參數(shù)資料
型號： S1C6P466D0A0A00
元件分類： 微控制器/微處理器
英文描述： MICROCONTROLLER, UUC140
封裝： DIE-140
文件頁數(shù)： 9/174頁
文件大?。?/td> 1582K
代理商： S1C6P466D0A0A00
96
EPSON
S1C6P466 TECHNICAL MANUAL
CHAPTER 5: PROM PROGRAMMING AND OPERATING MODE
CHAPTER
5 PROM PROGRAMMING AND
OPERATING MODE
The S1C6P466 has built-in Flash EEPROMs as the code PROM and the data PROM that allow the
developer to program the PROM data using the exclusive PROM writer (Universal ROM Writer II
(S5U1C88000W1)). This chapter explains the PROM programmer that controls data writing and the
writing mode.
5.1 Configuration of PROM Programmer
The configuration of the PROM programmer is shown in Figure 5.1.1.
Serial interface
controller
Code
PROM
Programming
control circuit
Parallel interface
controller
VDDF
VSS
RXD
TXD
SCLK
CLKIN
Address
Data
Control signal
SPRG
Data
PROM
PROM programmer
PROM block
From/to
exclusive
PROM writer
Fig. 5.1.1 Configuration of PROM programmer
The PROM programmer supports the following two writing modes.
1) Serial Programming
2) Parallel Programming
Serial programming mode uses the serial communication ports of the PROM writer and S1C6P466 to
write data. This mode enables on-board programming by designing the target board with a serial writing
function. In parallel programming mode, the on-chip PROM can be directly programmed using the
exclusive PROM writer with the adaptor socket installed. Refer to Section 5.2, "Operating Mode", for each
programming method.
Terminals
The S1C6P466 provides the following terminals for programming the Flash EEPROM.
VDDF
Power supply (+) terminal for Flash EEPROM (The VDDF terminal should be connected to VDD.)
SPRG
Flash programming control terminal (pull-up resistor built-in)
When set to High ..... Normal operation mode (The CPU executes the program in the Flash
EEPROM.)
When set to Low ...... Programming mode (for writing data to the Flash EEPROM)
SCLK
Serial transfer clock input/output terminal for Serial Programming (pull-up resistor built-in)
RXD
Serial data input terminal for Serial Programming (pull-up resistor built-in)
TXD
Serial data output terminal for Serial Programming
CLKIN PROM programmer clock input terminal (1 MHz; pull-up resistor built-in)
RSTOUTTest signal monitor terminal (Not used when writing; keep it open)
VEPEXT Test signal monitor terminal (Not used when writing; keep it open)
The eight terminals above are provided exclusively for the Flash EEPROM. The S1C63454, S1C63458
and S1C63466 do not have these terminals.
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