70592C Datasheet, PDF (258/314 Pages) Microchip Technology – High-Performance, 16-bit Microcontrollers

PIC24HJXXXGPX06A/X08A/X10A
TABLE 24-23: TIMER2, 4, 6 AND 8 EXTERNAL CLOCK TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
-40°C ≤TA ≤+125°C for Extended
Param
No.
Symbol
Characteristic⁽¹⁾
Min
Typ
Max
Units Conditions
TB10 TtxH
TxCK High Synchronous Greater of: —
Time
mode
20 or
(TCY + 20)/N
—
ns Must also meet
parameter TB15
N = prescale
value
(1, 8, 64, 256)
TB11 TtxL
TxCK Low Synchronous Greater of: —
Time
mode
20 or
(TCY + 20)/N
—
ns _{Must also meet}
parameter TB15
N = prescale
value
(1, 8, 64, 256)
TB15 TtxP
TxCK Input Synchronous Greater of: —
Period
mode
40 or
(2 TCY + 40)/N
—
ns N = prescale
value
(1, 8, 64, 256)
TB20 TCKEXTMRL Delay from External TxCK 0.75 TCY + 40 — 1.75 TCY + 40 ns
Clock Edge to Timer Incre-
ment
Note 1: These parameters are characterized, but are not tested in manufacturing.
TABLE 24-24: TIMER3, 5, 7 AND 9 EXTERNAL CLOCK TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤TA ≤+85°C for Industrial
-40°C ≤TA ≤+125°C for Extended
Param
No.
Symbol
Characteristic⁽¹⁾
Min
Typ
Max
Units Conditions
TC10 TtxH
TxCK High
Synchronous TCY + 20
—
—
Time
ns Must also meet
parameter TC15
TC11 TtxL
TxCK Low
Synchronous TCY + 20 —
—
Time
ns Must also meet
parameter TC15
TC15 TtxP
TxCK Input Synchronous, 2 TCY + 40 —
—
Period
with prescaler
ns N = prescale
value
(1, 8, 64, 256)
TC20
TCKEXTMRL Delay from External TxCK
Clock Edge to Timer Incre-
ment
0.75 TCY + 40 — 1.75 TCY + 40 ns
Note 1: These parameters are characterized, but are not tested in manufacturing.
DS70592C-page 258
© 2011 Microchip Technology Inc.