參數(shù)資料
型號(hào): VG509A
廠(chǎng)商: Electronic Theatre Controls, Inc.
英文描述: EPROM-Based 8-bit micro-controller
中文描述: 存儲(chǔ)器為基礎(chǔ)的8位微控制器
文件頁(yè)數(shù): 2/5頁(yè)
文件大?。?/td> 1368K
代理商: VG509A
VG509A
- 2 - Ver 1.2
5. Pin Function Description
Pin Name
I/O
Function Description
PB0, PB1, PB3~PB5
RTCC/PB2
/MCLR
OSC1
OSC2
Vdd
Vss
I/O
I/O
I
I
O
Port B, TTL input level
Real Time Clock/Counter, Schmitt Trigger input levels
Master Clear, Schmitt Trigger input levels
Oscillator Input
Oscillator Output
Power supply
Ground
6. Memory Map
(A) Register Map
Address
BANK0
00
01
02
03
04
06
07~1F
BANK1
30~3F
(1)IAR ( Indirect Address Register) : R0
(2) RTCC (Real Time Counter/Counter Register) : R1
(3) PC (Program Counter) : R2
Description
Indirect Addressing Register
RTCC
PC
STATUS
MSR
Port B
General purpose registers
General purpose registers
Write PC, CALL --- always 0
JUMP --- from instruction word
RTIW, RET --- from STACK
Write PC, JUMP, CALL --- from STATUS b5
RTIW, RET --- from STACK
Write PC --- from ALU
JUMP, CALL --- from instruction word
RTIW, RET --- from STACK
A9
A8
A7~A0
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