PIC16C66/JW Microchip Technology, PIC16C66/JW Datasheet - Page 93
PIC16C66/JW
Manufacturer Part Number
PIC16C66/JW
Description
IC MCU OTP 8KX14 PWM 28CDIP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F818-ISO.pdf
(6 pages)
3.PIC16LC62A-04SP.pdf
(337 pages)
4.PIC16C66-04SO.pdf
(6 pages)
Specifications of PIC16C66/JW
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
14KB (8K x 14)
Program Memory Type
EPROM, UV
Ram Size
368 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 6 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
28-CDIP (0.300", 7.62mm) Window
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
- PIC16F616T-ISL PDF datasheet
- PIC16F818-ISO PDF datasheet #2
- PIC16LC62A-04SP PDF datasheet #3
- PIC16C66-04SO PDF datasheet #4
- Current page: 93 of 337
- Download datasheet (3Mb)
The SS pin allows a synchronous slave mode. The
SPI must be in slave mode (SSPCON<3:0> = 04h)
and the TRISA<5> bit must be set for the synchro-
nous slave mode to be enabled. When the SS pin is
low, transmission and reception are enabled and the
SDO pin is driven. When the SS pin goes high, the
SDO pin is no longer driven, even if in the middle of
a transmitted byte, and becomes a floating output. If
the SS pin is taken low without resetting SPI mode,
the transmission will continue from the point at
which it was taken high. External pull-up/ pull-down
resistors may be desirable, depending on the applica-
tion.
FIGURE 11-11: SPI MODE TIMING, MASTER MODE (PIC16C66/67)
FIGURE 11-12: SPI MODE TIMING (SLAVE MODE WITH CKE = 0) (PIC16C66/67)
SCK (CKP = 0,
SCK (CKP = 0,
SCK (CKP = 1,
SCK (CKP = 1,
SDO
SDI (SMP = 0)
SCK (CKP = 0)
SCK (CKP = 1)
1997 Microchip Technology Inc.
SDI (SMP = 1)
SDO
SDI (SMP = 0)
SSPIF
SS (optional)
SSPIF
CKE = 0)
CKE = 1)
CKE = 0)
CKE = 1)
bit7
bit7
Applicable Devices
61 62 62A R62 63 R63 64 64A R64 65 65A R65 66 67
bit7
bit7
bit7
bit6
bit6
bit5
bit5
bit4
bit4
To emulate two-wire communication, the SDO pin can
be connected to the SDI pin. When the SPI needs to
operate as a receiver the SDO pin can be configured as
an input. This disables transmissions from the SDO.
The SDI can always be left as an input (SDI function)
since it cannot create a bus conflict.
Note:
Note:
bit3
bit3
When the SPI is in Slave Mode with SS pin
control enabled, (SSPCON<3:0> = 0100)
the SPI module will reset if the SS pin is set
to V
If the SPI is used in Slave Mode with
CKE = '1', then the SS pin control must be
enabled.
DD
.
bit2
bit2
PIC16C6X
bit1
bit1
DS30234D-page 93
bit0
bit0
bit0
bit0
bit0
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