PIC16LF1938-I/MV Microchip Technology, PIC16LF1938-I/MV Datasheet - Page 185
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PIC16LF1938-I/MV
Manufacturer Part Number
PIC16LF1938-I/MV
Description
IC MCU 8BIT 28KB FLASH 28UQFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheet
1.PIC16LF1938-IMV.pdf
(452 pages)
Specifications of PIC16LF1938-I/MV
Core Processor
PIC
Core Size
8-Bit
Speed
32MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
25
Program Memory Size
28KB (16K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-UFQFN Exposed Pad
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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TABLE 19-1:
REGISTER 19-1:
2011 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
u = Bit is unchanged
‘1’ = Bit is set
bit 7
bit 6-4
bit 3
bit 2
bit 1
bit 0
Note 1:
SRCLK
R/W-0/0
SRLEN
111
110
101
100
011
010
001
000
Set only, always reads back ‘ 0 ’.
SRLEN: SR Latch Enable bit
1 = SR Latch is enabled
0 = SR Latch is disabled
SRCLK<2:0>: SR Latch Clock Divider bits
000 = Generates a 1 F
001 = Generates a 1 F
010 = Generates a 1 F
011 = Generates a 1 F
100 = Generates a 1 F
101 = Generates a 1 F
110 = Generates a 1 F
111 = Generates a 1 F
SRQEN: SR Latch Q Output Enable bit
If SRLEN = 1 :
If SRLEN = 0 :
SR Latch is disabled
SRNQEN: SR Latch Q Output Enable bit
If SRLEN = 1 :
If SRLEN = 0 :
SRPS: Pulse Set Input of the SR Latch bit
1 = Pulse set input for 1 Q-clock period
0 = No effect on set input.
SRPR: Pulse Reset Input of the SR Latch bit
1 = Pulse Reset input for 1 Q-clock period
0 = No effect on Reset input.
Divider
SRCLK FREQUENCY TABLE
512
256
128
R/W-0/0
64
32
16
8
4
1 = Q is present on the SRQ pin
0 = External Q output is disabled
1 = Q is present on the SRnQ pin
0 = External Q output is disabled
SR Latch is disabled
SRCON0: SR LATCH CONTROL 0 REGISTER
F
OSC
W = Writable bit
x = Bit is unknown
‘0’ = Bit is cleared
SRCLK<2:0>
62.5 kHz
125 kHz
250 kHz
500 kHz
1 MHz
2 MHz
4 MHz
8 MHz
R/W-0/0
= 32 MHz
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
wide pulse every 4th F
wide pulse every 8th F
wide pulse every 16th F
wide pulse every 32nd F
wide pulse every 64th F
wide pulse every 128th F
wide pulse every 256th F
wide pulse every 512th F
F
OSC
R/W-0/0
1.25 MHz
39.0 kHz
78.1 kHz
2.5 MHz
156 kHz
313 kHz
625 kHz
Preliminary
5 MHz
= 20 MHz
(1)
(1)
U = Unimplemented bit, read as ‘0’
-n/n = Value at POR and BOR/Value at all other Resets
S = Bit is set only
R/W-0/0
SRQEN
OSC
OSC
OSC
OSC
F
OSC
OSC
OSC
OSC
OSC
cycle clock
cycle clock
31.3 kHz
62.5 kHz
125 kHz
250 kHz
500 kHz
cycle clock
cycle clock
1 MHz
2 MHz
4 MHz
cycle clock
cycle clock
cycle clock
cycle clock
= 16 MHz
PIC16(L)F1938/9
SRNQEN
R/W-0/0
F
OSC
31.25 kHz
7.81 kHz
15.6 kHz
62.5 kHz
125 kHz
250 kHz
500 kHz
1 MHz
= 4 MHz
R/S-0/0
SRPS
DS41574A-page 185
F
OSC
1.95 kHz
3.90 kHz
7.81 kHz
15.6 kHz
31.3 kHz
62.5 kHz
125 kHz
250 kHz
R/S-0/0
SRPR
= 1 MHz
bit 0
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