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Rev.2.00 Nov 28, 2005 page 36 of 378
REJ09B0124-0200
M16C/6N Group (M16C/6NK, M16C/6NM) 5. Reset
Under development
This document is under development and its contents are subject to change.
Figure 5.2 Reset Sequence
____________
Table 5.1 Pin Status When RESET Pin Level is “L”
td(P-R) More than
20 cycles
are needed
BCLK
Address
Address
s
XIN
RESET
RD
WR
CS0
RD
WR
CS0
Content of reset vector
BCLK 28cycles
FFFFCh FFFFDh FFFFEh
Content of reset vector
FFFFCh FFFFEh
Content of reset vector
FFFFEh
FFFFCh
VCC
Single-chip
mode
Microprocessor
mode BYTE = H
(1)
Microprocessor
mode BYTE = L
(1)
Addres
NOTE:
1. Not available in T/V-ver.
P0 Input port Data input Data input
P1 Input port Data input Input port
P2, P3, P4_0 to P4_3 Input port Address output (undefined) Address output (undefined)
P4_4 Input port
______
CS0 output (“H” is output)
______
CS0 output (“H” is output)
P4_5 to P4_7 Input port Input port (Pulled high) Input port (Pulled high)
P5_0 Input port
______
WR output (“H” is output)
______
WR output (“H” is output)
P5_1 Input port
________
BHE output (undefined)
________
BHE output (undefined)
P5_2 Input port
______
RD output (“H” is output)
______
RD output (“H” is output)
P5_3 Input port BCLK output BCLK output
P5_4 Input port
___________
HLDA output
___________
HLDA output
(The output value depends on (The output value depends on
__________
the input to the HOLD pin)
__________
the input to the HOLD pin)
P5_5 Input port
__________
HOLD input
__________
HOLD input
P5_6 Input port ALE output (“L” is output) ALE output (“L” is output)
P5_7 Input port
________
RDY input
________
RDY input
P6, P7, P8_0 to P8_4, Input port Input port Input port
P8_6, P8_7, P9, P10
P11, P12, P13, Input port Input port Input port
P14_0, P14_1
(2)
Pin Name
Status
CNVSS = VCC
(1)
BYTE = VSS BYTE = VCC
CNVSS = VSS
NOTES:
1. Shown here is the valid pin state when the internal power supply voltage has stabilized after power-on.
When CNVSS = VCC, the pin state is indeterminate until the internal power supply voltage stabilizes.
* CNVSS = VCC is not available in T/V-ver..
2. P11, P12, P13, P14_0 and P14_1 pins are only in the 128-pin version.