zpsd211r STMicroelectronics, zpsd211r Datasheet - Page 13

• Manufacturer Part Number: zpsd211r
• Description: Low Cost Field Programmable Microcontroller Peripherals
• Manufacturer: STMicroelectronics

Programmable
Address
Decoder (PAD)
10
PSD211R Family
Figure 4. PAD Description
NOTES: 1. CSI is a power-down signal. When high, the PAD is in stand-by mode and all its outputs
WR or R/W
ALE or AS
A19
A18
A17
A16
A15
A14
A13
A12
A11
CSI
RESET
RD/E
2. RESET deselects all PAD output signals. See Tables 8A and 8B.
3. A18, A17, and A16 are internally multiplexed with CS10, CS9, and CS8, respectively.
become non-active. See Tables 7A and 7B.
Either A18 or CS10, A17 or CS9, and A16 or CS8 can be routed to the external pins of
Port C. Port C can be configured as either input or output.
ES0
ES1
ES2
ES3
ES4
ES5
ES6
ES7
CSIOPORT
8 EPROM BLOCK
SELECT LINES
CS0/PB0
CS1/PB1
CS2/PB2
CS3/PB3
CS4/PB4
CS5/PB5
CS6/PB6
CS7/PB7
CS8/PC0
CS9/PC1
CS10/PC2
I/O BASE ADDRESS
PAD
PAD
A
B