tmp86c809ng TOSHIBA Semiconductor CORPORATION, tmp86c809ng Datasheet - Page 143

• Manufacturer Part Number: tmp86c809ng
• Description: 8 Bit Microcontroller Tlcs-870/c Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

14. Input/Output Circuitry
14.1 Control Pins
Control Pin
XTOUT
RESET
XOUT
TEST
XTIN
XIN
The input/output circuitries of the TMP86C809NG control pins are shown below.
Note: The TEST pin of TMP86FH09/F809/F409NG does not have a pull-down resistor and diode(D1). Fix the TEST pin at
Low level in MCU mode.
Output
Input
Input
Input
Input
I/O
Watchdog timer reset
System clock reset
Address trap reset
Osc.enable
Osc.enable
VDD
VDD
XTIN
Input/Output Circuitry
XIN
R
R
Page 133
IN
Rf
Rf
XTEN
XTOUT
XOUT
R
VDD
D
R
1
O
R
O
VDD
R
VDD
VDD
fc
IN
fs
Resonator connecting pins
Resonator connecting pins
Hysteresis input
Pull-up resistor
With Pull-down resistor
R
R
R
R
R
R = 100 Ω (typ.)
R
R = 100 Ω (typ.)
f
O
f
O
IN
IN
= 1.55 MΩ (typ.)
= 8 MΩ (typ.)
= 0.5 kΩ (typ.)
= 200 kΩ (typ.)
= 220 kΩ (typ.)
= 70 kΩ (typ.)
Remarks
TMP86C809NG