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PDF TMP86F807NG Data sheet ( Hoja de datos )
| Número de pieza | TMP86F807NG | |
| Descripción | 8-Bit Microcontroller | |
| Fabricantes | Toshiba Semiconductor | |
| Logotipo |  |
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TMP86F807
Pin Function
The TMP86F807 has MCU mode and serial PROM mode.
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(1) MCU mode
In the MCU mode, the TMP86F807 is a pin compatible with the TMP86C407/807 (Make sure
to fix the TEST pin to low level).
(2) Serial PROM mode
The serial PROM mode is set by fixing TEST pin, P10 and P11 at “high” respectively when
RESET pin is fixed “low”.
After release of reset, the built-in BOOT ROM program is activated and the built-in flash
memory is rewritten by serial I/F (UART).
Pin Name
(Serial PROM mode)
BOOT1/RXD
BOOT2/TXD
TEST
RESET
VDD
VSS
P07 to P00, P12, P22 to P20, P37 to
P30
XIN
XOUT
Input/
Output
Input/Input
Input/Output
Input
I/O
Power supply
Functions
Pin Name
(MCU mode)
Fix “High” during reset. This pin is used as
RXD pin after releasing reset.
P10
Fix “High” during reset. This pin is used as
TXD pin after releasing reset.
P11
Fix to “High”.
Reset signal input or an internal error reset output.
5V
0V
OPEN
Input
Output
Self oscillation with resonator (2 MHz, 4 MHz, 8 MHz, 16 MHz)
86F807-5
2007-08-07
5 Page 
TMP86F807
2.4 Interface Specifications for UART
www.DataSheetT4Uh.ecofmollowing shows the UART communication format used in serial PROM mode.
Before on-board programming can be executed, the communication format on the external
controller side must also be setup in the same way as for this product.
Note that although the default baud rate is 9,600 bps, it can be changed to other values as shown
in Table 2.4.1. The Table 2.4.2 shows an operating frequency and baud rate in serial PROM mode.
Except frequency which is not described in Table 2.4.2 can not use in serial PROM mode.
Baud rate (Default): 9,600 bps
Data length: 8 bits
Parity addition: None
Stop bit length: 1 bit
Table 2.4.1 Baud Rate Modification Data
Baud rate modification data
Baud rate (bps)
04H
76800
05H
62500
07H
38400
0AH
31250
18H
19200
28H
9600
Table 2.4.2 Operating Frequency and Baud Rate in Serial PROM Mode
Reference Baud
Rate (Baud)
Baud Rate
Modification Data
Reference
Frequency
(MHz)
2
4
8
16
76800
04H
(bps) (%)
–
–
–
76923
–
–
–
+0.16
62500
05H
(bps) (%)
–
–
62500
62500
–
–
0.00
0.00
38400
07H
31250
0AH
(bps) (%) (bps) (%)
–
–
38462
38462
–
–
+0.16
+0.16
–
31250
31250
31250
–
0.00
0.00
0.00
19200
18H
9600
28H
(bps) (%) (bps) (%)
–
19231
19231
19231
–
+0.16
+0.16
+0.16
9615
9615
9615
9615
+0.16
+0.16
+0.16
+0.16
Note: “Reference Frequency” shows the high-frequency area supported in serial PROM mode.
Except the above frequency can not be supported in serial PROM mode.
2.5 Command
There are five commands in serial PROM mode. After reset release, the TMP86F807 waits a
matching data (5AH).
Table 2.5.1 Command in Serial PROM Mode
Command Data
5AH
30H
60H
90H
C0H
Operation Mode
Setup
Flash memory writing
RAM loader
Flash memory SUM output
Product discrimination code output
Remarks
Matching data. Always start with this command after reset release.
Writing to area from E000H to FFFFH is enable.
Writing to area from 0050H to 0130H is enable.
The checksum of entire flash memory area (from E000H to FFFFH)
is output in order of the upper byte and the lower byte.
Product discrimination code, that is expressed by 13 bytes data, is
output.
86F807-11
2007-08-07
11 Page | ||
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