STMPE2401TBR STMicroelectronics, STMPE2401TBR Datasheet - Page 38

• Manufacturer Part Number: STMPE2401TBR
• Description: IC I/O EXPANDER I2C 24B 36TFBGA
• Manufacturer: STMicroelectronics

Specifications of STMPE2401TBR

• Interface: I²C
• Number Of I /o: 24
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-TFBGA
• Includes: Keypad, POR, PWM
• For Use With: 497-6426 - BOARD EVAL BASED ON STMPE2401
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6133-2

PWM commands
Table 36. Instruction
1. Absolute Branch jumps to the absolute address (relative to address 0x0) using the value of step size. The Relative Branch
2.
38/55
Instruction
BRANCH
reserved
jumps in a backward manner relative to the current address location, ie. 1 means jump to the previous instruction location
and 0 means NOP.
RAMP
SMAX
Don’t care.
SMIN
TRIG
GTS
END
0
0
0
0
1
1
1
1
15
Prescale
0=16
1=512
x
x
0
01
10
11
00
(2)
(2)
14
Step Time
0 - 63
0 = immediate action
0
0
0
13 12
Loop Counter to
use
0 - 3
Interr
upt to
host
Wait for Trigger
on channel 0 – 2
Continues if all selected triggers
present.
Each bit signifies wait for the
corresponding channel.
RESERVED
11
Reset
instructi
on
counter
and
output
level to
zero
10
Loop Count
0 – 15
0 = forever
loop
RESERVED
9
Bit
8
Sign
0=step-
up
1=step-
down
0
1
0
7
Increment
1 – 126
127
127
0
0=absol
ute step
size
1=relativ
e step
size
Send Trigger
on channel 0 – 2
Continues if no Wait
for Trigger in this
instruction.
6
(1)
5
Step Size
0 – 63
4 3 2 1
(1)
x
(2)
0
Increment value
of 0 is not
allowed.
prescale = 16 :-
Consumes
[(step
time)
nt)] cycles
prescale = 512 :-
Consumes
[(32)
time)
nt)] cycles
Consumes 1
cycle
Consumes 1
cycle
Consumes 1
cycle
Consumes 1
cycle
Once the loop
count has been
reached, the
loop counter
resets.
Consumes 1
cycle
Consumes 1 or
more cycles
Reserved.
Timing in 2kHz
STMPE2401
(1)
(1)
(1)
(increme
(increme
(step