UPD784938 Datasheet, PDF (659/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

CHAPTER 26 RESET FUNCTION
Table 26-2. Hardware Status After Reset (1/2)
Program counter (PC)
Hardware
Stack pointer (SP)
Program status word (PSW)
On-chip RAM
Data memory
General-purpose registers
Ports
Ports 0, 1, 2, 3, 4, 5, 6, 7, 9, 10
Port mode registers
PM0, 1, 3, 4, 5, 6, 7, 9, 10
Port mode control registers (PMC1, PMC3, PMC10)
Pull-up resistor option register (PUOL, PUOH)
Real-time output port control register (RTPC)
Timer/counter
Timer counters (TM0, TM1W, TM2W, TM3W)
Compare registers (CR00, CR01, CR10LW, CR20W, CR30W)
Capture registers (CR02, CR12W, CR22W)
Capture/compare registers (CR11W, CR21W)
Timer control registers (TMC0, TMC1)
Timer output control register (TOC)
Capture/compare control registers
CRC0
CRC1, CRC2
Prescaler mode registers (PRM0, PRM1)
One-shot pulse output control register (OSPC)
PWM
PWM control register (PWMC)
PWM prescaler register (PWPR)
PWM modulo registers (PWM0, PWM1)
A/D converter
A/D converter mode register (ADM)
A/D conversion result register (ADCR)
A/D current cut select register (IEAD)
ROM correction
ROM correction address register H (CORAH)
ROM correction address register L (CORAL)
ROM correction control register (CORC)
Serial interface
Clocked serial interface mode registers (CSIM, CSIM1, CSIM2, CSIM3)
Serial shift registers (SIO, SIO1, SIO2, SIO3)
Asynchronous serial interface mode registers (ASIM, ASIM2)
Asynchronous serial interface status registers (ASIS, ASIS2)
Serial receive buffers (RXB, RXB2)
Serial transmit shift registers (TXS, TXS2)
Baud rate generator control registers (BRGC, BRGC2)
State After Reset
Set with contents of reset
vector table (0000H/0001H).
Undefined^Note
02H
Undefined^Note
Undefined (high impedance)
FFH
00H
00H
00H
0000H
Undefined
00H
10H
00H
00H
00H
05H
00H
Undefined
00H
Undefined
00H
00H
0000H
00H
00H
Undefined
00H
00H
Undefined
Undefined
00H
Note When HALT mode, STOP mode, or IDLE mode is released by RESET input, the value before that mode was set
is retained.
Preliminary User’s Manual U13987EJ1V0UM00
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