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APPENDIX A FUNCTIONS OF THE µPD75008, µPD750008, AND µPD75P0016
Item
Program memory
Data memory
CPU
Oscillation settling time
When selecting the main
system clock
When selecting the subsys-
tem clock
20 (CU)
38 (GB)
24 (CU)
42 (GB)
6 - 9 (CU)
23-26 (GB)
SBS register
Stack area
Stack operation for a
subroutine call instruction
BRA !addr1
CALLA !addr1
MOVT XA, @BCDE
MOVT XA, @BCXA
BR BCDE
BR BCXA
CALL !addr
CALLF !faddr
µPD75008
Masked ROM
0000H - 1F7FH
(8064 x 8 bits)
75X standard CPU
75XL CPU
(equivalent to the 75X high-end CPU)
31.3 ms
2
able by a mask option)
0.95, 1.91, 15.3 µs
• 0.95, 1.91, 3.81, 15.3 µs (when operating at 4.19
(when operating at
4.19 MHz)
• 0.67, 1.33, 2.67, 10.7 µs (when operating at 6.0 MHz)
122 µs (when operating at 32.768 kHz)
NC
IC
P21
P21/PTO1
P33 - P30
Not provided
Provided SBS.3 = 1 : Mk I mode selection
000H - 0FFH
n00H - nFFH (n = 0, 1)
2-byte stack
Mk I mode: 2-byte stack
Mk II mode: 3-byte stack
Not available
Mk I mode: Not available
Mk II mode: Available
Available
3 machine cycles
Mk I mode: 3 machine cycles, Mk II mode: 4
machine cycles
2 machine cycles
Mk I mode: 2 machine cycles, Mk II mode: 3
machine cycles
µPD750008
Masked ROM
0000H - 1FFFH
(8192 x 8 bits)
000H - 1FFH
(512 x 4 bits)
15
17
/f
, 2
/f
(select-
Fixed to 2
X
X
MHz)
V
PP
P33/MD3 - P30/MD0
SBS.3 = 0 : Mk II mode selection
(1/2)
µPD75P0016
One-time PROM
0000H - 3FFFH
(16384 x 8 bits)
15
/f
X
A
299
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