- Components/
- Integrated Circuits (ICs)/
- Embedded - Microcontrollers/
PIC16C74-04/L
PIC16C74-04/L | |
|---|---|
| Manufacturer Part Number | PIC16C74-04/L |
| Description | MICRO CTRL 4K 4MHZ OTP 44PLCC |
| Manufacturer | Microchip Technology |
| Series | PIC® 16C |
| PIC16C74-04/L datasheets |
|
Availability: By request
International delivery:
Warranty: 60 days
×
- We provide standard 60-days warranty for all parts. If warranty differs we always mention it beforehand. In case of return we cover shipping costs.
- If you still have any questions - please contact us
×
Shipping terms
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Specifications of PIC16C74-04/L | |||
|---|---|---|---|
| Core Processor | PIC | Core Size | 8-Bit |
| Speed | 4MHz | Connectivity | I²C, SPI, UART/USART |
| Peripherals | POR, PWM, WDT | Number Of I /o | 33 |
| Program Memory Size | 7KB (4K x 14) | Program Memory Type | OTP |
| Ram Size | 192 x 8 | Voltage - Supply (vcc/vdd) | 4 V ~ 6 V |
| Data Converters | A/D 8x8b | Oscillator Type | External |
| Operating Temperature | 0°C ~ 70°C | Package / Case | 44-PLCC |
| For Use With | DVA16XL441 - ADAPTER DEVICE ICE 44PLCC | Lead Free Status / RoHS Status | Request inventory verification / Request inventory verification |
| Eeprom Size | - | ||
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PrevNext
13.2
Selecting the A/D Conversion Clock
Applicable Devices
72 73 73A 74 74A 76 77
The A/D conversion time per bit is defined as T
A/D conversion requires 9.5T
per 8-bit conversion.
AD
The source of the A/D conversion clock is software
selectable. The four possible options for T
• 2T
OSC
• 8T
OSC
• 32T
OSC
• Internal RC oscillator
For correct A/D conversions, the A/D conversion clock
(T
) must be selected to ensure a minimum T
AD
of 1.6 s.
Table 13-1 shows the resultant T
times derived from
AD
the device operating frequencies and the A/D clock
source selected.
TABLE 13-1:
T
vs. DEVICE OPERATING FREQUENCIES
AD
AD Clock Source (T
)
AD
Operation
ADCS1:ADCS0
2T
OSC
00
8T
01
OSC
32T
10
OSC
(5)
11
RC
Legend: Shaded cells are outside of recommended range.
Note 1: The RC source has a typical T
2: These values violate the minimum required T
3: For faster conversion times, the selection of another clock source is recommended.
4: When device frequency is greater than 1 MHz, the RC A/D conversion clock source is recommended for
sleep operation only.
5: For extended voltage devices (LC), please refer to Electrical Specifications section.
1997 Microchip Technology Inc.
13.3
Configuring Analog Port Pins
Applicable Devices
72 73 73A 74 74A 76 77
. The
The ADCON1, TRISA, and TRISE registers control the
AD
operation of the A/D port pins. The port pins that are
desired as analog inputs must have their correspond-
are:
ing TRIS bits set (input). If the TRIS bit is cleared (out-
AD
put), the digital output level (V
converted.
The A/D operation is independent of the state of the
CHS2:CHS0 bits and the TRIS bits.
Note 1: When reading the port register, all pins
configured as analog input channels will
time
AD
read as cleared (a low level). Pins config-
ured as digital inputs, will convert an ana-
log input. Analog levels on a digitally
configured input will not affect the conver-
sion accuracy.
Note 2: Analog levels on any pin that is defined as
a digital input (including the AN7:AN0
pins), may cause the input buffer to con-
sume current that is out of the devices
specification.
Device Frequency
20 MHz
5 MHz
(2)
(2)
100 ns
400 ns
(2)
1.6 s
400 ns
1.6 s
6.4 s
(1,4)
(1,4)
2 - 6 s
2 - 6 s
time of 4 s.
AD
time.
AD
PIC16C7X
or V
) will be
OH
OL
1.25 MHz
333.33 kHz
1.6 s
6 s
6.4 s
(3)
24 s
(3)
(3)
25.6 s
96 s
(1,4)
(1)
2 - 6 s
2 - 6 s
DS30390E-page 121
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