PIC17LC752T-08/L Microchip Technology, PIC17LC752T-08/L Datasheet - Page 23
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PIC17LC752T-08/L
Manufacturer Part Number
PIC17LC752T-08/L
Description
IC MCU OTP 8KX16 A/D 68PLCC
Manufacturer
Microchip Technology
Series
PIC® 17Cr
Specifications of PIC17LC752T-08/L
Core Processor
PIC
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
50
Program Memory Size
16KB (8K x 16)
Program Memory Type
OTP
Ram Size
678 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
68-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC17LC752T-08/L
Manufacturer:
Microchip Technology
Quantity:
10 000
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5.0
The PIC17CXXX differentiates between various kinds
of RESET:
• Power-on Reset (POR)
• Brown-out Reset
• MCLR Reset
• WDT Reset
Some registers are not affected in any RESET condi-
tion, their status is unknown on POR and unchanged in
any other RESET. Most other registers are forced to a
“RESET state”. The TO and PD bits are set or cleared
differently in different RESET situations, as indicated in
Table 5-3. These bits, in conjunction with the POR and
BOR bits, are used in software to determine the nature
of the RESET. See Table 5-4 for a full description of the
RESET states of all registers.
FIGURE 5-1:
2000 Microchip Technology Inc.
MCLR
OSC1
V
† This RC oscillator is shared with the WDT when not in a power-up sequence.
DD
RESET
RC OSC†
OST/PWRT
On-chip
V
Module
Module
Detect
DD
WDT
BOR
Rise
OST
PWRT
SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
10-bit Ripple Counter
10-bit Ripple Counter
Brown-out
Power_On_Reset
Reset
Time_Out
Reset
WDT
External
Reset
When the device enters the “RESET state”, the Data
Direction registers (DDR) are forced set, which will
make the I/O hi-impedance inputs. The RESET state of
some peripheral modules may force the I/O to other
operations, such as analog inputs or the system bus.
A simplified block diagram of the On-Chip Reset Circuit
is shown in Figure 5-1.
(If PWRT is invoked, or a Wake-up from
SLEEP and OSC type is XT or LF)
(Enable the PWRT timer
only during POR or BOR)
Note:
While the device is in a RESET state, the
internal phase clock is held in the Q1 state.
Any processor mode that allows external
execution will force the RE0/ALE pin as a
low output and the RE1/OE and RE2/WR
pins as high outputs.
PIC17C7XX
S
R
DS30289B-page 23
Q
Chip_Reset
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