KS57C2308/P2308/C2316/P2316
KS57P2308/P2316 OTP
16-3
Table 16-1. Pin Descriptions Used to Read/Write the EPROM
Main Chip
During Programming
Pin Name
Pin Name
Pin No.
I/O
Function
V
LC1
SDAT
10
I/O
Serial data pin. Output port when reading and
input port when writing can be assigned as
Input/push-pull output port respectively.
V
LC2
SCLK
11
I/O
Serial clock pin. Input only pin.
TEST
V
PP
(TEST)
16
I
Power supply pin for EPROM cell writing
(indicates that OTP enters into the writing mode).
When 12.5 V is applied, OTP is in writing mode
and when 5 V is applied, OTP is in reading mode.
(Option)
RESET
RESET
19
I
Chip initialization
V
DD
/ V
SS
V
DD
/ V
SS
12/13
I
Logic power supply pin. V
DD
should be tied to +5
V during programming.
Table 16-2. Comparison of KS57P2308/P2316 and KS57C2308/C2316 Features
Characteristic
KS57P2308/P2316
KS57C2308/C2316
Program Memory
8 K/16 K-byte EPROM
8 K/16-Kbyte mask ROM
Operating Voltage (V
DD
)
1.8 V to 5.5 V
1.8 V to 5.5 V
OTP Programming Mode
V
DD
= 5 V, V
PP
(TEST) = 12.5 V
–
Pin Configuration
80 QFP
80 QFP
EPROM Programmability
User Program 1 time
Programmed at the factory
OPERATING MODE CHARACTERISTICS
When 12.5 V is supplied to the Vpp (TEST) pin of the KS57P2308/P2316, the EPROM programming mode is
entered. The operating mode (read, write, or read protection) is selected according to the input signals to the pins
listed in Table 16-3 below.
Table 16-3. Operating Mode Selection Criteria
V
DD
Vpp
(TEST)
REG/
MEM
Address
(A15-A0)
R/
W
Mode
5 V
5 V
0
0000H
1
EPROM read
12.5V
0
0000H
0
EPROM program
12.5V
0
0000H
1
EPROM verify
12.5V
1
0E3FH
0
EPROM read protection
NOTE:
"0" means low level; "1" means high level.
Summary of Contents for KS57C2308
Page 30: ...ADDRESS SPACES KS57C2308 P2308 C2316 P2316 2 22 NOTES ...
Page 168: ...SAM47 INSTRUCTION SET KS57C2308 P2308 C2316 P2316 5 94 NOTES ...
Page 170: ......
Page 206: ...POWER DOWN KS57C2308 P2308 C2316 P2316 8 8 NOTES ...
Page 210: ...RESET KS57C2308 P2308 C2316 P2316 9 4 NOTES ...
Page 222: ...I O PORTS KS57C2308 P2308 C2316 P2316 10 12 NOTES ...
Page 272: ...LCD CONTROLLER DRIVER KS57C2308 P2308 C2316 P2316 12 24 NOTES ...
Page 280: ...SERIAL I O INTERFACE KS57C2308 P2308 C2316 P2316 13 8 NOTES ...
Page 294: ...MECHANICAL DATA KS57C2308 P2308 C2316 P2316 15 2 NOTES ...
Page 310: ...KS57P2308 P2316 OTP KS57C2308 P2308 C2316 P2316 16 16 NOTES ...
Page 318: ......
Page 320: ......
Page 322: ......
Page 325: ......
Page 327: ......