Diodes CS5519 - Manual (Page 11)

Data Sheet
Enhanced Multi-touch Capacitive Touch Screen Controller CS5519
Apr. 2013 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
11
Electrical Characteristics (Continued)
DA/AC Characteristics for 8051 CPU Core, Digital GPIO pins, Digital Peripherals, and
IOSC
T
A
=–40°C to 95°C, V
DD
=2.8V to 3.6V, unless otherwise noted.
Parameter Symbol Min Typ Max Unit Note
Power Supply Current
Normal Mode Supply Current
Using IOSC up to 48MHz
I
DD
, normal IOSC1 25 mA 2
Normal Mode Supply Current
Using IOSC=4MHz
I
DD
, normal IOSC2 2.9 mA 2
PMM Mode Supply Current Using
IOSC up to 48MHz
I
DD
, PMM IOSC1 6 mA 2
PMM Mode Supply Current Using
IOSC=4MHz
I
DD
, PMM IOSC2 1.5 mA 2
Idle Mode Supply Current Using
IOSC up to 48MHz
I
DD
, idle IOSC1 3 mA 2
Stop Mode Supply Current Using
IOSC Keeps Low
I
DD
, stop 3
A
2
Digital GPIO Characteristics
Input High Voltage V
IH
2 3.6 V 3
Input Low Voltage V
IL
-0.3 0.8 V 3
Output High Voltage V
OH
2.4 V 3
Output Low Voltage V
OL
0.4 V 3
High Level Output Current
@V
OH
(min)
I
OH
(2mA) 3.0 7.87 12.9 mA
I
OH
(4mA) 7.7 15.6 25.8 mA
Low Level Output Current
@V
OL
(max)
I
OL
(2mA) 3.4 5.4 7.4 mA
I
OL
(4mA) 6.7 10.7 14.7 mA
Input Pull Up Resistance R
PU
34 74 k

3
Input Pull Down Resistance R
PD
29 86 k

3
Input Low to High Level, RSTN V
IH
, RSTN 0.85 0.93 V 4
Input High to Low Level, RSTN V
IL
, RSTN 0.63 0.71 V 4
Output Rise Time t
RISE
5 ns 7
Output Fall Time t
FALL
5 ns 7
Internal 3.3V-to-1.8V LDO from AFE
Internal 1.8V Regulator Output V
DD18
, 15mA 1.6 1.8 2.0 V 5
Power On/Off Reset Level V
DD18
, Reset 80 85 90 % 6
Note 2: Does not include load current and tested under NOP loop and all peripheral disabled.
Note 3: For Digital I/O only.
Note 4: For RSTN pin only.
Note 5: Supply to internal digital and analog circuit only.
Note 6: This is measured as the percentage of steady state value of V
DD18
.
Note 7: This is measured with 20pF load and 20% to 80% output level.