MAX16048ACB+ Maxim Integrated Products, MAX16048ACB+ Datasheet - Page 55

• Manufacturer Part Number: MAX16048ACB+
• Description: IC EE-PROG SYS MGR 8CH 64-TQFP
• Manufacturer: Maxim Integrated Products
• Type: System Managerr

Specifications of MAX16048ACB+

• Number Of Voltages Monitored: 8
• Output: Open Drain, Push-Pull
• Reset: Active Low
• Reset Timeout: Adjustable/Selectable
• Voltage - Threshold: Adjustable/Selectable
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 64-TQFP Exposed Pad, 64-eTQFP, 64-HTQFP, 64-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

The MAX16046A/MAX16048A contain a JTAG port
that complies with a subset of the IEEE 1149.1 specifi-
cation. Either the I
used to access internal memory; however, only one
interface is allowed to run at a time. The MAX16046A/
MAX16048A do not support IEEE 1149.1 boundary-
Figure 13. JTAG Block Diagram
System Managers with Nonvolatile Fault Registers
TMS
TCK
TDI
R
PU
12-Channel/8-Channel EEPROM-Programmable
V
DB
______________________________________________________________________________________
2
C or the JTAG interface may be
JTAG Serial Interface
MEMORY ADDRESS REGISTER
MEMORY WRITE REGISTER
MEMORY READ REGISTER
IDENTIFICATION REGISTER
INSTRUCTION REGISTER
USER CODE REGISTER
TEST ACCESS PORT
[LENGTH = 5 BITS]
(TAP) CONTROLLER
[LENGTH = 32 BITS]
[LENGTH = 8 BITS]
[LENGTH = 8 BITS]
[LENGTH = 32 BITS]
[LENGTH = 8 BITS]
BYPASS REGISTER
[LENGTH = 1 BIT]
AND EEPROM
REGISTERS
scan functionality. The MAX16046A/MAX16048A con-
tain extra JTAG instructions and registers not included
in the JTAG specification that provide access to inter-
nal memory. The extra instructions include LOAD
ADDRESS, WRITE DATA, READ DATA, REBOOT,
SAVE, and USERCODE.
01100
01011
01010
01001
01000
00111
00110
00101
00100
00011
00000
11111
MUX 1
COMMAND
DECODER
MUX 2
01100
01011
01010
01001
01000
00111
RSTEEPADD
SETEEPADD
RSTEXTRAM
SETEXTRAM
SAVE
REBOOT
TDO
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