PCA9553 Philips Semiconductors, PCA9553 Datasheet - Page 17

• Manufacturer Part Number: PCA9553
• Description: 4-bit I2C LED driver with programmable blink rates
• Manufacturer: Philips Semiconductors

Philips Semiconductors
REVISION HISTORY
2004 Oct 01
Rev
_3
_2
_1
4-bit I
Date
20041001
20030502
20021213
2
C LED driver with programmable blink rates
Description
Product data sheet (9397 750 13728). Supersedes data of 2003 May 02 (9397 750 11464).
Modifications:
Product data (9397 750 11464); ECN 853-2397 29856 Dated 24 April2003.
Supersedes data of 2002 Dec 13 (9397 750 10859).
Product data (9397 750 10859); ECN 853–2397 29264 of 09 December 2002.
“Features” section on page 2:
– second bullet: change from “... between 0.15625 and 40 Hz (6.4 and 0.025 seconds)” to “... between 0.172 Hz
– last bullet: add “(MSOP8)”
Ordering information table on page 2: add “(MSOP)” to table cells ‘8-Pin Plastic TSSOP’
“INPUT0 — INPUT REGISTER 0” table modified; note added
Add section “Pins used as General Purpose I/Os” on page 5.
Section “Power-on Reset” on page 5 re-written.
Figure 13 on page 9: add resistor values
Table 1 on page 10:
– step “Set prescaler PSC0 ...”: change ‘PSC0 = 37’ to ‘PSC0 = 43’; change I
– step “Set prescaler PCS1 ...”: change ‘PSC1 = 9’ to ‘PCS1 = 10’; change I
DC Characteristics table on page 11: add (new) Note 1 and its reference at V
Add Figures 19 and 20.
and 44 Hz (5.82 and 0.023 seconds)”
17
2
POR
C-bus address from ‘09h’ to ‘0Ah’
2
C-bus address from ‘25h’ to ‘2Bh’
.
PCA9553
Product data sheet