Information

PIC12CE518/CE519
DS80064D-page 8  2003 Microchip Technology Inc.
TABLE 1: PULL-UP RESISTOR RANGES* - PIC12C508A, PIC12C509A, PIC12CR509A,
PIC12CE518, PIC12CE519, PIC12LC508A, PIC12LC509A, PIC12LCR509A,
PIC12LCE518 and PIC12LCE519
1. Module: RESET
When MCLR
is asserted, the state of the OSC1/CLKIN
and CLKOUT/OSC2 pins are as follows:
CLKIN/CLKOUT PIN STATES WHEN MCLR
ASSERTED
VDD (Volts) Temperature (°C) Min Typ Max Units
GP0/GP1
2.5 -40 38K 42K 63K Ω
25 42K 48K 63K Ω
85 42K 49K 63K Ω
125 50K 55K 63K Ω
5.5 -40 15K 17K 20K Ω
25 18K 20K 23K Ω
85 19K 22K 25K Ω
125 22K 24K 28K Ω
GP3
(1)
2.5 -40 65K 80K 850K Ω
25 80K 100K 1150K Ω
85 85K 110K 1300K Ω
125 100K 120K 1500K Ω
5.5 -40 50K 60K 600K Ω
25 60K 65K 750K Ω
85 65K 80K 900K Ω
125 75K 90K 990K Ω
* These parameters are characterized but not tested.
Note 1: The weak pull-up resistor and associated current for the GP3/MCLR
pin is non-linear when the respective
pin voltage is less than V
DD - 1.0V. See parameter D061 for GP3/MCLR pin current specifications.
Oscillator Mode OSC1/CLKIN Pin OSC2/CLKOUT Pin
EXTRC, CLKOUT
on OSC2
OSC1 pin is
tristated and driven
by external circuit
OSC2 pin is driven
low
EXTRC, OSC2 is
I/O
OSC1 pin is
tristated and driven
by external circuit
OSC2 pin is tristate
input
INTRC, CLKOUT
on OSC2
OSC1 pin is tristate
input
OSC2 pin is driven
low
INTRC, OSC2 is
I/O
OSC1 pin is tristate
input
OSC2 pin is tristate
input