- 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
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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
14.3
Reset
Applicable Devices
72 73 73A 74 74A 76 77
The PIC16CXX differentiates between various kinds of
reset:
• Power-on Reset (POR)
• MCLR reset during normal operation
• MCLR reset during SLEEP
• WDT Reset (normal operation)
• Brown-out Reset (BOR) (PIC16C72/73A/74A/76/
77)
Some registers are not affected in any reset condition;
their status is unknown on POR and unchanged in any
other reset. Most other registers are reset to a “reset
state” on Power-on Reset (POR), on the MCLR and
WDT Reset, on MCLR reset during SLEEP, and Brown-
out Reset (BOR). They are not affected by a WDT
Wake-up, which is viewed as the resumption of normal
operation. The TO and PD bits are set or cleared differ-
ently in different reset situations as indicated in
Table 14-5 and Table 14-6. These bits are used in soft-
ware to determine the nature of the reset. See
Table 14-8 for a full description of reset states of all reg-
isters.
FIGURE 14-8: SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
External
Reset
MCLR
SLEEP
WDT
WDT
Module
Time-out
Reset
V
rise
DD
detect
Power-on Reset
V
(2)
DD
Brown-out
Reset
BODEN
OST/PWRT
OST
10-bit Ripple counter
OSC1
(1)
PWRT
On-chip
10-bit Ripple counter
RC OSC
Note 1: This is a separate oscillator from the RC oscillator of the CLKIN pin.
2: Brown-out Reset is implemented on the PIC16C72/73A/74A/76/77.
3: See Table 14-3 and Table 14-4 for time-out situations.
1997 Microchip Technology Inc.
A simplified block diagram of the on-chip reset circuit is
shown in Figure 14-8.
The PIC16C72/73A/74A/76/77 have a MCLR noise fil-
ter in the MCLR reset path. The filter will detect and
ignore small pulses.
It should be noted that a WDT Reset does not drive
MCLR pin low.
Enable PWRT
(3)
Enable OST
PIC16C7X
S
Chip_Reset
R
Q
DS30390E-page 133
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