UPD78F0988AGC-8BS Renesas Electronics America, UPD78F0988AGC-8BS Datasheet - Page 311

• Manufacturer Part Number: UPD78F0988AGC-8BS
• Manufacturer: Renesas Electronics America

Specifications of UPD78F0988AGC-8BS

• Lead Free Status / Rohs Status: Supplier Unconfirmed

18.3.2 Communication mode
programmer and PD78F0988A.
3-wire serial I/O SIO ch-0
(SIO3)
3-wire serial I/O SIO ch-3
(SIO3) with
handshake
UART
(UART00)
Pseudo 3-wire
serial I/O
Communication
Use the communication mode shown in Table 18-4 to perform communication between the dedicated flash
Notes 1. Selection items for TYPE settings on the dedicated flash programmer (Flashpro III/Flashpro IV).
Mode
Note 3
2. The possible setting range differs depending on the voltage. For details, refer to CHAPTER 20
3. Serial transfer is executed by controlling the port with software.
4. Because factors other than the baud rate error, such as the signal waveform slew, also affect UART
ELECTRICAL SPECIFICATIONS (EXPANDED-SPECIFICATION PRODUCTS) and CHAPTER 21
ELECTRICAL SPECIFICATIONS (CONVENTIONAL PRODUCTS).
communication, thoroughly evaluate the slew as well as the baud rate error.
COMM PORT
(3-wired,
sync.)
+ handshake
UART ch-0
(Async.)
PORT A
(Pseudo-
3-wired)
RESET
V
PP
Figure 18-4. Communication Mode Selection Format
100 Hz to
1.25 MHz
Note 2
4,800 to
76,800 bps
Notes 2, 4
100 Hz to 1
kHz
10 V
SIO Clock
V
V
V
V
DD
DD
SS
SS
Note 2
Table 18-4. Communication Mode List
TYPE Setting
CHAPTER 18
User’s Manual U13029EJ7V1UD
Any
Any
Any
CPU CLOCK
Note 1
PD78F0988A
1 to 10 MHz
Note 2
1 to 10 MHz
Note 2
1 to 10 MHz
Note 2
Flash Clock
Flash memory write mode
V
PP
pulses
Multiple Rate
1.0
1.0
1.0
SI/P52
SO/P53
SCK/P51
SI/P52
SO/P53
SCK/P51
P50 (HS)
RxD00/P20
TxD00/P21
P24/TI50/TO50
(serial data input)
P25/TI51/TO51
(serial data output)
P26/TI52/TO52
(serial clock input)
Pins Used
Number of V
Pulses
12
0
3
8
309
PP