M16C26 Datasheet, PDF (20/239 Pages) Renesas Technology Corp – 16-BIT CMOS SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/20 SERIES

Udenvdeelropment
Preliminary Specifications Rev. 0.9
Specifications in this manual are tentative and subject to change.
Reset
M16C/26 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Table 1.5.1. Pin status at RESET for User / Boot operating modes
Pin name
P15 to P17
P60 to P63
P64
P65
P66
P67
P7
P80 to P83, P85
P86
P87
P90 to P93, P10
Status
User Mode (CNVSS = VSS)
Boot Mode (CNVSS = VCC)
Input port (high impedance) Data input (high impedance)
Input port (high impedance)
Input port (high impedance)
Data input (high impedance)
BUSY output
Input port (high impedance) SCLK input
Input port (high impedance)
RXD input
Input port (high impedance) TXD output
Input port (high impedance)
Input port (high impedance)
Input port (high impedance)
Input port (high impedance)
Input port (high impedance)
Data input (high impedance)
Data input (high impedance)
CE input
Data input (high impedance)
Data input (high impedance)
b15
000016
000016
000016
000016
000016
000016
000016
b0
Data register(R0)
Data register(R1)
Data register(R2)
Data register(R3)
Address register(A0)
Address register(A1)
Frame base register(FB)
b19
b0
0000016
Content of addresses FFFFE16 to FFFFC16
b15
b0
000016
000016
000016
b15
b0
000016
b15
b8 b7
b0
IPL
U I OB S Z D C
Interrupt table register(INTB)
Program counter(PC)
User stack pointer(USP)
Interrupt stack pointer(ISP)
Static base register(SB)
Flag register(FLG)
Figure 1.5.3. CPU register status after reset
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