ACE1502VN14 Fairchild Semiconductor, ACE1502VN14 Datasheet - Page 24
![IC MCU 2KBIT EEPROM HBC 14DIP](/photos/6/57/65733/261-14-dip_sml.jpg)
ACE1502VN14
Manufacturer Part Number
ACE1502VN14
Description
IC MCU 2KBIT EEPROM HBC 14DIP
Manufacturer
Fairchild Semiconductor
Series
ACEX® 15xxr
Datasheet
1.ACE1502EN14.pdf
(33 pages)
Specifications of ACE1502VN14
Core Processor
ACE1502
Core Size
8-Bit
Speed
25MHz
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
8
Program Memory Size
2KB (2K x 8)
Program Memory Type
EEPROM
Eeprom Size
64 x 8
Ram Size
64 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
14-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Connectivity
-
Other names
ACE1502VN14_NL
ACE1502VN14_NL
ACE1502VN14_NL
ACE1502 Product Family Rev. 1.7
Figure 30. Programming Protocol
13. During in-circuit programming, G5 must be either not connected or driven high.
Figure 31. Serial Data Timing
11. Brown-out/Low Battery Detect Circuit
The Brown-out Reset (BOR) and Low Battery Detect (LBD)
circuits on the ACEx microcontroller have been designed to
offer two types of voltage reference comparators. The sections
below will describe the functionality of both circuits.
Figure 32. BOR/LBD Block Diagram
SHIFT_OUT (G2)
SHIFT_OUT (G2)
SHIFT_OUT (G2)
SHIFT_IN (G4)
(in write mode)
(in read mode)
CLOCK (G1)
SHIFT_IN (G4)
LOAD (G3)
CLOCK (G1)
RESET
VCC
Vcc
G4
BL[4]
1
7
1
10-bit Opcode = 0x34B
0
t
1
T
DIS
reset
Adjust Reference Voltage
BL[3]
0
6
0
1
Valid
t
ACCESS
t
0
DOS
t
HI
BL[2]
1
t
0
1
DIH
5
S
1
A: start of programming cycle
A
Valid
13
bit 31
BL[1]
4
t
t
DOH
LO
BL[0]
bit 30
3
32 clock pulses
+1.8V
Vref
24
VSEL
2
+
_
bit 0
+
_
LBD
BOR
X
1
t
load1
t
load2
LBD
0
2nd clock pulse
BUSY low by
Register
Control
LBD
BUSY
to RESET logic
t
ready
READY
t
load3
www.fairchildsemi.com
t
load4
A
bit 31