ZPSD511B1C15J STMicroelectronics, ZPSD511B1C15J Datasheet - Page 62

• Manufacturer Part Number: ZPSD511B1C15J
• Manufacturer: STMicroelectronics

Specifications of ZPSD511B1C15J

• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Supplier Unconfirmed

Power
Management
Unit
(Cont.)
Figure 30. Power Management Unit
Figure 30a. Automatic Power Down Unit (APD) Flow Chart
APD ENABLE
PMMR0 - BIT 2
ALE POLARITY
PMMR0 - BIT 1
ALE
RESET
APD CLK
CLKIN
CSI
CSI = "1"
ALE IDLE and
15 APD CLOCK
• SET ENABLE APD IN PMMR0 BIT 2
• SET PMMR0 BIT 0
DISABLE CLOCKS
ZPLD ACLK, ZPLD RCLK, TMR ZPLD
PSD IN POWER DOWN MODE
CLEAR
LOGIC
SET ALE PD POLARITY
APD
IN PMMRO BIT 1
APD DISABLED
APD CLK
NO
NO
RESET
SLEEP
MODE
NEED
NEED
PMMR1 - BIT 0
APD CLK
MUX
YES
YES
SLEEP –ENABLE
PMMR1 - BIT 1
CLR
COUNTER
CLK
APD
PD
ALE IDLE and
15 APD CLOCK
• SET ENABLE APD IN PMMR0 BIT 2
• SET PMMR0 BIT 0
ZPLD ACLK, ZPLD RCLK, TMR ZPLD
SET SLEEP MODE IN PMMR1 BIT 1
DISABLE CLOCKS
SET APD CLK IN PMMR1 BIT 0
PSD IN SLEEP MODE
TO OTHER
CIRCUITS
POWER
DOWN
SLEEP
MODE
D
Z
P
L
PSD5XX Family
EPROM
SELECT
SRAM
SELECT
I/O
SELECT
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