PCF84C00T PHILIPS [NXP Semiconductors], PCF84C00T Datasheet - Page 16

• Manufacturer Part Number: PCF84C00T
• Description: 8-bit microcontroller with I2C-bus interface
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
Table 3 I
Notes
1. DF stands for Division Factor: the divisor of f
2. Values given for ASC = 0; for ASC =1: t
3. Determined by I
4. At maximum allowed I
5. Determined by program.
6. If t
1996 Nov 25
SCLK
t
t
t
t
t
SDA
t
t
t
t
t
t
HD;STA
LOW
HIGH
RC
FC
BUF
SU;DAT
HD;DAT
RD
FD
SU;STO
8-bit microcontroller with I
SYMBOL
LOW
2
<
C-bus timing
--------
f
24
xtal
, t
SU:DAT
2
C-bus capacitance (C
START condition hold time
SCLK LOW time
SCLK HIGH time
SCLK rise time
SCLK fall time
bus free time
data set-up time
data hold time
SDA/P2.3 rise time
SDA/P2.3 fall time
STOP condition set-up time
2
t
-------------------- -
C-bus capacitance C
LOW
f
PARAMETER
xtal
–
9
, independent of ASC.
2
C-bus interface
b
HIGH
) and external pull-up resistor.
b
xtal
=
= 400 pF.
3 DF
----------------------------
(see the “PCF84CxxxA family” data sheet).
4 f
xtal
+
16
1
; t
(see Fig.18)
LOW
INPUT
250 ns
0.3 s
0.3 s
--------
f
--------
f
--------
f
--------
f
--------
f
1 s
1 s
14
17
17
14
14
=
xtal
xtal
xtal
xtal
xtal
0
----------------- -
4 f
DF 3
–
xtal
(see Fig.19; note 1)
----------------- -
2 f
DF 3
----------------- -
2 f
DF
0.1 s; note 4
0.1 s; note 4
4.7 s; note 5
--------
f
1 s; note 3
1 s; note 3
15
OUTPUT
xtal
Product specification
DF
----------------- -
2 f
----------------- -
2 f
–
DF 3
+
xtal
PCF84C00
xtal
--------
f
3
xtal
9
+
–
xtal
xtal
; note 6
9
; note 2
; note 2