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TMP86FS28DFG Datasheet(PDF) 232 Page - Toshiba Semiconductor

No. de pieza TMP86FS28DFG
Descripción Electrónicos  8 Bit Microcontroller
PDF  272 Pages
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Fabricante Electrónico  TOSHIBA [Toshiba Semiconductor]
Página de inicio  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMP86FS28DFG Datasheet(HTML) 232 Page - Toshiba Semiconductor

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18. Serial PROM Mode
18.3 Serial PROM Mode Setting
TMP86FS28DFG
18.3 Serial PROM Mode Setting
18.3.1 Serial PROM Mode Control Pins
To execute on-board programming, activate the serial PROM mode. Table 18-2 shows pin setting to activate
the serial PROM mode.
Note: The BOOT pin is shared with the UART communication pin (RXD1 pin) in the serial PROM mode. This pin is used as UART
communication pin after activating serial PROM mode
18.3.2 Pin Function
In the serial PROM mode, TXD1 (P35) and RXD1 (P34) are used as a serial interface pin.
Note 1: During on-board programming with other parts mounted on a user board, be careful no to affect these communication
control pins.
Note 2: Operating range of high frequency in serial PROM mode is 2 MHz to 16 MHz.
Table 18-2 Serial PROM Mode Setting
Pin
Setting
TEST pin
High
BOOT/RXD1 pin
High
RESET
pin
Table 18-3 Pin Function in the Serial PROM Mode
Pin Name
(Serial PROM Mode)
Input/
Output
Function
Pin Name
(MCU Mode)
TXD1
Output
Serial data output
(Note 1)
P35
BOOT/RXD1
Input/Input
Serial PROM mode control/Serial data input
P34
RESET
Input
Serial PROM mode control
RESET
TEST
Input
Fixed to high
TEST
VDD, AVDD
Power
supply
4.5 to 5.5 V
VSS, AVSS
Power
supply
0 V
VAREF
Power
supply
Leave open or apply input reference voltage.
I/O ports except
P35, P34
I/O
These ports are in the high-impedance state in the serial PROM mode. The input level is fixed to
the port inputs with a hardware feature to prevent overlap current. (The port inputs are invalid.)
COM3 to COM0
Output
Low output in the serial PROM mode
C0,C1,V3 to V1
-
Connect to a capacitor (resistance), or leave open.
XIN
Input
Self-oscillate with an oscillator.
(Note 2)
XOUT
Output



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