TMP92xy26AXBG Toshiba, TMP92xy26AXBG Datasheet - Page 580

• Manufacturer Part Number: TMP92xy26AXBG
• Manufacturer: Toshiba

Specifications of TMP92xy26AXBG

• Package: FPGA228
• Rom Types(m=mask,p=otp, F=flash,e=eeprom): Romless
• Rom Combinations: Romless
• Ram Combinations: 144/288
• Architecture: 32-bit CISC
• Usb/spi Channels: 1/1
• Uart/sio Channels: 2
• I2c/sio Bus Channels: 1
• (s)dram Controller: 1
• Adc 10-bit Channel: 6
• Da Converter: -
• Timer 8-bit Channel: 8
• Timer 16-bit Channel: 2
• Pwm 8-bit Channels: -
• Pwm 16-bit Channels: -
• Cs/wait Controller: 4
• Dual Clock: Y
• Number Of I/o Ports: 136
• Power Supply Voltage(v): 3.0 to 3.6

3.20 Touch Screen Interface (TSI)
3.20.1
PG3/AN3
P96/INT4
PG2/AN2
VREFH
VREFL
using an internal AD converter.
AVSS
(PX)
AVCC
(MX)
P97
(PY)
(MY)
An interface for 4-terminal resistor network touch-screen is built in.
The TSI easily supports two procedures: ouch detection and X/Y position measurement.
Each procedure is performed by setting the TSI control register (TSICR0 and TSICR1) and
Touch-Screen Interface Module Internal/External Connection
X+
Screen
Touch
Y-
Y+
Figure 3.20.2 Internal block diagram of TSI
Figure 3.20.1External connection of TSI
PXD (typ.50kΩ)
External Capacitors
SPY
X-
SMX
92CF26A-578
SPX
SMY
MY
MX
PY
PX
Dec.
TMP92CF26A
PXEN
PYEN
MXEN
MYEN
AN3
AN2
AVCC
AVSS
VREFH
VREFL
INT4
TSI7
Touch screen control
AD converter
TMP92CF26A
2009-06-25
PTST
INT4