9-21. Internal Equivalent Circuit of ANIn Pin
5.5 V
values.
R
C
C
CHAPTER 9 A/D CONVERTER ( PD78F921x ONLY)
ANIn
OUT
IN
OUT
IN
:
:
: Allowable signal source impedance
: Internal pin capacitance
Analog input equivalent resistance
Analog Input equivalent capacitance
User’s Manual U16994EJ6V0UD
R
OUT
R
1 k
1 k
OUT
60 k
3 k
R
IN
LSI internal
C
OUT
R
IN
C
8 pF
8 pF
OUT
C
IN
15 pF
15 pF
C
IN