PIC16F946-E/PT Microchip Technology, PIC16F946-E/PT Datasheet - Page 240

• Manufacturer Part Number: PIC16F946-E/PT
• Description: Microcontroller
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F946-E/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 14KB (8K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 336 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 64-TFQFP
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 352 B
• Interface Type: SSP, I2C, AUSART, SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 53
• Number Of Timers: 3
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, MA160011
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MA160011 - DAUGHTER BOARD PICDEM LCD 16F91X
• Lead Free Status / Rohs Status: Details

PIC16F946
19.5
The timing parameter symbols have been created with
one of the following formats:
FIGURE 19-2:
DS41265A-page 238
1. TppS2ppS
2. TppS
T
pp
S
F
Lowercase letters (pp) and their meanings:
cc
ck
cs
di
do
dt
io
mc
Uppercase letters and their meanings:
F
H
I
L
Timing Parameter Symbology
Legend:
Frequency
CCP1
CLKO
CS
SDI
SDO
Data in
I/O port
MCLR
Fall
High
Invalid (High-impedance)
Low
LOAD CONDITIONS
PIN
R
C
Load Condition 1
L
L
= 464
= 50 pF for all pins
15 pF for OSC2 output
V
V
DD
SS
/2
R
C
L
L
Preliminary
T
osc
rd
rw
sc
ss
t0
t1
wr
P
R
V
Z
PIN
Time
OSC1
RD
RD or WR
SCK
SS
T0CKI
T1CKI
WR
Period
Rise
Valid
High-impedance
Load Condition 2
V
© 2005 Microchip Technology Inc.
SS
C
L