PIC17C756-33/L Microchip Technology, PIC17C756-33/L Datasheet - Page 66

• Manufacturer Part Number: PIC17C756-33/L
• Description: MICRO CTRL 16K MEMORY OTP 68PLCC
• Manufacturer: Microchip Technology
• Series: PIC® 17Cr

Specifications of PIC17C756-33/L

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 33MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: OTP
• Ram Size: 902 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 6 V
• Data Converters: A/D 12x10b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 68-PLCC
• For Use With: AC164308 - MODULE SKT FOR PM3 68PLCCDVA17XL681 - DEVICE ADAPTER FOR PIC17C752DM173001 - KIT DEVELOPMENT PICDEM17AC174007 - MODULE SKT PROMATEII 68PLCCAC164024 - ADAPTER PICSTART PLUS 68PLCC
• Lead Free Status / RoHS Status: Request inventory verification / Request inventory verification
• Eeprom Size: -

Example 10-1 shows an instruction sequence to initial-
ize PORTA. The Bank Select Register (BSR) must be
selected to Bank 0 for the port to be initialized. The fol-
lowing example uses the MOVLB instruction to load the
BSR register for bank selection.
EXAMPLE 10-1: INITIALIZING PORTA
FIGURE 10-2: RA2 BLOCK DIAGRAM
DS30264A-page 66
Note: I/O pin has protection diodes to V
MOVLB
MOVLW
MOVPF
0
0xF3
PORTA
1
0
D
; Select Bank 0
;
; Initialize PORTA
;
;
;
;
Q
Q
EN
RA<3:2> are output low
RA<5:4> and RA<1:0>
are inputs
(outputs floating)
Q
CK
Peripheral data in
D
I
2
C Mode enable
SS
SCL out
WR_PORTA
.
RD_PORTA
Data Bus
(Q4)
(Q2)
Preliminary
FIGURE 10-3: RA3 BLOCK DIAGRAM
FIGURE 10-4: RA4 AND RA5 BLOCK
Note: I/O pins have protection diodes to V
Note: I/O pin has protection diodes to V
OE = SPEN,SYNC,TXEN, CREN, SREN for RA4
OE = SPEN (SYNC+SYNC,CSRC) for RA5
DIAGRAM
D
Q
Q
EN
1997 Microchip Technology Inc.
“1”
Q
Peripheral data in
CK
Serial port output signals
Serial port input signal
D
SSP Mode
SS
DD
WR_PORTA
SDA out
.
RD_PORTA
RD_PORTA
and V
Data Bus
Data Bus
SS
(Q4)
(Q2)
(Q2)
.