Internal Register Following Initialization; Test Pin (Test) - Epson E0C6001 Technical Manual

E0C6001 TECHNICAL HARDWARE
Internal register fol-
lowing initialization
Table 2.2.2
Initial values
I-10
An initial reset initializes the CPU as shown in the table
below.
Name
Program counter step
Program counter page
New page pointer
Stack pointer
Index register X
Index register Y
Register pointer
General register A
General register B
Interrupt flag
Decimal flag
Zero flag
Carry flag
RAM
Display memory
Other peripheral circuit
*1: See section 4.1, "Memory Map"
2.3

Test Pin (TEST)

This pin is used when IC is inspected for shipment.
During normal operation connect it to V
CPU Core
Signal
PCS
PCP
NPP
SP
X
Y
RP
A
B
I
D
Z
C
Peripheral Circuits
Name
Number of Bits Setting Value
8 00H
4
4
8 Undefined
8 Undefined
8 Undefined
4 Undefined
4 Undefined
4 Undefined
1
1
1 Undefined
1 Undefined
Number of Bits Setting Value
80 × 4
Undefined
20 × 4
Undefined
–
.
SS
1H
1H
0
0
*1