tmp88ps42ng TOSHIBA Semiconductor CORPORATION, tmp88ps42ng Datasheet - Page 215

• Manufacturer Part Number: tmp88ps42ng
• Description: 8 Bit Microcontroller Tlcs-870/x Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

19. Input/Output Circuitry
19.1 Control pins
Control Pin
RESET
XOUT
TEST
XIN
The input/output circuitries of the TMP88PS42NG control pins are shown below.
Note: The TEST pin of TMP88PS42 does not have a pull-down resistor (R
Fix the TEST pin at “L” level in MCU mode.
Output
Input
Input
Input
I/O
Osc. enable
VDD
Input/Output Circuitry
XIN
Page 205
IN
VDD
R f
XOUT
R
O
VDD
IN
fc
) and protect diode (D1).
High-frequency resonator connecting
pins
Hysteresis input
Pull-up resistor included
Without pull-down resistor
Fix the TEST pin at “L” level in MCU
mode.
R
R
R
f
O
IN
= 1.2 MΩ (typ.)
= 0.5 kΩ (typ.)
= 220 kΩ (typ.)
Remark
TMP88PS42NG