ICM7170AIBG Intersil, ICM7170AIBG Datasheet - Page 6

• Manufacturer Part Number: ICM7170AIBG
• Manufacturer: Intersil

Specifications of ICM7170AIBG

• Bus Type: Multiplexed
• Date Format: Binary
• Time Format: Binary
• Operating Supply Voltage (typ): 2.5/3.3/5V
• Package Type: SOIC W
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 24
• Mounting: Surface Mount
• Lead Free Status / Rohs Status: Not Compliant

Pin Descriptions
WR
ALE
CS
A4-A0
OSC OUT
OSC IN
INT SOURCE
INTERRUPT
V
V
D0 - D7
V
RD
D5
A4
SS
BACKUP
DD
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
(GND)
n/a
D7
A3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
Normal Mode
Test Mode
TEST BIT
SIGNAL
A2
ADDRESS
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
A1
n/a
D6
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
D4
0
1
A0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
6
Interrupt disabled
Normal/Test
Interrupt enable
HEX
INTERRUPT
0C
0D
0A
0B
0E
00
01
02
03
04
05
06
07
08
09
PIN NUMBER
COMMAND REGISTER ADDRESS (10001b, 11h) WRITE-ONLY
Mode
ENABLE
D5
15 - 22
TABLE 2. COMMAND REGISTER BIT ASSIGNMENTS
4 - 8
10
11
12
13
14
23
24
Counter-1/100 seconds
Counter-hours
Counter-minutes
Counter-seconds
Counter-month
Counter-date
Counter-year
Counter-day of week
RAM-1/100 seconds
RAM-hours
RAM-minutes
RAM-seconds
RAM-month
RAM-date
RAM-year
2
3
9
1
TABLE 3. ADDRESS CODES AND FUNCTIONS
12 Hour Mode
12 Hour Mode
TABLE 1. COMMAND REGISTER FORMAT
FUNCTION
Interrupt
Enable
D3
0
1
D4
SOIC PIN NUMBER
ICM7170
RUN/STOP
Stop
Run
22 - 2
9 - 16
20
21
17
18
19
3
4
5
6
7
8
Run/Stop
D7
D3
M
M
M
M
M
M
†
†
-
-
-
-
-
-
-
-
-
D2
0
1
D6
M
M
-
-
-
-
-
-
-
-
-
-
-
Write Input
Address Latch Enable Input
Chip Select Input
Address Inputs
Oscillator Output
Oscillator Input
Interrupt Source
Interrupt Output
Digital Common
Battery Negative Side
Data I/O
Positive Digital Supply
Read Input
12-Hour Mode
24-Hour Mode
D5
24/12 HOUR
12/24 Hour
-
-
-
-
-
-
-
.
.
-
-
FORMAT
Format
D2
D4
-
-
-
-
-
.
.
DATA
D3
-
DESCRIPTION
D1
Frequency
0
0
1
1
D2
Crystal
D1
D0
0
1
0
1
D1
1.048576MHZ
2.097152MHz
4.194304MHz
FREQUENCY
D0
32.768kHz
CRYSTAL
Frequency
Crystal
D0
VALUE
0 - 99
0 - 23
1 - 12
0 - 59
0 - 59
1 - 12
1 - 31
0 - 99
0 - 99
0 - 23
1 - 12
0 - 59
0 - 59
1 - 12
1 - 31
0 - 99
0 - 6