UPD78F9502MA-CAC-A NEC, UPD78F9502MA-CAC-A Datasheet - Page 117

• Manufacturer Part Number: UPD78F9502MA-CAC-A
• Description: 8BIT MCU, 4K FLASH, 128B RAM, SMD
• Manufacturer: NEC

Specifications of UPD78F9502MA-CAC-A

• Controller Family/series: UPD78F
• No. Of I/o's: 8
• Ram Memory Size: 128Byte
• Cpu Speed: 10MHz
• No. Of Timers: 2
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 4KB
• Oscillator Type: External, Internal

Notes 1.
Program counter (PC)
Stack pointer (SP)
Program status word (PSW)
RAM
Ports (P2 to P4) (output latches)
Port mode registers (PM2 to PM4)
Pull-up resistor option registers (PU2 to PU4)
Processor clock control register (PCC)
Preprocessor clock control register (PPCC)
Low-speed internal oscillation mode register (LSRCM)
8-bit timer H1
Watchdog timer
Reset function
Low-voltage detector
Interrupt
Flash memory
2.
Only the contents of PC are undefined while reset signal generation and while the oscillation stabilization
time elapses. The statuses of the other hardware units remain unchanged.
The status after reset is held in the standby mode.
Note 1
Table 10-1. Hardware Statuses After Reset Acknowledgment
Data memory
General-purpose registers
Compare registers (CMP01, CMP11)
Mode register 1 (TMHMD1)
Mode register (WDTM)
Enable register (WDTE)
Reset control flag register (RESF)
Low-voltage detection register (LVIM)
Low-voltage detection level select register (LVIS)
Request flag registers (IF0)
Mask flag registers (MK0)
External interrupt mode registers (INTM0)
Flash protect command register (PFCMD)
Flash status register (PFS)
Flash programming mode control register (FLPMC)
Flash programming command register (FLCMD)
Flash address pointer L (FLAPL)
Flash address pointer H (FLAPH)
Flash address pointer H compare register (FLAPHC)
Flash address pointer L compare register (FLAPLC)
Flash write buffer register (FLW)
Hardware
Preliminary User’s Manual U18681EJ1V0UD
CHAPTER 10 RESET FUNCTION
FFH
Contents of reset vector table (0000H
and 0001H) are set.
Undefined
02H
Undefined
Undefined
00H
00H
02H
02H
00H
00H
00H
67H
9AH
00H
00H
00H
00H
FFH
00H
Undefined
00H
Undefined
00H
Undefined
00H
00H
00H
Note3
Note3
Note3
Status After Reset
Note 2
Note 2
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