pca9504a NXP Semiconductors, pca9504a Datasheet - Page 4

• Manufacturer Part Number: pca9504a
• Description: Glue Chip 4
• Manufacturer: NXP Semiconductors

1. The pin is internally pulled up to default to FLUSH mode.
1. The pin is internally pulled up to default to FLUSH mode.
Philips Semiconductors
PIN DESCRIPTION CONTINUED
NOTE:
FUNCTION TABLES
Strapping Selection Pin
NOTE:
2004 May 11
50
51
52
53
54
55
56
3I
3IU
5I
5IU
5ID
P
G
3O
5O
3V OD
5V OD
AO
AI
3IOD
5IOD
REFL
1 No connect
1 No connect
1 No connect
1 No connect
1 No connect
0 GND
0 GND
0 GND
0 GND
0 GND
Glue chip 4
TYPE
STRAP (pin 54)
PIN(S)
3.3 V input signal
3.3 V input signal with internal pull-up
5 V input signal
5 V input signal with internal pull-up
5 V input signal with internal pull-down
Power (input)
Ground (input)
3.3 V output signal
5 V output signal
3.3 V open-drain output signal
5 v open-drain output signal
Analog output
Analog input
3.3 V input/output open-drain
5 V input/output open-drain
Input voltage levels referenced to V
3I
5O
5O
AI
3IV/3O
5I
5V OD
1
FLUSH
FLUSH
FLUSH
FLUSH
FLUSH
GP
GP
GP
GP
GP
VSYNC_3V
HSYNC_5V
VSYNC_5V
V
STRAP
GP3_IN
GP3_OUT
CCP
DESCRIPTION
_VREF
MODE
1
SYMBOL
CCP
_VREF
GPO_FLUSH_CACHE (4)
A20M (5)
INIT (6)
FLUSH_OUT_CPU (7)
INIT_OUT (8)
GP2_IN (4)
GP1_INB (5)
GP1_INA (6)
GP1_OUT (7)
GP2_OUT (8)
4
VSYNCH input from chipset video
HSYNCH output to monitor
VSYNCH output to monitor
Analog voltage reference for determining INIT/A20M input thresh-
olds
Strapping option for GP or FLUSH mode (internal pull-up resistor)
Note 1
Generic logic gate 3 input
Generic logic gate 3 output
PIN NAME & (PIN NUMBER)
FUNCTION
PCA9504A
Product data