ST92T163R4T1 STMicroelectronics, ST92T163R4T1 Datasheet - Page 91

• Manufacturer Part Number: ST92T163R4T1
• Description: Microcontrollers (MCU) OTP EPROM 20K USB/I2
• Manufacturer: STMicroelectronics

Specifications of ST92T163R4T1

• Data Bus Width: 8 bit, 16 bit
• Program Memory Type: EPROM
• Program Memory Size: 20 KB
• Data Ram Size: 2 KB
• Interface Type: I2C, SCI, USB
• Maximum Clock Frequency: 24 MHz
• Number Of Programmable I/os: 64
• Number Of Timers: 2
• Operating Supply Voltage: 4 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: TQFP-64
• Minimum Operating Temperature: 0 C
• On-chip Adc: 8 bit
• Lead Free Status / Rohs Status: No

EXTERNAL MEMORY SIGNALS (Cont’d)
Figure 50. Effects of DS2EN on the behavior of DS and DS2
n
(MC=1, READ)
(MC=1, WRITE)
(MC=1, WRITE)
(MC=1, READ)
AS (MC=0)
SYSTEM
CLOCK
(MC=0)
DS2
DS2
(MC=0)
DS2
DS
DS
DS2
DS2EN=0 OR (DS2EN=1 AND UPPER MEMORY ADDRESSED):
DS
DS
DS2EN=1 AND LOWER MEMORY ADDRESSED:
T1
NO WAIT CYCLE
ST92163 - EXTERNAL MEMORY INTERFACE (EXTMI)
T2
T1
1 DS WAIT CYCLE
DS STRETCH
T2
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