CHAPTER 2 PIN FUNCTIONS
Table 2-3. Pin Operation Status in Operation Modes of V850ES/KG1
Operating Status
ResetNote 1
HALT Mode
IDLE Mode/
STOP Mode
Idle StateNote 2
Bus Hold
Pin
AD0 to AD15 (PDL0 to PDL15)
A0 to A15 (P90 to P915)
A16 to A21 (PDH0 to PDH5)
WAIT (PCM0)
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Operating
Operating
Operating
Operating
Operating
Operating
Operating
Operating
Operating
Operating
Operating
Hi-Z
Hi-Z
Hi-Z
–
Held
Hi-Z
Hi-Z
Held
Held
Hi-Z
–
–
CLKOUT (PCM1)
L
Operating
Operating
Hi-Z
CS0, CS1 (PCS0, PCS1)
WR0, WR1 (PCT0, PCT1)
RD (PCT4)
H
Held
H
H
Hi-Z
H
H
Hi-Z
ASTB (PCT6)
H
H
Hi-Z
HLDAK (PCM2)
H
H
L
HLDRQ (PCM3)
–
–
Operating
Notes 1. Since the bus control pin is also used as a port pin, it is initialized to the port mode (input) after reset.
2. The pin statuses in the idle state inserted after the T3 state in the multiplex mode and after the T2 state
in the separate mode are listed.
Remark Hi-Z: High impedance
H:
L:
–:
High-level output
Low-level output
Input without sampling (input acknowledgement not possible)
Table 2-4. Pin Operation Status in Operation Modes of V850ES/KJ1
Operating Status
ResetNote 1
HALT Mode
IDLE Mode/
STOP Mode
Idle StateNote 2
Bus Hold
Pin
AD0 to AD15 (PDL0 to PDL15)
A0 to A15 (P90 to P915)
A16 to A23 (PDH0 to PDH7)
WAIT (PCM0)
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Operating
Operating
Operating
Operating
Operating
Operating
Operating
Operating
Operating
Operating
Operating
Hi-Z
Hi-Z
Hi-Z
–
Held
Hi-Z
Hi-Z
Held
Held
Hi-Z
–
–
CLKOUT (PCM1)
L
Operating
Operating
Hi-Z
CS0 to CS3 (PCS0 to PCS3)
WR0, WR1 (PCT0, PCT1)
RD (PCT4)
H
Held
H
H
Hi-Z
H
H
Hi-Z
ASTB (PCT6)
H
H
Hi-Z
HLDAK (PCM2)
H
H
L
HLDRQ (PCM3)
–
–
Operating
Notes 1. Since the bus control pin is also used as a port pin, it is initialized to the port mode (input) after reset.
2. The pin statuses in the idle state inserted after the T3 state in the multiplex mode and after the T2 state
in the separate mode are listed.
Remark Hi-Z: High impedance
H:
L:
–:
High-level output
Low-level output
Input without sampling (input acknowledgement not possible)
User’s Manual U15862EJ3V0UD
65
NEC [ NEC ]
