MAX7304 Maxim, MAX7304 Datasheet - Page 7

• Manufacturer Part Number: MAX7304
• Description: The MAX7304 consists of 16 port GPIOs, with 12 push-pull GPIOs and four open-drain GPIOs configurable as PWM-controlled LED drivers
• Manufacturer: Maxim

TQFN
18
19
20
21
22
24
—
PIN
SDA
SCL
AD0
INT
WLP
with High Level of Integrated ESD Protection
D2
D1
C2
C1
A1
E1
—
INTERFACE
 Maxim Integrated Products 7
TIMEOUT
BUS
I 2 C
MAX7304
PORT0
PORT1
PORT2
PORT3
PORT4
NAME
V
EP
CC
Level-Translating GPIO and LED Driver
OSCILLATOR
128kHz
REGISTERS
CONTROL
Positive Supply Voltage. Bypass to GND with a 0.1FF capacitor as close as possible to
the device.
GPIO Port 0. Push-pull I/O.
GPIO Port 1. Push-pull I/O.
GPIO Port 2. Push-pull I/O.
GPIO Port 3. Push-pull I/
GPIO Port 4. Push-pull I/O.
Exposed Pad (TQFN Only). Internally connected to GND. Connect to a large ground plane
to maximize thermal performance. Not intended as an electrical connection point.
FIFO
POR
LOGIC
LOGIC
PWM
I/O
O.
PWM SIGNAL
I/0 SUPPLY CONTROL
LED ENABLE
GPIO OUTPUT
GPIO OUTPUT
GPIO ENABLE
GPIO ENABLE
GPIO INPUT
GPIO INPUT
I
2
C-Interfaced 16-Port,
FUNCTION
Pin Description (continued)
OPEN-DRAIN
PUSH-PULL
GPIO/LED
DRIVERS
V
GPIO
CC
V
LA
Functional Diagram
12
4
MAX7304
PORT15–PORT12
PORT11–PORT10