參數(shù)資料
型號: S1C60N08F0A0100
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 31/145頁
文件大?。?/td> 1118K
代理商: S1C60N08F0A0100
II-8
EPSON
S1C60R08 TECHNICAL HARDWARE
CHAPTER 2: ROM EMULATOR/ROM EMULATOR PROGRAMMER
2.2 Configuration of ROM Emulator Programmer
The ROM emulator data is written through the Programmer. The Programmer supports data transmit/
receive communication with Serial EEPROM, interface data error check and system reset signal generation.
VSS
CPU
VDD
OTPRST
SDA
SCL
ERROUT
Error Detect
Circuit
OSC1
RESET
S1C60R08
System reset
Configuration
flag
CPU and
peripheral circuit
ROM
Emulator
4,096
×12
bits
EEPROM
Interface
Circuit
A2
A1
A0
Serial
EEPROM
Fig. 2.2.1 ROM emulator
Terminals
The Programmer uses the following input/output terminals.
SCL:
Serial EEPROM control clock output terminal
SDA:
Serial EEPROM data transmit/receive terminal
ERROUT:
Data check result output terminal
OTPRST:
Data re-loading start input terminal
2.3 Operation
The S1C60R08 has two operation modes,
Programming mode:
Load the data from the Serial EEPROM
Normal mode:
Work as if the mask ROM type
The following describes how to operate the S1C60R08.
1) Make an application software.
2) Convert the software to the Serial EEPROM format with winedg in the S1C60R08 package.
3) Write the program which is converted to the Serial EEPROM format to the Serial EEPROM.
4) Set up the S1C60R08, the Serial EEPROM and the other peripheral components on the user target
application. (The example is described in "CHAPTER 5 BASIC EXTERNAL CONNECTION
DIAGRAM".)
5) The application power on.
6) The S1C60R08 enters to the Programming mode, and starts data loading from the Serial EEPROM
to the built-in ROM emulator automatically.
In the loading, internal circuit is kept as system reset condition except the Programmer. And data
error checking is done at the same time.
7) If the data error happens, the ERROUT pin goes HIGH level and data loading is terminated.
8) If the data has loaded without any error, the S1C60R08 enters to the Normal mode automatically.
Then the CPU read the ROM emulator data as the instruction and start to run as if the mask ROM
type.
9) If you want to re-load the data, input a HIGH pulse to the OTPRST pin. Then the S1C60R08 enters
to Programming mode and starts re-loading.
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