tmp86fp24 TOSHIBA Semiconductor CORPORATION, tmp86fp24 Datasheet - Page 184

• Manufacturer Part Number: tmp86fp24
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

2.18.3.3
RESET
BOOT(Input)
Setup time for TEST pin
Initialization time for TEST pin
TEST(Input)
Time from reset release until acceptance of start bit of RXD
pin
RXD (Input)
PROGRAM
P11(Input)
(Input)
VDD
Activating Serial PROM Mode
serial PROM mode timing.
(1) Turn on the power to the VDD pin.
(2) Set the P11 pin, TEST pin and
(3) Set the BOOT pin (P23) and RXD pin (P05) to high level.
(4) Wait until the power supply and clock sufficiently stabilize.
(5) Set the TEST pin from low level to high level.
(6) Release the
(7) Input a matching data (5AH) to RXD pin after waiting for setup sequence.
Indeter-
minate
The following is a procedure of setting of serial PROM mode. Figure 2.18.3 shows a
Note 1: If Rstf is shorter than 512 / fc[s] due to using CMOS-type reset IC or Logic IC,
Note 2: fc; High-frequency clock
Parameter
Table 2.18.4 Serial PROM Mode Timing characteristics
Reset mode
Tsint (Initialization time for TEST pin)
VIH
the TEST pin can input the same pulse as the
be directly connected to the
to affect the pin’s input level, as the TEST pin and the
pull-down resistor and pull-up resistor built-in.
VIL
Tssup (Setup time for TEST pin)
Rstf > 512 / fc [s]
Rstf < 512 / fc [s]
Figure 2.18.3 Serial PROM Mode Timing
Rstf (Rising time of RESET pin)
VIH
RESET
Warm-up
PROM mode (Rxsup)
Setup time for Serial
(Set to high level).
86FP24-182
Serial PROM mode
Symbol
RXsup
Tssup
Tsint
RESET
Matching data
(5Ah) input
RESET
The Number of
pin to low level.
Clock (fc)
pin.) However, drive the pins carefully not
110000
Reset mode
-
-
-
For executing RESET again
Tssup
RESET
Rstf
Warm-up
at fc = 2 MHz
PROM mode (Rxsup)
Setup time for Serial
Required Minimum Time
55 ms
pin input. (TEST pin can
Serial PROM mode
0
1 ms
RESET
1ms
*Note1
at fc = 16 MHz
TMP86FP24
2007-08-24
6.9 ms
Matching data
(5Ah) input
pin have