PIC17C756A-33/L Microchip Technology Inc., PIC17C756A-33/L Datasheet - Page 83

• Manufacturer Part Number: PIC17C756A-33/L
• Description: 68 PIN, 32 KB OTP, 902 RAM, 50 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC17C756A-33/L

• A/d Inputs: 12-Channel, 10-Bit
• Cpu Speed: 8.25 MIPS
• Eeprom Memory: 0 Bytes
• Input Output: 52
• Interface: I2C/SPI/USART
• Memory Type: OTP
• Number Of Bits: 8
• Package Type: 68-pin PLCC
• Programmable Memory: 32K Bytes
• Ram Size: 902 Bytes
• Speed: 16 MHz
• Timers: 2-8-bit, 2-16-bit
• Voltage, Range: 3-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part

FIGURE 10-12:
TABLE 10-9:
TABLE 10-10: REGISTERS/BITS ASSOCIATED WITH PORTE
 2000 Microchip Technology Inc.
RE0/ALE
RE1/OE
RE2/WR
RE3/CAP4
Legend: TTL = TTL input, ST = Schmitt Trigger input
15h, Bank 1
14h, Bank 1
14h, Bank 7
15h, Bank 7
16h, Bank 7
Legend:
Note: I/O pin has protection diodes to V
Address
Name
x = unknown, u = unchanged, - = unimplemented, read as '0'. Shaded cells are not used by PORTE.
V
PORTE
DDRE
CA4L
CA4H
TCON3
N
P
DD
Name
PORTE FUNCTIONS
bit0
bit1
bit2
bit3
Data Direction Register for PORTE
Capture4 Low Byte
Capture4 High Byte
Bit
BLOCK DIAGRAM OF RE3/CAP4 PORT PIN
Bit 7
—
—
CA4OVF
Buffer Type
Bit 6
DD
—
TTL
TTL
TTL
ST
and V
Data
Port
CA3OVF
SS
Bit 5
.
—
D
EN
Input/output or system bus Address Latch Enable (ALE) control pin.
Input/output or system bus Output Enable (OE) control pin.
Input/output or system bus Write (WR) control pin.
Input/output or Capture4 input pin.
EN
Q
Q
Q
Q
CA4ED1
Bit 4
Q
—
CK
CK
S
D
D
RE3/CAP4
CA4ED0
Bit 3
RE2/WR
CA3ED1
Bit 2
Function
CA3ED0
RE1/OE
Bit 1
PWM3ON
RE0/ALE
Bit 0
PIC17C7XX
Peripheral In
WR_PORTE
RD_PORTE
WR_DDRE
RD_DDRE
Data Bus
---- xxxx
---- 1111
xxxx xxxx
xxxx xxxx
-000 0000
Value on
POR,
BOR
DS30289B-page 83
MCLR, WDT
---- uuuu
---- 1111
uuuu uuuu
uuuu uuuu
-000 0000