tmp88ch41ug TOSHIBA Semiconductor CORPORATION, tmp88ch41ug Datasheet - Page 198

• Manufacturer Part Number: tmp88ch41ug
• Description: 8 Bit Microcontroller Tlcs-870/x Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

19.3 Serial PROM Mode Setting
19. Serial PROM Mode
BOOT/RXD (Input)
19.3.4 Activating the Serial PROM Mode
VDD
TEST(Input)
RESET(Input)
PROGRAM
shows a serial PROM mode timing.
Note 2: When the reset control circuit on the application board effects activation of the serial PROM mode, isolate
Note 3: For connection of other pins, refer to " Table 19-3 Pin Function in the Serial PROM Mode ".
The following is a procedure to activate the serial PROM mode. " Figure 19-4 Serial PROM Mode Timing "
1. Supply power to the VDD pin.
2. Set the
3. Set the TEST pin and BOOT/RXD pins to high.
4. Wait until the power supply and clock oscillation stabilize.
5. Set the
6. Input the matching data (5AH) to the BOOT/RXD pin after setup sequence. For details of the setup
the pin by a jumper or switch.
timing, refer to " 19.16 UART Timing ".
RESET
RESET
Figure 19-4 Serial PROM Mode Timing
pin to low.
pin to high.
don't care
High level setting
Reset mode
Page 188
Setup time for serial PROM mode (Rxsup)
Serial PROM mode
Matching data
input
TMP88FH41UG