UPD78F0138 NEC, UPD78F0138 Datasheet - Page 453

• Manufacturer Part Number: UPD78F0138
• Description: (UPD78xxxx) 8-Bit Single-Chip Microcontrollers
• Manufacturer: NEC

27.7.3 Selecting communication mode
V
programmer.
Notes 1. Selection items for Standard settings on Flashpro IV (TYPE settings on Flashpro III).
Caution When UART0 or UART6 is selected, the receive clock is calculated based on the reset command
Remark Items enclosed in parentheses in the setting item column are the set value and set item when they differ
3-wire serial I/O
(CSI10)
3-wire serial I/O with
handshake supported
(CSI10 + HS)
UART
(UART0)
UART
(UART6)
UART with
handshake supported
(UART0 + HS)
Communication Mode
PP
In the
The following table shows the relationship between the number of pulses and communication modes.
pin after the dedicated flash memory programming mode is entered. These V
2. The possible setting range differs depending on the voltage. For details, refer to the chapters of electrical
3. Because factors other than the baud rate error, such as the signal waveform slew, also affect UART
µ
sent from the dedicated flash programmer after the V
from those of Flashpro IV.
PD78F0134 and 78F0138, a communication mode is selected by inputting pulses (up to 11 pulses) to the
specifications.
communication, thoroughly evaluate the slew as well as the baud rate error.
(COMM PORT)
SIO-ch0
(SIO ch-0)
SIO-H/S
(SIO ch-3
+ handshake)
UART-ch0
(UART ch-0)
UART-ch1
(UART ch-1)
UART-ch3
(UART ch-3)
Port
200 k to 2 MHz
200 k to 2 MHz
4800 to 38400 bps
4800 to 76800 bps
4800 to 38400 bps
(SIO CLOCK)
Table 27-7. Communication Modes
Speed
CHAPTER 27
Note 2
Note 2
User’s Manual U16228EJ2V0UD
Standard (TYPE) Setting
Notes 2, 3
Notes 2, 3
Notes 2, 3
Optional
(CPU CLOCK)
On Target
PD78F0134, 78F0138
Note 1
PP
(Flashpro Clock)
2 M to 10 MHz
pulse has been received.
Frequency
PP
1.0
(Multiple Rate)
Multiply Rate
pulses are generated by the flash
SO10, SI10,
SCK10
SO10, SI10,
SCK10,
HS/P15
TxD0, RxD0
TxD6, RxD6
TxD0, RxD0,
HS/P15
Pins Used
0
3
8
9
11
Number
Pulses
of V
PP
453