PIC16C781T-I/SO Microchip Technology, PIC16C781T-I/SO Datasheet - Page 87

• Manufacturer Part Number: PIC16C781T-I/SO
• Description: IC MCU CMOS 8BIT 1K 20MHZ 20SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C781T-I/SO

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 13
• Program Memory Size: 1.75KB (1K x 14)
• Program Memory Type: OTP
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x8b; D/A 1x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SOIC (7.5mm Width)
• For Use With: AC164028 - MODULE SKT PROMATEII 20SOIC/DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Connectivity: -
• Other names: PIC16C781TI/SO

FIGURE 11-2:
REGISTER 11-2:
2001 Microchip Technology Inc.
DAC
Module
1.2V nominal
bit 7
bit 6
bit 5
bit 4-0
CALREF
OPA-
OPA+
1
0
AUTO CALIBRATION MODULE BLOCK DIAGRAM
CALIBRATION CONTROL REGISTER (CALCON: 110h)
CAL: Start and Status bit
1 = Initiates a calibration
0 = Reserved (CAL is cleared by hardware)
CALERR: Calibration Error Indicator bit
1 = Error occurred, OPAMP failed
0 = No error
CALREF: Calibration Voltage Select bit
1 = V
0 = 1.2V nominal source (internal voltage source)
Reserved: Do not use
bit 7
Legend:
S = Cleared by hardware
R = Readable bit
- n = Value at POR
Note:
R/S-0
CAL
DAC
set to desired common voltage reference
V
DAC
CALERR
R-0
must not exceed OPAMP maximum common mode voltage.
0
1
0
1
CALREF
R/W-0
Preliminary
W = Writable bit
’1’ = Bit is set
Automatic Calibration Module
U-0
—
OPA
U = Unimplemented bit, read as ‘0’
’0’ = Bit is cleared
U-0
—
PIC16C781/782
U-0
—
0
1
x = Bit is unknown
U-0
—
DS41171A-page 85
OPA
U-0
—
bit 0