ZM7300G Series Digital Power Manager
Data Sheet
11
Pinout Table
Pin Name
Pin No.
Pin Type
Buffer Type
Pin Description
Notes
6, 25,
42, 57, 60
VDD
Supply
---
Positive Supply
8, 9, 26
38, 43, 58
VSS
SD
Supply
I/O
---
Ground
56
ST/OCPU
Sync-Data Line
OKA
OKB
OKC
OKD
11
13
20
53
I/O
ST/OCPU
OK Lines
FE_EN
CB
17
23
30
27
O
O
CMOS
CMOS
ST/OC
ST/OC
Front-End Enable
Crowbar Trigger
I2C Interface
SDA
SCL
I/O
I/O
I2C Interface
ADDR0
ADDR1
ADDR2
IN0_N
IN1_N
IN2_N
IN3_N
TCK
TMS
TDO
TDI
EN0
47
46
45
41
40
37
36
31
32
33
34
5
I
I
STPU
STPU
I2C Interface Address
Interrupts
Leave open, if JTAG
interface is not utilized
JTAG Interface
EN1
EN2
EN3
PG0
PG1
PG2
PG3
7
O
I
CMOS
STPU
Auxiliary Device Enables
Auxiliary Device Power Good
55
50
54
52
51
49
RES_N
ACFAIL_N
LCK_N
18
16
61
I
I
I
STPU
STPU
STPU
System Soft Reset
AC-Fail Trigger
Write Protect Lock
See important usage
instructions in
paragraph 10.6.4
HRES_N
IBVS
4
I
STPU
Cold Reset
Intermediate Bus Voltage
Sense
48
I
A
A
AREF
IR
44
63
-
Analog Reference
Internal Reset
Connect to VSS via 10k
Leave floating
1, 2, 3, 10, 12,
14, 15, 19, 21,
22, 24, 28, 29,
35, 39, 59, 62, 64
nc
-
-
No Connect
Legend: I=input, O=output, I/O=input/output, P=power, ST=Schmitt-trigger, OCPU=open collector with pull-up, OC=open collector,
CMOS=CMOS output stage, STPU=Schmitt-trigger with pull-up, A=analog
ZD-00896 Rev. 5.1, 13-Jul-10
www.power-one.com
Page 30 of 33
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