UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 765

• Manufacturer Part Number: UPD78F0537DGA(T)-9EV-A
• Description: 8BIT MCU, 128K FLASH, 7KB RAM, SMD
• Manufacturer: NEC

Specifications of UPD78F0537DGA(T)-9EV-A

• Controller Family/series: UPD78
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

3rd edition
Edition
Modification of Figure 22-2 Timing of Reset by RESET Input
Modification of Figure 22-3 Timing of Reset Due to Watchdog Timer Overflow
Modification of Figure 22-4 Timing of Reset in STOP Mode by RESET Input
Addition of clock output and buzzer output to items in Table 22-1 Operation
Statuses During Reset Period
Modification of table in Note of Table 22-2 Hardware Statuses After Reset
Acknowledgment (3/3)
Addition of description of 2.7 V/1.59 V POC mode to 23.1 Functions of Power-on-
Clear Circuit
Modification of 23.3 Operation of Power-on-Clear Circuit
Modification of Figure 23-3 Example of Software Processing After Reset
Release (1/2)
Modification of Figure 24-1 Block Diagram of Low-Voltage Detector
Modification of Figure 24-3 Format of Low-Voltage Detection Level Selection
Register (LVIS)
Addition of (2) In 2.7 V/1.59 V POC mode (option byte: POCMODE = 1) to Figure
24-5 Timing of Low-Voltage Detector Internal Reset Signal Generation (Detects
Level of Supply Voltage (V
Modification of (1) In 1.59 V POC mode (option byte: POCMODE = 0) in and
addition of (2) In 2.7 V/1.59 V POC mode (option byte: POCMODE = 1) to Figure
24-7 Timing of Low-Voltage Detector Interrupt Signal Generation (Detects
Level of Supply Voltage (V
Modification of Figure 24-8 Timing of Low-Voltage Detector Interrupt Signal
Generation (Detects Level of Input Voltage from External Input Pin (EXLVI))
Modification of Figure 24-9 Example of Software Processing After Reset
Release (1/2)
Modification of description in 25.1 Functions of Option Bytes
Modification of Note in and addition of setting of area 0081H/1081H to 0084H/1084H
to Figure 25-1 Format of Option Byte
Modification of description example of software for setting the option bytes
Addition of Caution to Figure 26-1 Format of Internal Memory Size Switching
Register (IMS)
Addition of Caution to Figure 26-2 Format of Internal Expansion RAM Size
Switching Register (IXS)
Modification of value of V
Memory Writing in 3-Wire Serial I/O (CSI10) Mode
Modification of value of V
Memory Writing in UART (UART6) Mode
Modification of transfer rate in (1) CSI10 and (2) UART6 in 26.5
Modification of transfer rate in Speed column of Table 26-7 Communication
Modes
DD
DD
in Figure 26-3 Example of Wiring Adapter for Flash
in Figure 26-4 Example of Wiring Adapter for Flash
DD
DD
APPENDIX E REVISION HISTORY
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User’s Manual U17260EJ6V0UD
Description
CHAPTER 22 RESET
FUNCTION
CHAPTER 23 POWER-
ON-CLEAR CIRCUIT
CHAPTER 24 LOW-
VOLTAGE DETECTOR
CHAPTER 25 OPTION
BYTE
CHAPTER 26 FLASH
MEMORY
Chapter
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